D680 Series Proportional Control Valves with Integrated Electronics ISO 4401 Size 05 to 10
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- Nathan Hodge
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1 D68 Series roportional Control Valves with Integrated Electronics ISO 441 Size 5 to 1
2 GENERL D D SECION G E MOOG SERVO- ND ROORIONL CONROL V LV E S General 2 enefits and Functionality 3 General echnical Data and Symbols 4 Function, Electronic 5 echnical Data 8 Valve Electronics 28 Failsafe Version 32 Input Command Wiring Schematic 4 Ordering Information 41 For over 5 years Moog has manufactured pro p o rtional cont rol valves with integrated electronics. During this time, more than 2, valves have been delivered. hese servo- and pro p o rtional control valves have been pro v e n to provide reliable control for injection and blow molding equipment, die casting machines, presses, heavy industry equipment, paper, lumber processing, and other applications. R O O RIONL CONROL V LVES, D681 O D685 SERIES he D68 Series ro p o rtional Flow Control Valves are thro t t l e valves for 2-, 3-, 4- and 5-way applications. hese valves are suitable for electrohydraulic position, velocity, p re s s u re or force control systems, including those with high dynamic response re q u i re m e n t s. With the new D633 Series directly driven pilot valve (DDV), a f u rther important step has been made in the direction of ro b u s t- ness and energy saving. his linear force motor driven pilot valve is developed as a variant of the proven Moog DDV Series. he integrated electronics of the D68 series is also a new development featuring SMD technology, and re q u i res 24 V DC power supply. he valve series described in this catalog have successfully passed EMC tests re q u i red by EC Directive. lease refer to the respective re f e rences in the Electronics Section. N O I C E e f o re installation of the valve into the system, the complete hydraulic system must be flushed (according to ISO 672). lease read the notes in section entitled Electronics, page 6. Our Quality Management System conforms to DIN EN ISO 91. his catalog is for users with technical knowledge. o ensure that all necessary characteristics for function and safety are given, the user has to check the suitability of the products described h e rein. he products described herein are subject to change without notice. In case of doubt, please contact Moog Inc. ll trademarks as indicated herein are the pro p e rty of Moog Inc. and its subsidiaries. Moog Inc. 23. ll rights re s e rved. ll changes are re s e rved. For the most current information, visit w w w. m o o g. c o m / valveindex. Moog is re g i s t e red trademark of Moog Inc. and its subsidiaries. 2 MOOG D68 Series
3 ENEFIS ND FUNCIONLI D D O E R IONL FEURES OF HE DIREC DRIVE ILO V LVE direct drive pilot valve re q u i res no pilot leakage flow. his results in considerable energy savings, especially for systems with multiple valves. he dynamics of the direct drive valve is nearly independent of the operating pre s s u re. Reliable operation. he excellent pre s s u re gain of the pilot valve with spool / bushing, provides high spool driving forc e s to the long stroke main spool. his ensures enhanced main spool position control even with high flow forces and contaminated fluids. Excellent dynamics based on a high natural frequency allows high main spool position loop gain, resulting in extre m e l y good static and dynamic response of the main valve. O E R IONL FEURES OF HE COMLEE V LVE Valve body for high rated flow, optional with external pilot supply using and port s. Reduced spool drive area with D683 and D684 Series re s u l t s in the following advantages: - i m p roved dynamic re s p o n s e - reduction in pilot fluid flow for fast movements of the main spool. Failsafe versions available with defined safe spool position using a spring and a 4/2-way solenoid valve for control flow s h o rt circ u i t. he D68 series pro p o rtional control valves are of two-stage d e s i g n. y combining a fast first stage, suitable main spool drive are a and integrated electronics, an optimum pro p o rtional valve can be off e re d. DESCRIION OF HE DIREC DRIVE ILO V LV E he D633 Series pilot valve consists of a permanent magnet linear force motor, a drive rod connecting motor arm a t u re and the spool guided in a bushing. he linear force motor contains a coil, permanent magnets, pole pieces, an arm a t u re and a centering spring arr a n g e m e n t. he 4-way spool controls fluid flow from the pre s s u re port to one of the load ports, and also from the other load port to re t u rn. Deflection of the centering spring due to spool displacement, provides a re t u rn force for the arm a t u re. n electric current applied to the coil of the linear force motor p roduces an electromagnetic flux depending on the curre n t p o l a r i t y. his electromagnetic flux is superimposed on the permanent magnetic flux in the airgaps between arm a t u re and pole pieces. his results in a polarity dependent displacement of the arm a t u re against the centering spring force. he spool being connected to the arm a t u re by a rod shares the a rm a t u re motion. Flow forces acting on the spool due to the fluid flow through the valve, and friction forces between spool and bushing due to contaminated fluid, are overcome by the f o rce motor. he position of the spool is approximately prop o rtional to the coil curre n t. O E R ING RINCILE OF HE COMLEE V LVE he position control loop for the main stage spool, position transducer and pilot valve is closed by the integrated electro - n i c s. n electric command signal (flow rate set point) is applied to the integrated position controller which drives the current in the pilot valve coil. he position transducer (LVD) which is excited via an oscillat o r, measures the position of the main spool (actual value, position voltage). his signal is then demodulated and fed back to the controller where it is compared with the command signal. he controller drives the pilot valve until the error between command signal and feedback signal is zero. hus, the position of the main spool is pro p o rtional to the electric command signal. MOOG D68 Series 3
