Digital Control Proportional Valves Series D92 High-performance pressure control valve with high dynamics and the ability to easily and exactly tune the pressure controller gain The pq-proportional valves of the D92 series are throttle valves for 2x2-, 3- or -way applications. This two stage pq-proportional valve with D633-7 pilot valve has an integrated digital electronics and an optional fieldbus interface. The pq-proportional valves control flow and regulate pressure (upper or lower limiting pressure). Thus, they can be used for both pressure regulation as well as applying a pressure-limit. The control electronics for the spool position and the pressure are integrated in the valve as is a pressure sensor. The valves have been continuously improved. The Direct Drive Valve D633-7, when used as the pilot valve, is characterized by its high dynamics and very low leakage. The very high pressure efficiency makes it the first choice for applications involving low pilot pressures. Fail-safe versions for user defined spool positions at loss of power are available. Mechanically and electrically controlled fail-safe versions provide defined safe spool position by a spring and/or a solenoid valve. Advantages Optimized pressure regulation with integrated pressure sensor Improved vibration resistance High dynamics Increased machine performance through more valve tuning options, valve diagnostics and faster commissioning Easy automation when using fieldbus Applications Steel production Test equipment Metal forming and presses Paper machinery What moves your world
Technical data General Technical Data Valve design 2-Stage, with standard spool Pilot valve Direct Drive Pilot Valve D633 Standard Mounting pattern ISO 1-7-7--5 Installation position Weight 13.5 kg (29.8 lb) Weight including fail-safe valve 15 kg (33.8 lb) Storage temperature range - to +8 C (- to +176 F) Ambient temperature range -2 to +6 C (- to +1 F) Vibration resistance 3 g, 3 axis, 1 Hz to 2 khz Shock resistance 5 g, 6 directions Hydraulic Data Direct Drive Pilot Valve D633 Offset In all orientations, venting screw has to be on top during venting Operating pressure pilot valve Minimum 1 bar (15 psi) above T or Y Operating pressure range X port 1 to 35 bar (15 to 5, psi) Maximum pressure Y port 7 bar (1, psi) Maximum operating pressure of main stage Port P, A, B 35 bar (5, psi) Port T at Y internal 7 bar (1, psi) Port T at Y external 35 bar (5, psi) Rated flow at Δp N 5 bar (75 psi)/spool land 15/25 l/min (39.6/66. gpm) Maximum flow 6 l/min (158.5 gpm) Leakage flow (rate) ( zero lap) 1) 2.5 (.66) Pilot flow static.5 l/min Pilot flow for 1 % step 35 l/min (9.2 gpm) 26 l/min (6.9 gpm) Hydraulic fluid Hydraulic oil as per DIN 5152 parts 1 to 3 and ISO 11158. Other fluids upon request. Temperature range -2 to +8 C (- to +176 F) Viscosity range Recommended viscosity range 15 to 5 mm 2 /s (cst) Maximum permissible viscosity 5 to mm 2 /s (cst) Recommended cleanliness class according to ISO 6 For functional safety 18/15/12 For longer service life 17/1/11 Typical Static and Dynamic Data 1) Step response time for to 1 % stroke 11 ms 13 ms Threshold, typical (for Q control) <.5 % Threshold, maximum (for Q control) <.1 % Hysteresis, typical (for Q control) 2) <.3 % Hysteresis, maximum (for Q control) 2) <.2 % Null shift at ΔT = 55 K (131 F) (for Q control) < 1. % Sample deviation of rated flow ±1 % 1) Measured with system pressure p p of 21 bar (3, psi), oil viscosity 32 mm 2 /s and oil temperature C (1 F) 2) Hysteresis of p function depends on controller optimization 2
Technical data Electrical Data Duty cycle 1 % Degree of protection according to IEC/EN 6529 IP65 with mounted mating plugs Supply voltage 3) 2 V DC (18 to 32 V DC ) Permissible ripple of supply voltage ) Maximum current consumption static Maximum current consumption dynamic 5) Fuse protection, external, per valve ±3 V RMS.3 A 1.2 A 1.6 A (slow) EM compatibility Emitted interference as per EN 61-6-:25 (CAN open and PROFIBUS-DP) Emitted interference as per EN 61-6-3:25 (EtherCAT) Immunity to interference as per EN 61-6-2:25 (evaluation criterion A) 3) All connected circuits must be isolated from the mains supply by electrical separation in accordance with IEC/EN 61558-1 and IEC/EN 61558-2-6. Voltages must be limited to the safety extra-low voltage range in accordance with EN 62-1. We recommend the use of SELV/PELV power packs. ) Frequency from 5 Hz to 1 khz 5) Measured at ambient temperature 25 C (77 F) and supply voltage 2 V DC Installation Drawing ø 11 (.3) ø 18 (.71) 9 (3.5) (1.57) 19 (.75) 11+PE 27. (8.17) 18.5 (7.11) 5. (.21) 68.5 (2.7) 17 (.21) 153.5 (6.) 71.5 (2.81) 126. (.98) 135.6 (5.3) 138 (5.3) 1.3 (5.68) 169.3 (6.67) 2 (.79) Removal space 1 (.9) Mating connector 6 (1.81) 92 (3.62) 93. (3.68) 112 (.1) ø 3 (.12) 2 (.8) ø 2 (.79) ø 26.5 (1.) ø 6.5 (.26) ø 11 (.3) 1.3 (.5).5 (1.75) ø 13.9 (.55) 366 (1.1) 253 (9.96) Note: Dimensions in mm (in) 3