4 GENERL ECHNICL D D681-D685 ERFORMNCE SECIFICIONS FOR D681 O D685 Operating pressure range orts, and ort ilot pressure up to 35 bar (5 psi) see data of individual series min. 1 bar (15 psi) over or max. 35 bar (5 psi) emperature range mbient 2 C to +6 C (-4 F to +14 F) Fluid 2 C to +8 C (-4 F to +17 F) Seal material NR, FM, and others on request Operating fluid mineral oil based hydraulic fluid (DIN part 1 to 3) and ISO 11158, other fluids on request Viscosity recommended 15 to 45 mm 2 /s allowed 5 to 4 mm 2 /s System filtration ilot valve: high pressure filter (without bypass, but with dirt alarm) mounted in the main flow and if possible, directly upstream of the valve. Main stage: high pressure filter as for the pilot stage. In combination with a fast regulating variable displacement pump, an off-line filter is recommended. Class of cleanliness he cleanliness of the hydraulic fluid particularly effects the performance (spool positioning, high resolution) and wear (metering edges, pressure gain, leakage) of the valve. Recommended cleanliness class For normal operation ISO 446 < 18 / 15 / 12 For longer life ISO 446 < 17 / 14 / 11 Recommended filter rating For normal operation ß 1 75 (1 µm absolute) For longer life ß 6 75 ( 6 µm absolute) Installation options any position, fixed or movable Vibration 3 g, 3 axes Degree of protection EN6529: I 65, with mating connector mounted Shipping plate Delivered with an oil sealed shipping plate VLVE FLOW CLCULIONS he actual valve flow is dependent on the spool position and the pressure drop across the spool lands. t 1% command signal (i.e. +1 VDC = 1% valve opening), the valve flow at rated pressure drop p N = 5 bar (75 psi) per metering land is the rated flow Q N. For other than rated pressure drop, the valve flow changes at constant command signal according to the square root function for sharp edged orifices. he actual valve flow Q calculated in this way, should result in an average flow velocity in ports,, or of less than 3 m/s. Flow rate Q / l/min Q / l / min Q N / l / min p / bar p N / bar 15 l/min 1 l/min Rated pressure drop p N / bar = calculated flow = rated flow = actual valve pressure drop = rated valve pressure drop Valve pressure drop p / bar D D685-1 D684-5/N5 D683-3/N3 D682-2 D682-1 D681-8 D681-6 D681-3 Valve flow diagram Valve flow for maximum valve opening (1% command signal) as a function of the valve pressure drop. 4 MOOG D68 Series
5 FUNCION D681-D685 D681 Series 2-stage roportional Control Valve with D Series ilot Valve 2 Hydraulic symbol: Symbol shown with pilot pressure, electric supply enable signal on and zero command signal. D683/4... Series 2-stage roportional Control Valve with D Series ilot Valve Hydraulic symbol: Symbol shown with pilot pressure, without electric supply on enable signal off. Failsafe spool position. GENERL REQUIREMENS FOR VLVE ELECRONICS Supply 24 V DC, min. 18 V DC, max. 32 V DC Current consumption I max. at D68 2 m static 8 m dynamic External fuse per valve at D68 1. (slow) ll signal lines, also those of external transducers, shielded. Shielding connected radially to ( V), power supply side, and connected to the mating connector housing (EMV). EMV: Meets the requirements of emission: EN5511:1998+1:1999 (limit class: ) and immunity: EN61-6-2:1999 Minimum cross-section of all leads.75 mm 2 (WG 18). Consider voltage losses between cabinet and valve. Note: When making electric connections to the valve (shield, ), appropriate measures must be taken to ensure that locally different earth potentials do not result in excessive ground currents. lso see Moog echnical Note N 353. MOOG D68 Series 5
6 ELECRONICS D681-D685 VLVE ELECRONICS WIH SUL VOLGE 24 VOL ND 6+E OLE CONNECOR Command signal to ±1 m floating, Valves with current command input he spool stroke of the valve is proportional to I D = I E. 1% valve opening and is achieved at I D = +1 m. t m command, the spool is in centered position. he input pins D and E are inverting. Either pin D or E is used according to the required operating direction. he other pin is connected to signal ground at cabinet side. Command signal to ±1 V, Valves with voltage command input he spool stroke of the valve is proportional to (U D U E ). 1% valve opening and is achieved at (U D U E ) = +1 V. t V command, the spool is in centered position. he input stage is a differential amplifier. If only one command signal is available, pin D or E is connected to signal ground at cabinet side according to the required operating direction. ctual value 4 to 2 m he actual spool position value can be measured at pin F (see diagram on the top). his signal can be used for monitoring and fault detection purposes. he spool stroke range corresponds to 4 to 2 m. he centered position is at 12 m. 2 m corresponds to 1% valve opening and. Circuit diagram for measurement of actual value I F (position of main spool) for valves with 6 + E pole connector (signal M and ) R L = 4 to 2 m 5 V F Valve side l F U F Spool stroke range U F = 2 to 1 V Centred position 6V (Signal type D R L integrated on electronics) he position signal output 4 to 2 m allows to detect a cable break when I F = m. For failure detection purposes, it is advised to connect pin F of the mating connector and route this signal to the control cabinet. Note: Enable input With enable signal off, the main spool will move to a safe position. Spool position ± 3%. a) Defined centered position (Unbiased pilot valve). Function code 1 ) b) End position (iased pilot valve). Function code 1) 1) see type designation WIRING FOR VLVES WIH 6+E OLE CONNECOR o EN art 84, and mating connector (metal shell) with leading protective earth connection ( ). lso see input command wiring schematic, age 4 (see additional information in M 426 E spec.). C D E F E Function Supply Supply / Signal ground C Enabled Not enabled D Input rated command E (differential) F Output actual valve Spool position rotective earth Voltage command Current command 24 V DC (min. 18 V DC, max. 32 V DC) Static: I max.: 2 m Dynamic: I max.: 8 m ( V) U C > +8.5 V DC < +6.5 V DC I e = 2, m at 24 V DC, max. 32 V DC (see note above) = to ± 1 V Input command I D = I E: to ± 1 m = 1 kω (R e = 2 Ω) Inputs for U D- and U E- for both signal types limited to min. 15 V and max. +32 V I F = 4 to 2 m. t 12 m spool is in centred position. R L= 1 bis 5 Ω Signal code D: U F = 2 to 1 V. t 6 V spool is in centred position. R L = 5 Ω 1 Valve 2 Connector 3 Mating connector dditional information on command signal on page 4. 6 MOOG D68 Series
7 ELECRONICS D681-D685 VLVE ELECRONICS WIH SUL VOLGE 24 VOL ND 11+E OLE CONNECOR Command signal to ±1 m floating, Valves with current command input he spool stroke of the valve is proportional to I 4 = I 5. 1% valve opening and is achieved at I 4 = +1 m. t m command, the spool is in centered position. he input pins D and E are inverting. Either pin 4 or 5 is used according to the required operating direction. he other pin is connected to signal ground at cabinet side. Command signal to ±1 V, Valves with voltage command input he spool stroke of the valve is proportional to (U 4 U 5 ). 1% valve opening and is achieved at (U 4 U 5 ) = +1 V. t V command the spool is in centered position. he input stage is a differential amplifier. If only one command signal is available, pin 4 or 5 is connected to signal ground at cabinet side according to the required operating direction. ctual value 4 to 2 m he actual spool position value can be measured at pin 6 (see diagram on the top). his signal can be used for monitoring and fault detection purposes. he spool stroke range corresponds to 4 to 2 m. he centered position is at 12 m. 2 m corresponds to 1% valve opening and. Circuit diagram for measurement of actual value I 6 (position of main spool) for valves with 11 + E pole connector (signal M and ) l6 6 U 6 R L = 4 to 2 m 5 V 2 Valve side Spool stroke range U 6 = 2 to 1 V Centered position 6V (Signal type D R L integrated on electronics) he position signal output 4 to 2 m allows to detect a cable break when I 6 = m. For failure detection purposes, it is advised to connect pin 6 of the mating connector and route this signal to the control cabinet. Note: Enable input With enable signal off, the main spool will move to a safe position. Spool position ± 3%. a) Defined centered position (Unbiased pilot valve). Function code S or G b) End position (iased pilot valve). Function code H 1) 1) see type designation WIRING FOR VLVES WIH 6+E OLE CONNECOR o EN art 84, and mating connector (metal shell) with leading protective earth connection ( ). lso see input command wiring schematic, age 4 (see additional information in M 426 E spec.) Function 1 Supply 2 Supply / Signal ground 3 Enabled Not enabled 4 Input rated command 5 (differential) 6 Output actual value spool position 7 uxiliary signal Voltage command 24 V DC (min. 18 V DC, max. 32 V DC) U 3 2 > +8.5 V DC < +6.5 V DC = to ± 1 V = 1 kω ( V) Current command Static: Dynamic: I max. : 2 m I max.: 8 m I e = 2. m at 24 V DC, max. 32 V DC (see note above) Input command I 4 = I 5 : to ± 1 m (R e = 2 Ω) Inputs U 4-2 and U 5-2 for both signal types limited to min. 15 V and max. +32 V I 6 2 = 4 to 2 m. t 12 m spool is in centered position. R L= 1 bis 5 Ω Signal code D: U 6 2 L = 5 Ω L = 5 kω 8 Valve ready 9 Not used 1 Not used 11 Nominal - actual valve osition error, logic rotective earth < +6.5 V DC: Not enabled or supply not ok U 11 2 > +8.5 V DC: < +3% deviation U 11 2 < +6.5 V DC: > +3% deviation Output I max.: : 2 m Output I max. : 2 m 1 Valve 2 Connector 3 Mating connector dditional information on command signal on page 4. MOOG D68 Series 7
8 ECHNICL D D681 Model... ype Mounting pattern Valve version ilot valve Series ilot connection Mass Rated flow Operating pressure max. Response time* hreshold* Hysteresis* Null shift* Null leakage flow* Null leakage flow* ilot flow* Main spool stroke Spool drive area ISO, with additional 2 nd port O N at p N = 7 bar (121 psi) D (8 N) [355 lbs] (± 1%) at p N = 5 bar per land orts,,, and with external ort with external orts with internal and external (pressure peaks 21 bar (35 psi)) with = 55 K total max. (~ critical lap) pilot stage only, max. max., for 1% step input D H.UO/W ISO way, 2x2-way, 5-way 2-stage, standard spool O/W (spring centered) l/min (gpm) 3.5 (.92) Standard and kg (lb) O = 6.8 (15) / W = 8. (17.6) l/min (gpm) 3 / 6 / 8 (7.9 / 15.9 / 21.1) bar (psi) 35 (58) bar (psi) 25 (357) bar (psi) 7 (12) ms 11 % <.3 % <.2 % < 1.5 l/min (gpm) 2.2 (.57) l/min (gpm).4 (.1) l/min (gpm) 6. (1.58) mm (in) ± 3. (.12) cm 2 (in 2 ) 2. (.31) D H.UF F (Spring ) 3.7 (.98) biased and 6.8 (15) 3 / 6 / 8 (7.9 / / 21.1) 35 (58) 25 (357) 7 (12) 11 <.3 <.2 < (.57).4 (.1) 6.5 (1.71) ± 3. (.12) 2. (.31) * t 21 bar (35 psi) pilot or operating pressure, fluid viscosity of 32 mm 2 /s (1.26 in 2 /s) and fluid temperature of 4 C (14 F). optional and external optional and external optional and external optional and external " 2 " replace port pattern " 2 " not conforming to ISO way version no failsafe position 4-way version failsafe position 2x2-way version failsafe centered position Valve type "" 5-way version failsafe position 8 MOOG D68 Series
9 ECHNICL D D681 ypical characteristic curves at 21 bar pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C Flow vs. signal curves at p N = 5 bar (75 psi) per land Flow rate / l/min With Q N 6l/min a non standard 2 nd return port 2 is required with l/min = 2.6 gpm 2 l/min = 5.3 gpm 3 l/min = 7.9 gpm 4 l/min = 1.6 gpm 5 l/min = 13.2 gpm 6 l/min = 15.9 gpm 7 l/min = 18.5 gpm 8 l/min = 21.1 gpm 9 l/min = 23.8 gpm 1 l/min = 26.4 gpm 21 bar = 35 psi 4 C = 14 F Signal / % Spool version : ~critical lap, linear characteristic (8) Spool version D: 1 % overlap, linear characteristic Spool version : ~critical lap, curvilinear characteristic (8) Step response D H.UO/W Step response D H.UF Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi ime / ms Frequency response D H.UO/W ime / ms Frequency response D H.UF mplitude ratio / d % 25% 1% hase lag / degree mplitude ratio / d % 25% 1% 1% hase lag / degree Frequency / Hz Frequency / Hz MOOG D68 Series 9
10 ECHNICL D (mm) D681 INSLLION DRWING (mm) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! End cap for spring centering 4-way version E (6+E) (85) Mating connector Headromm for disconnecting M5 Ø15.7 (6x) 42 Ø18.7 Ø6.4 M5 Ø he mounting manifold must conform to ISO ttention: Notice O-ring recess dia of and ports. For valves in 4-way version with Q N > 6 l/min and in 2x2-way version, the non standard 2 nd return port 2 must be used. With 5-way version type 8..., replace 2 to 2. For maximum flow, the manifold ports,, and are required to have 11.5 mm dia (deviation from standard). Mounting surface needs to be flat within.1 mm over a distance of 1 mm. verage surface finish value, Ra, better than.8 µm. O-ring recess dia on valve body O-ring recess dia on valve body 2 only with 5-way version typ 8... mm x y 2 Ø11.5 Ø11.5 Ø11.5 Ø11.5 Ø Ø Ø F 1 M6 F 2 M6 54 F 3 M F 4 M6 46 Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,, 2,,, 6 pieces ID 12.4 x Ø for 1 piece ID 15.6 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN art 84 min. Ø 1 mm, max. Ø 12 mm 11+E-pole EN art 84 min. Ø 11 mm, max. Ø 13 mm Flushing plates for,,,, 2,, for,, 2,, for,, 2, and, Mounting manifolds see special data sheet Mounting bolts (not included in delivery) required torque required M 6 x 4 DIN EN ISO Nm 4 pieces Service Seal Kit N681-1 V MOOG D68 Series