Technical data Typical Characteristic Curves Typical characteristic curves measured with system pressure p p 21 bar (3, psi), oil viscosity 32 mm 2 /s (cst) and oil temperature C (1 F). Step Response D92 with Direct Drive Pilot Valve D633, Standard Frequency Response D92 with Direct Drive Pilot Valve D633, Standard Stroke [%] 1 75 5 1 bar (2 psi) 7 bar (1 psi) Amplitude ratio [db] 3-3 9 % 25 % 5 % -12-9 Phase lag [Degree] -6-6 25-9 -3-1 5 1 15 2 Time [ms] 1 1 1 2 Frequency [Hz] D92 with Direct Drive Pilot Valve D633, Offset D92 with Direct Drive Pilot Valve D633, Offset Stroke [%] 1 75 5 1 bar (2 psi) 7 bar (1 psi) Amplitude ratio [db] 3-3 9 % 25 % 5 % -12-9 Phase lag [Degree] -6-6 25-9 -3-1 5 1 15 2 Time [ms] 1 1 1 2 Frequency [Hz]
Technical data Flow-signal Characteristic at Δp N = 5 bar (75 psi) per Land Q [l/min (gpm)] 25 (66.1) 2 (52.8) 15 (39.6) D A P2 P1 Other spools with different flow characteristics (e.g. adapted to cylinder geometry, regenerative circuits, dual flow gain etc.) are available upon request. Spool version A: Spool version D: Spool version Y: ~zero lap, linear flow characteristic 1 % overlap, linear flow characteristic ~zero lap, dual gain flow characteristic 1 (26.) 5 (13.2) Y Hydraulic Symbol Fail-safe type W -way design defined center position A B 2 6 8 1 Commad signal [%] P T Hole Pattern of Mounting Surface The mounting manifold must conform to ISO 1-7-7--5. 12 (.7) 125 (.92) x For maximum flow, the manifold ports P, T, A and B are required to have Ø 2 mm (.79 in) (deviation from standard). Mounting surface needs to be flat within.1 mm (. in) over a distance of 1 mm (3.9 in). Average surface finish value, R a, better than.8 μm (.31 in). 98 (3.86) 1 (.55) y F 1 F 5 G 1 F 2 T A P B X Y F G 2 F 6 F 3 Designation P A T B X Y G 1 G 2 F 1 F 2 F 3 F F 5 F 6 Size Ø mm in 2..79 2..79 2..79 2..79 6.3.25 6.3.25..16..16 M1 M1 M1 M1 M1 M1 M1 M1 M6 M6 M6 M6 Position X mm in 5 1.969 3.1 1.33 18.3.72 65.9 2.59 76.6 3.16 88.1 3.69 76.6 3.16 18.3.72 11.6 11.6 3.1 1.33 5 1.969 Position Y mm in 1.3.563 55.6 2.189 1.3.563 55.6 2.189 15.9.626 57.2 2.252 69.9 2.752 69.9 2.752 69.9 2.752-1.6 -.63 71.5 2.815 5
Ordering Code Model number (assigned at the factory) Type designation 1 2 3 5 6 7 D92 - P Z Specification status Z Series specification Special specification Model designation Model revision Variants 1 P Spool version Standard spool 2 Rated flow [l/min (gpm)] For pn= 5 bar (75 psi) per spool land 1 15 (39) 2 25 (65) 3 Maximum operating pressure [bar (psi)] For internal pilot connection X, the maximum operating pressure is the maximum pilot pressure. The valve electronics is adapted to the control pressure. V 1 (1,3) U 16 (2,285) T 25 (3,575) K 35 (5,) Others upon request B T Z 5 Z Spool design 3 way P A, A T, ~zero lap, linear curve -way: Linear curve, P A and P B: 2 % positive lap, A T and B T: 15 % negative lap 2x2-way: P B, T A, linear curve, closed for a 9 % signal (only for bypass) Others upon request Pilot stage design Direct Drive Pilot Valve D633-7 with linear force motor 6 F D W U Fail safe function (for more information, see catalog D67X in section Fail Safe Function ) P B, A T P A, B T Center position, with fail-safe valve P B, A T, with fail-safe valve Others upon request 7 5 6 7 Pilot connection Port X internal external external internal Port Y internal internal external external 6
Ordering Code 8 9 1 11 12 13 1 15 16 E 2 16 Factory-defined 15 Factory-defined 1 C D E O Fieldbus connector X3, X CANopen PROFIBUS-DP EtherCAT Without fieldbus interface 13 Enable function A B K L M R X X X X X X X X X X If the enable signal is low: The spool moves to a closed loop controlled neutral position (the HOLD position). If the enable signal is low: The linear force motor is de-energized. The spool moves to its spring centered position (as defined at position 6 of the order code). Monitoring of the safe position of the spool at pin 11. The range of the safe position can be freely defined (the default range is around the spring centered position). HIGH: Within the safe position range LOW: Outside of the safe position range Monitoring of the spool control error at pin 11. The threshold for the spool control error can be freely defined (the default value is >3 % of maximum spool stroke after 5 ms). HIGH: Control error is below the threshold LOW: Control error is above the threshold 12 M B N C K Valve function Flow modulation with pressure control in main line Flow modulation with pressure control in bypass line Flow modulation with maximum pressure limiting control in main line Flow modulation with maximum pressure limiting control in bypass line Flow modulation with minimum pressure limiting control in main line 11 2 Supply voltage 2 V DC, for more information, see catalog D91 section Electronics 1 Signals for spool position and pressure Input Q Input p D M X E ± 1 V ± 1 V ± 1 ma to 2 ma to 1 V to 1 V to 1 ma to 2 ma 9 Fieldbus Fieldbus Y Others upon request Output Q Output p 2 to 1 V 2 to 1 V to 2 ma to 2 ma to 2 ma to 2 ma to 2 ma to 2 ma Fieldbus Fieldbus 9 E Valve connector X1 11-pole + PE EN 17521-8 8 N V Seal material NBR FKM Others upon request 7
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