11 ECHNICL D (inch) D681 INSLLION DRWING (inch) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! End cap for spring centering 4-way version E (6+E) (3.35) 3.15 Mating connector Headromm for disconnecting M5 Ø.62 (6x) 1.65 Ø.74 Ø.25 M5 Ø he mounting manifold must conform to ISO ttention: Notice O-ring recess dia of and ports. For valves in 4-way version with Q N > 15.9 gpm and in 2x2-way version, the non standard 2 nd return port 2 must be used. With 5-way version type 8..., replace 2 to 2. For maximum flow, the manifold ports,, and are required to have.45 inch dia (deviation from standard). Mounting surface needs to be flat within.4 inch over a distance of 3.94 inch. verage surface finish value, Ra, better than 32 micro inch. O-ring recess dia on valve body O-ring recess dia on valve body 2 only with 5-way version typ 8... inch x y Ø.45 Ø.45 Ø.45 Ø Ø Ø.25 Ø F 1 M6 F 2 M F 3 M F 4 M Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,, 2,,, 6 pieces ID.492 x Ø for 1 piece ID.614 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN art 84 min. Ø.39 in, max. Ø.47 in 11+E-pole EN art 84 min. Ø.43 in, max. Ø.51 in Flushing plates for,,,, 2,, for,, 2,, for,, 2, and, Mounting manifolds see special data sheet Mounting bolts (not included in delivery) required torque required M 6 x 1.6 DIN EN ISO ft/lbs 4 pieces Service Seal Kit N681-1 V681-1 MOOG D68 Series 11
12 ECHNICL D D682 Model... ype Mounting pattern Valve version ilot valve Series ilot connection Mass Rated flow Operating pressure max. Response time* hreshold* Hysteresis* Null shift* Null leakage flow* Null leakage flow* ilot flow* Main spool stroke Spool drive area Q N at p N = 7 bar (12 psi) D (8 N) [355 lbs] (± 1%) at p N = 5 bar per land orts,,, and with external orts with internal and external (pressure peaks 21 bar (35 psi) with = 55 K total max. (~ critical lap) pilot stage only, max. max., for 1% step input D H.UO/W ISO way, 2x2-way 2-stage, standard spool O/W (spring centered) l/min (gpm) 2 (5.3) Standard and kg (lb) O = 12 (26,5) / W = 13.4 (29.5) l/min (gpm) 15 / 25 (39.6 / 66.) bar (psi) 35 (58) bar 7 (12) ms 11 % <.2 % <.2 % < 1.2 l/min (gpm) 3. (.79) l/min (gpm).5 (.13) l/min (gpm) 25 (6.6) mm (in) ± 5. (.19) cm 2 (in 2 ) 5. (.78) D H.UF/D F/D (Spring / ) 15 (4.) biased and 12 (26.5) 15 / 25 (39.6 / 66.) 35 (58) 7 (12) 13 <.2 <.2 < (.79).5 (.13) 2 (5.3) ± 5. (.19) 5. (.78) * t 21 bar (35 psi) pilot or operating pressure, fluid viscosity of 32 mm 2 /s (1.26 in 2 /s) and fluid temperature of 4 C (14 F) optional and external optional and external and external necessary 4-way version no failsafe position 4-way version failsafe position 2x2-way version failsafe centered position by mechanical spool stop 12 MOOG D68 Series
13 ECHNICL D D682 ypical characteristic curves at 21 bar pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C Flow vs. signal curves at p N = 5 bar (75 psi) per land Flow rate / l/min l/min = 26.4 gpm 2 l/min = 52.8 gpm 3 l/min = 79.3 gpm 35 l/min = 92.5 gpm 4 l/min = 16. gpm 21 bar = 35 psi 4 C = 14 F Signal / % Spool version : ~critical lap, linear characteristic (8) Spool version D: 1 % overlap, linear characteristic Spool version : ~critical lap, curvilinear characteristic (8) Step response D H.UO/W Step response D H.UF/D Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi Stroke / % to 21 bar 7 bar 14 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi ime / ms Frequency response D H.UO/W ime / ms Frequency response D H.UF/D mplitude ratio / d % 25% mplitude ratio / d % 25% 1% % hase lag / degree -8 1% hase lag / degree Frequency / Hz Frequency / Hz MOOG D68 Series 13
14 ECHNICL D (mm) D682 INSLLION DRWING (mm) Headroom for disconneting Mating connector max E (6+E) 2 (85) Ø11 Ø6.6 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! 194 Ø Ø2 1.2 Ø26.5 Ø7 Ø11 5 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 2 mm dia (deviation from standard). Mounting surface needs to be flat within.1 mm over a distance of 1 mm. verage surface finish value, Ra, better than.8 µm. mm x y Ø Ø Ø Ø Ø Ø G 1 Ø G 2 Ø F 1 M1 F 2 M F 3 M F 4 M F 5 M F 6 M Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, 4 pieces ID x Ø for, 2 pieces ID 1.82 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø 1 mm, max. Ø 12 mm 11+E-pole EN17521 art 84 min. Ø 11 mm, max. Ø 13 mm Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 1 x 6 DIN EN ISO Nm 4 pieces M 6 x 55 DIN EN ISO Nm 2 pieces Service Seal Kit N6x2-16 V6x MOOG D68 Series
15 ECHNICL D (inch) D682 INSLLION DRWING (inch) Headroom for disconneting Mating connector max E (6+E).79 (3.35) Ø.43 Ø.26 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! 7.64 Ø, Ø.79.5 Ø1.4 Ø.28 Ø.43.2 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have.79 inch dia (deviation from standard). Mounting surface needs to be flat within.4 inch over a distance of 3.94 inch. verage surface finish value, Ra, better than 32 micro inch. inch x y G 1 G 2 F 1 Ø.79 Ø.79 Ø.79 Ø.79 Ø.25 Ø.25 Ø.16 Ø.16 M , F 2 M1 4. F 3 M F 4 M F 5 M F 6 M Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, 4 pieces ID.86 x Ø for, 2 pieces ID.43 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø.39 in, max. Ø.47 in 11+E-pole EN17521 art 84 min. Ø.43 in, max. Ø.51 in Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 1 x 2.4 DIN EN ISO ft/lbs 4 pieces M 6 x 2.2 DIN EN ISO ft/lbs 2 pieces Service Seal Kit N62-16 V62-16 MOOG D68 Series 15
16 ECHNICL D D683 Model... ype Mounting pattern Valve version ilot valve Series ilot connection Mass Rated flow Operating pressure max. Response time* hreshold* Hysteresis* Null shift* Null leakage flow* Null leakage flow* ilot flow* Main spool stroke Spool drive area Q N (±1%) at p N = 7 bar (12 psi) D (8 N) [355 lbs] (± 1%) at p N = 5 bar per land orts,,, and with external orts with internal and external (pressure peaks 21 bar (35 psi)) with = 55 K total max. (~ critical lap) pilot stage only, max. max., for 1% step input D683 - N..H.UO/W ISO way, 2x2-way 2-stage, stub shaft spool 1) O/W (spring centered) l/min (gpm) 2 (5.3) Standard and kg (lb) O = 2 (44.1) / W = 21.5 (47.4) l/min (gpm) 35 (92.5) bar (psi) 35 (58) bar (psi) 7 (12) ms 1 % <.2 % <.2 % < 1.2 l/min (gpm) 3.5 (.92) l/min (gpm).5 (.13) l/min (gpm) 2 (5.3) mm (in) ± 4.5 (.18) cm 2 (in 2 ) 4.9 (.75) D683 - N..H.UF/D F/D (spring / ) 15 (4.) biased und 2 (44.1) 35 (92.5) 35 (58) 7 (12) 13 <.2 <.2 < (.92).5 (.13) 16 (4.2) ± 4.5 (.18) 4.9 (.75) *) t 21 bar (35 psi) pilot or operating pressure, fluid viscosity of 32 mm 2 /s (1.26 in 2 /s) and fluid temperature of 4 C (14 F) 1) Option: D683-3 with standard spool optional and external optional and external and external necessary 4-way version no failsafe position 4-way version failsafe position 2x2-way version failsafe centered position by mechanical spool stop 16 MOOG D68 Series
17 ECHNICL D D683 ypical characteristic curves at 21 bar pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C Flow vs. signal curves at p N = 5 bar (75 psi) per land Flow rate / l/min 4 3 N3 1 l/min = 26.4 gpm 2 l/min = 52.8 gpm 3 l/min = 79.3 gpm 35 l/min = 92.5 gpm 4 l/min = 16. gpm 21 bar = 35 psi 4 C = 14 F Signal / % Spool version : ~critical lap, linear characteristic Spool version D: 1 % overlap, linear characteristic Spool version : ~critical lap, curvilinear characteristic Step response D683 - N..H.UO/W Step response D683 - N..H.UF/D Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi ime / ms Frequency response D683 - N..H.UO/W ime / ms Frequency response D683 - N..H.UF/D mplitude ratio / d % 25% 1% mplitude ratio / d % 25% 1% % Frequency / Hz hase lag / Grad % Frequency / Hz hase lag / Grad MOOG D68 Series 17
18 ECHNICL D (mm) D683 INSLLION DRWING (mm) Headroom for disconnecting Mating connector 11+E 63 2 (6+E) max. 125 (85) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! 217 Ø2 Ø Ø6.3 Ø6 Ø25 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 28 mm dia (deviation from standard). Mounting surface needs to be flat within.1 mm over a distance of 1 mm. verage surface finish value, Ra, better than.8 µm. mm x y Ø Ø Ø G 1 G 2 Ø28 Ø11.2 Ø11.2 Ø7.5 Ø F 1 F F F F F Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, : 4 pieces ID 34.6 x Ø for, : 2 pieces ID 2.29 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø 1 mm, max. Ø 12 mm 11+E-pole EN17521 art 84 min. Ø 11 mm, max. Ø 13 mm Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 12 x 75 DIN EN ISO Nm 6 pieces Service Seal Kit N64-25 V MOOG D68 Series
19 ECHNICL D (inch) D683 INSLLION DRWING (inch) Headroom for disconnecting Mating connector 11+E.79 max (6+E) (3.35) Ø.79 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! 8.54 Ø Ø.25 Ø.24 Ø.98 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 1.1 inch dia (deviation from standard). Mounting surface needs to be flat within.4 inch over a distance of 3.94 inch. verage surface finish value, Ra, better than 32 micro inch. inch x y Ø Ø Ø Ø Ø.44 Ø G 1 Ø G 2 Ø F 1 F F F F F Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, : 4 pieces ID 1.36 x Ø for, : 2 pieces ID.8 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø.39 in, max. Ø.47 in 11+E-pole EN17521 art 84 min. Ø.43 in, max. Ø.51 in Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 12 x 3. DIN EN ISO ft/lbs 6 pieces Service Seal Kit N64-25 V64-25 MOOG D68 Series 19
20 ECHNICL D D684 Model... ype Mounting pattern Valve version ilot valve Series ilot connection Mass Rated flow Operating pressure max. Response time* hreshold* Hysteresis* Null shift* Null leakage flow* Null leakage flow* ilot flow* Main spool stroke Spool drive area Q N at p N = 7 bar (12 psi) D (8 N) [355 lbs] (± 1%) at p N = 5 bar per land orts,,, and with external orts with internal and external (pressure peaks 21 bar (35 psi)) at = 55 K total max. (~ critical lap) pilot stage only, max. max., for 1% step input D684 - N..H.UO/W ISO way, 2x2-way 2-stage, stub shaft spool 1) O/W (spring centered) l/min (gpm) 2 (5.3) Standard and kg (lb) O = 2 (44.1) / W = 21.5 (47.4) l/min (gpm) 55 (145) bar (psi) 35 (58) bar (psi) 7 (12) ms 12 % <.2 % <.2 % < 1.2 l/min (gpm) 3.5 (.92) l/min (gpm).5 (.13) l/min (gpm) 2 (5.3) mm (in) ± 6. (.24) cm 2 (in 2 ) 4.9 (.75) D684 - N..H.UF/D F/D (spring / ) 15 (4.) biased und 2 (44.1) 55 (145) 35 (58) 7 (12) 16 <.2 <.2 < (.92).5 (.13) 16 (4.2) ± 6. (.24) 4.9 (.75) * t 21 bar (35 psi) pilot or operating pressure, fluid viscosity of 32 mm 2 /s (1.26 in 2 /s) and fluid temperature of 4 C (14 F) 1) Option: D684-5 with standard spool optional and external optional and external and external necessary 4-way version no failsafe position 4-way version failsafe position 2x2-way version failsafe centered position by mechanical spool stop 2 MOOG D68 Series
21 ECHNICL D D684 ypical characteristic curves at 21 bar pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C Flow vs. signal curves at p N = 5 bar per land Flow rate / l/min N5 1 l/min = 26.4 gpm 2 l/min = 52.8 gpm 3 l/min = 79.3 gpm 4 l/min = 16. gpm 5 l/min = 132. gpm 55 l/min = 145. gpm 58 l/min = 153. gpm 6 l/min = 159. gpm 21 bar = 35 psi 4 C = 14 F Signal / % Spool version : ~critical lap, linear characteristic Spool version D: 1 % overlap, linear characteristic Spool version : ~critical lap, curvilinear characteristic Step response D684 - N..H.UO/W Step response D684 - N..H.UF/D Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi Stroke / % to 21 bar 14 bar 7 bar 7 bar = 12 psi 14 bar = 23 psi 21 bar = 35 psi 28 bar = 46 psi ime / ms Frequency response D684 - N..H.UO/W ime / ms Frequency response D684 - N..H.UF/D mplitude ratio / d % 25% 1% hase lag / degrees mplitude ratio / d % 25% 1% 1% hase lag / Grad Frequency / Hz Frequency / Hz MOOG D68 Series 21
22 ECHNICL D (mm) D684 INSLLION DRWING (mm) Headroom for disconneting Mating connector 11+E 2 max. 125 (6+E) (85) 63 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø2 Ø Ø6.3 Ø6 Ø25 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 32 mm dia (deviation from standard). Mounting surface needs to be flat within.1 mm over a distance of 1 mm. verage surface finish value, Ra, better than.8 µm. mm x y Ø Ø Ø G 1 G 2 Ø32 Ø11.2 Ø11.2 Ø7.5 Ø F 1 F F F F F Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, : 4 pieces ID 34.6 x Ø for, : 2 pieces ID 2.29 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø 1 mm, max. Ø 12 mm 11+E-pole EN17521 art 84 min. Ø 11 mm, max. Ø 13 mm Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 12 x 75 DIN EN ISO Nm 6 pieces Service Seal Kit N64-25 V MOOG D68 Series
23 ECHNICL D (inch) D684 INSLLION DRWING (inch) Headroom for disconneting Mating connector 11+E max (6+E) (3.35) Ø.79 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø Ø.25 Ø.24 Ø.98 Ø Ø he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 1.26 mm dia (deviation from standard). Mounting surface needs to be flat within.4 inch over a distance of 3.94 inch. verage surface finish value, Ra, better than 32 micro inch. inch x y G 1 G 2 Ø1.26 Ø1.26 Ø1.26 Ø.44 Ø.44 Ø.44 Ø.3 Ø F 1 F F F F F Spare arts and ccessories O-rings (included in delivery) NR 85 Shore FM 85 Shore for,,, : 4 pieces ID 1.36 x Ø for, : 2 pieces ID.8 x Ø Mating connector, waterproof I65 (not included in delivery) for cable dia 6+E-pole EN17521 art 84 min. Ø.39 in, max. Ø.47 in 11+E-pole EN17521 art 84 min. Ø.43 in, max. Ø.51 in Flushing plate Mounting manifolds Mounting bolts (not included in delivery) required torque required M 12 x 3. DIN EN ISO ft/lbs 6 pieces Service Seal Kit N64-25 V64-25 MOOG D68 Series 23
24 ECHNICL D D685 Model... ype Mounting pattern Valve version D685-1H. ISO way, 2x2-way 2-stage, stub shaft spool D685-15H. ilot valve Series ilot connection Mass Rated flow Operating pressure max. Response time* hreshold* Hysteresis* Null shift* Null leakage flow* Null leakage flow* ilot flow* Main spool stroke Spool drive area Q N at p N = 7 bar (12 psi) D633-1 (2 N) [889 lbs] (± 1%) at p N = 5 bar per land orts,,, and with external orts with internal and external (pressure peaks 21 bar (35 psi)) at = 55 K total max. (~ critical lap) pilot stage only, max. max., for 1% step input l/min (gpm) 4 (1.6) Standard und kg (lb) 7 (154) l/min (gpm) 1 (264) bar (psi) 35 (58) bar (psi) 5 (725) ms 35 % <.3 % <.3 % < 2 l/min (gpm) 8. (2.1) l/min (gpm) 1.4 (.37) l/min (gpm) 4 (1.6) mm (in) ± 5.5 (.22) cm 2 (in 2 ) 33.2 (5.14) 4 (1.6) Standard und 7 (154) 15 (396) 35 (58) 5 (725) 4 <.2 <.2 < (2.1) 1.4 (.37) 45 (11.9) ± 8. (.31) 33.2 (5.14) * t 21 bar (35 psi) pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C (14 F) optional and external and external necessary 4-way version failsafe position 2x2-way version failsafe centered position by mechanical spool stop 24 MOOG D68 Series
25 ECHNICL D D685 ypical characteristic curves at 21 bar pilot or operating pressure, fluid viscosity of 32 mm 2 /s and fluid temperature of 4 C Flow vs. signal curves at p N = 5 bar per land Flow rate / l/min l/min = 52.8 gpm 4 l/min = 16. gpm 6 l/min = 159. gpm 8 l/min = 211. gpm 1 l/min = 264. gpm 12 l/min = 317. gpm 14 l/min = 37. gpm 15 l/min = 396. gpm 16 l/min = 423. gpm 21 bar = 35 psi 4 C = 14 F Signal / % 15 1 Spool version : ~critical lap, linear characteristic Spool version D: 1 % overlap, linear characteristic Spool version : ~critical lap, curvilinear characteristic Spool version V: ~2 % overlap, curvilinear characteristic Step response D685-1H. Step response D685-15H. Stroke / % bar 7 bar = 12 psi 21 bar = 35 psi 28 bar = 46 psi Stroke / % bar 7 bar = 12 psi 21 bar = 35 psi 28 bar = 46 psi 21 bar 21 bar bar 7 bar ime / ms ime / ms Frequency response D685-1H. Frequency response D685-15H. mplitude ratio / d % 25% 5% hase lag / degrees mplitude ratio / d % 25% 5% hase lag / degrees Frequency / Hz Frequency / Hz MOOG D68 Series 25
26 ECHNICL D (mm) D685 INSLLION DRWING (mm) Headroom for disconneting 11+E (6+E) 2 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Mating connector * * Ø6 Ø22 Ø5 Ø Ø33 Ø max.125 (85) * 1/8 NF 23 he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 5 mm dia (deviation from standard). Mounting surface needs to be flat within.2 mm over a distance of 1 mm. verage surface finish value, Ra, better than.8 µm. mm x y Ø Ø Ø G 1 G 2 Ø5 Ø11.2 Ø11.2 Ø7.5 Ø * F 1 M2 F 2 M F 3 M F 4 M F 5 M F 6 M * Measurement not according to ISO but to DIN he guard pin G 1 exists in the valve body. he drilling is at mm. Spare arts and ccessories Kantseal O-rings (included in delivery) HNR 85 Shore FM 85 Shore for,,, : 4 pieces ID 53.6 x Ø H V for, : 2 pieces ID 14. x Ø H V Mating connector, waterproof I65 (not included in delivery) 6+E-pole EN17521 art 84 min. Ø 1 mm, max. Ø 12 mm 11+E-pole EN17521 art 84 min. Ø 11 mm, max. Ø 13 mm Flushing plate not available Mounting manifolds Mounting bolts (not included in delivery) required torque required M 2 x 9 DIN Nm 6 pieces Service Seal Kit S65-32 K MOOG D68 Series
27 ECHNICL D (inch) D685 INSLLION DRWING (inch) Headroom for disconneting Mating connector 11+E (6+E).5.79 max (3.35) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø.87 Ø1.97 Ø * * Ø Ø1.3 Ø * 1/8 NF he mounting manifold must conform to ISO For maximum flow, the manifold ports,, and are required to have 1.97 inch dia (deviation from standard). Mounting surface needs to be flat within.8 inch over a distance of 3.94 inch. verage surface finish value, Ra, better than 32 micro inch. inch x y G 1 G 2 Ø1.97 Ø1.97 Ø1.97 Ø1.97 Ø.44 Ø.44 Ø.3 Ø * F 1 M2 F 2 M2 7.5 F 3 M F 4 M F 5 M2 3. F 6 M * Measurement not according to ISO but to DIN he guard pin G 1 exists in the valve body. he drilling is at 5.46 inch. Spare arts and ccessories Kantseal O-rings (included in delivery) HNR 85 Shore FM 85 Shore for,,, : 4 pieces ID 2.11 x Ø H V for, : 2 pieces ID.55 x Ø H V Mating connector, waterproof I65 (not included in delivery) 6+E-pole EN17521 art 84 min. Ø.39 in, max. Ø.47 in 11+E-pole EN17521 art 84 min. Ø.43 in, max. Ø.51 in Flushing plate not available Mounting manifolds Mounting bolts (not included in delivery) required torque required M 2 x 3.6 DIN ft/lbs 6 pieces Service Seal Kit S65-32 K65-32 MOOG D68 Series 27
28 VLVE ELECRONICS D681-D685 VLVES FOR LICIONS WIH SFE REQUIREMENS (FILSFE) WIH 11+E CONNECOR For applications with proportional control valves where certain safety regulations are applicable, a safe metering spool position is needed in order to avoid potential damage. herefore, a failsafe version is offered as an option for the multi-stage Moog roportional Control Valves. fter switching off the 24 V supply to the safety solenoid valve, this failsafe function causes a safe metering spool position, overlapped centered position or fully opened or. In order to move the spool to the safe centered position with D68 Series failsafe valves, the two control chambers of the main stage are hydraulically short circuited via a 4/2-way solenoid valve. he spring force moves the spool into the overlapped centered position. In order to reach the fully opened position with D68 Series failsafe valves, the spring force (after the control chambers have been short circuited) pushes the spool to the end position or. With failsafe valves, it is possible to check whether the main spool is in safe position. If the main spool is within the defined safe range, the logic output signal at pin 11 is > V. If this signal is < V, then the main spool is outside the safe range. his logic signal may be delayed up to 5 ms. o reduce the failsafe switching time, it is advised to both switch off the supply of the 4/2-way valve and the enable signal at the same time. NOE: ccording to DIN-EN 954-1, a higher safety category can be achieved if a failsafe valve is used. ELECRIC CHRCERISICS 4/2-way solenoid valve for the failsafe version. For more information on failsafe versions, see Moog pplication Note M 423 E. Connector wiring Valve version Function Nominal voltage U N Nominal power I N Nominal power N 4/2-way solenoid valve electro magnetic 24 V DC (min V DC, max V DC) W DIN EN art 83 with free wheel- and light diode 2 1 V 2 V 1 V D683/D684 SERIES 2-SGE ROORIONL CONROL VLVE WIH D SERIES ILO VLVE ND 4/2-W SOLENOID VLVE FOR HE FILSFE VERSION Hydraulic symbol: Symbol shown with pilot pressure; electric supply on and solenoid valve magnet off. 28 MOOG D68 Series
29 VLVE ELECRONICS D681-D685 FILSFE VLVE ELECRONICS WIH SUL VOLGE 24 VOL ND 11+E OLE CONNECOR Command signal to ±1 m floating Valves with current command input he spool stroke of the valve is proportional to I 4 = I 5. 1% valve opening and is achieved at I 4 = +1 m. t m command, the spool is in centered position. he input pins 4 and 5 are inverting. Either pin 4 or 5 is used according to the required operating direction. he other pin is connected to signal ground at cabinet side. Command signal to ±1 V Valves with voltage command input he spool stroke of the valve is proportional to (U 4 U 5 ). 1% valve opening and is achieved at (U 4 U 5 ) = +1 V. t V command, the spool is in centered position. he input stage is a differential amplifier. If only one command signal is available, pin 4 or 5 is connected to signal ground at cabinet side according to the required operating direction. ctual value 4 to 2 m he actual spool position value can be measured at pin 6 (see diagram on the top). his signal can be used for monitoring and fault detection purposes. he spool stroke range corresponds to 4 to 2 m. he centered position is at 12 m. 2 m corresponds to 1% valve opening and. Circuit diagram for measurement of actual value I 6 (position of main spool) for valves with 11 + E pole connector (signal M and ) R 4 to 2 m 5 V 6 2 Valve side l Spool stroke range U 6 = 2 to 1 V Centered position 6V (Signal type D R L integrated on electronics) he position signal output 4 to 2 m allows to detect a cable break when I 6 = m. For failure detection purposes, it is advised to connect pin 6 of the mating connector and route this signal to the control cabinet. Note: Enable input With enable signal off, the main spool will move to a safe position. Spool position ± 3%. a) Defined centered position. (Unbiased pilot valve). Function code 1 ). b) End position (iased pilot valve). Function code 1). 6 L = U 6 1) see type designation GENERL REQUIREMENS Supply 24 V DC, min. 18 VDC, max. 32 VDC Current consumption max. 8 m dditional supply 24 V DC failsafe valve and current consumption 1.35 to pin 9 1. ll signal lines, also those of external transducers, shielded. Shielding connected radially to ( V), power supply side, and connected to the mating connector housing (EMV). EMV: Meets the requirements of EN5511:1998+1:1999 (limit class: ) and immunity according to EN61-6-2:1999 Minimum cross-section of all leads.75 mm 2 (WG 18). Consider voltage losses between cabinet and valve. Note: When making electric connections to the valve (shield, protective earth) appropriate measures must be taken to ensure that locally different earth potentials do not result in excessive ground currents. lso see Moog echnical Note N353. MOOG D68 Series 29
30 VLVE ELECRONICS D681-D685 WIRING FOR VLVES WIH 11+E OLE CONNECOR WIH INEGRED SOLENOID VLVE ELECRICL NEL SUL o EN art 84, and mating connector (type E, metal shell) with leading protective earth connection ( ). lso see wiring instructions (on page 4). Logic function G and H. Function Voltage command Current command Supply 2 Supply / Signal ground 24 V DC (min. 18 V DC, max. 32 V DC) ( V) Static: Dynamic: I max.: 2 m I max.: 8 m 3 3 Enabled Not enabled U 3 2 > +8.5 V DC U 3 2 < +6.5 V DC I e = 2, m at 24 V DC, max. 32 V DC Input rated command 5 (differential) U 4 5 = to ± 1 V Input command I 4 = I 5: to ± 1 m R e = 1 kω (R e = 2 Ω) Inputs U 4 2 and U 5 2 for both signal types limited to min. 15 V and max. +32 V 6 6 Output actual value spool position I 6 2 = 4 to 2 m. t 12 m spool is in centered position. R L = 1 to 5 Ω Signal code D: U 6 2 = 2 to 1 V. t 6 V spool is in centered position. R a = 5 Ω 7 7 uxiliary signal Spool position U 7 2= 13 to 3 V. t 8 V spool is in centered position. R a = 5 kω 8 8 Valve ready U 8 2 > +8.5 V DC: Enable and supply ok U 8 2 < +6.5 V DC: Not enabled or supply not ok Output I max. : 2 m 9 9 Supply 4/2-way solenoid valve 24 V DC (min. 22,8 V DC, max. 26,4 V DC, max ) 1 11 E 1 Supply, 4/2-way solenoid valve, signal ground 11 osition monitoring Safe position, logic rotective earth ( V) U 11 2 > +8.5 V DC: safety position U 11 2 < +6.5 V DC: not safety position Output I max.: 2 m 1 Valve 2 Connector 3 Mating connector dditional information on command signal on page 4. 3 MOOG D68 Series
31 NOES D681-D685 MOOG D68 Series 31
32 FILSFE VERSION (mm) D681 INSLLION DRWING (mm) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! 213 * E 65 max Mating connector Headroom for disconneting M5 Ø15,7 (6x) Ø18,7 Ø6,4 M5 Ø11 1,3 26 * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 1). 2 2 Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page MOOG D68 Series
33 FILSFE VERSION (inch) D681 INSLLION DRWING (inch) Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! *.79 max Mating connector Headroom for disconneting M5 Ø.62 (6x) Ø.74 Ø.25 M5 Ø * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 11). 2 2 Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page 1. MOOG D68 Series 33
34 FILSFE VERSION (mm) D682 INSLLION DRWING (mm) Headroom for disconneting Mating connector max E Ø11 Ø6.6 * Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø Ø2 1.2 Ø26.5 Ø7 Ø11 5 Ø Ø * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 14). Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page MOOG D68 Series
35 FILSFE VERSION (inch) D682 INSLLION DRWING (inch) Headroom for Mating connector disconneting max E Ø.43 Ø.26 * Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø Ø.79.5 Ø1.4 Ø.28 Ø.43.2 Ø Ø * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 15). Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page 14. MOOG D68 Series 35
36 FILSFE VERSION (mm) D683-D684 INSLLION DRWING (mm) Headroom for Mating connector disconneting max E * Ø2 Ø13.5 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø6.3 Ø6 2 Ø25 Ø Ø * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see pages 18 and 22). Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page 18 and MOOG D68 Series
37 FILSFE VERSION (inch) D683-D684 INSLLION DRWING (inch) Headroom for Mating connector disconneting max E * Ø.79 Ø.53 Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! Ø.25 Ø Ø.98 Ø Ø * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see pages 19 and 23). Failsafe centered position Failsafe centered position by mechanical spool stop See Spare arts and ccessories on page 19 and 23. MOOG D68 Series 37
38 FILSFE VERSION (mm) D685 INSLLION DRWING (mm) Headroom for disconneting Mating connector max E Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! * Ø22 Ø5 Ø17 8 * * Ø8 99 Ø33 Ø * (1/8 NF) * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 26). Failsafe position defined centered position 4-way version failsafe centered position See Spare arts and ccessories on page MOOG D68 Series
39 FILSFE VERSION (inch) D685 INSLLION DRWING (inch) Headroom for disconneting Mating connector max E Electric null adjust (behind screw plug) ttention! Electric null adjust is not possible if the position of the main spool is monitored! * Ø.87 Ø1.97 Ø * * Ø Ø1.3 Ø * (1/8 NF) * Valves with spool position monitoring in type designation letter G and H, no pilot valve change possible. Replacement must be done at the factory. he mounting manifold must conform to ISO (see page 27). Failsafe position defined centered position 4-way version failsafe centered position See Spare arts and ccessories on page 27. MOOG D68 Series 39
40 INU COMND WIRING SCHEMIC D681-D685 SINGLE NLOG INU 6+E ND 11+E to ± 1 m floating input signal he spool stroke of the valve is proportional to I D(4) = -I E(5). t I D(4) = +1 m, command signal the valve is 1% and. t I D(4) = m, the spool is in the defined centered position. 1% I D(4) = -1m spool position command osition signal curve I D(4) = +1m -1% Supply LC V + 24V (1) Valve (2) I command I D (4) D (4) U DE(4-5) R e I E (5) E (5) floating command signal to ± 1 V differential input signal he spool stroke of the valve is proportional to U D(4). U D(4) = + 1 V input moves spool 1% and. t nominal value U D(4) = V, spool in defined centered position. I D = -1V 1% spool position command osition signal curve I D = +1V Supply -1% LC V + 24V (1) Valve (2) U command D (4) U DE(4-5) R e Signal GND E (5) 4 MOOG D68 Series
41 ORDERING INFORMION D681-D685 D681 to D685. Model-Number ype designation Specification status E Z Series specification reseries specification Special specification Model designation assigned at the factory Factory identification Valve version Series Standard 5 way D681 (+ 2 ) Standard spool 1 D681 and D682/D685 N Stub shaft spool Ø 25 mm D683 and D684 Rated flow Q N [l/min] (gpm) at p N = 5 bar (75 psi) per land Series (7.9) 6 (15.9) 8 (21.1) 15 (39.5) 25 (65.8) 35 (92.1) 55 (144.7) 1 (263.1) 15 (394.7) D681 D681 D681 D682 D682 D683 D684 D685 D685 Maximum operating pressure p p H K 7 bar 28 bar 35 bar ilot valve D , p max. = 35 bar he integrated valve electronics is adapted to the pilot pressure. Main spool type 4-way: ~ Critical lap, linear characteristic D 4-way: 1 % overlap, linear characteristic 4-way:, : ~ critical lap, curvilinear characteristic : 6 % overlap, curvilinear characteristic : 5 % underlap, linear characteristic U 5-way:, 2, : ~ critical lap, curvilinear characteristic (D681- only) R 4-way: 1 % overlap, curvilinear characteristic 4-way: ~ Critical lap, curvilinear characteristic Z 2x2-way:, 2: ~ critical lap, linear characteristic D681,, D682-D685 Special spool upon request Direct Drive pilot valve U D / / (8 N Linear motor) D (2 N Linear motor) Special valve version upon request 1 Optional D683- and D684-2 WV directional valve 3 VEL valve electronics For special options, letters not on the information above may be applied. Options may increase price. ll combinations may not be available. referred configurations are highlighted. echnical changes are reserved. Series D681-D684 D N V S E S Function code O J G H No enable input. in C not used. Without enable signal applied, the spool moves to adjustable centered position. Without enable signal, the spool moves into defined end position or. Without enable signal applied, the spool moves to adjustable centered position. osition error monitored (see page 29/3). Without enable signal applied, the spool moves to adjustable centered position. Spool position monitored (see page 29/3). Without enable signal applied, the spool moves into defined end position or Connector. Spool position monitored (see page 29/3). Supply voltage 2 24 V DC (18 to 32 V DC) Signals for 1% spool stroke Command Output D M ± 1 V ± 1 V (diff.) ± 1 V 2 to 1 V ± 1 V 4 to 2 m ± 1 V ± 1 V (diff.) with dead band compens. ± 1 m 4 to 2 m potential free nom. value Others upon request Valve connector 11 + E pole EN E pole EN Seal material NR (una) Standard FM (Viton) Special version HNR-D685- (Standard) Others upon request ilot connections and pilot pressure Supply Internal External External Internal Return Internal Internal External External S S S E E E Connector E E / S E / S E E / S arameters of the control electronics are adapted to the pilot pressure. See operating pressure on the nameplate and in this ordering information. Spool position of main stage with/without electric or hydraulic supply O Undefined (no failsafe function) Mechanical failsafe version F D W U S osition,, Electrically controlled failsafe version osition Centered position defined Undefined Centered position defined,,, Special versions upon request p p or p x external [bar] 1 < 1 1 < 1 p p [bar] p x [bar] WV 2 off on off on off on VEL 3 on off on off on off MOOG D68 Series 41
42 rgentina ustralia ustria razil China Finland France Germany India Ireland Italy Japan Korea Luxembourg Norway hilippines Russia Singapore South frica Spain Sweden United Kingdom US JWhite / RG / 1 Industrial Controls Division Moog Inc., East urora,n elephone: 716/655-3 Fax: 716/ oll Free: MOOG For the location nearest you, contact D68 Series CDL668 RevC /4
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