Description Component series 2X Features Suitable for controlling direct and pilot-operated high-response valves Amplifier with additional electronics (daughter card) Analog amplifiers in Europe format for installation in 19" racks Valve position control with PID behavior Pressure control with external pressure load cell Controlled output stage Enable input Short-circuit-proof outputs Adjustment options: Valve zero point Cable break detection for actual value cable and pressure sensor Fast energization and fast deletion for short actuating times External controller shut-off Suitable for pressure sensors (1...6 V, 0...10 V, 4...20 mA), see data sheet 30271 Product description Pressure sensor connection versions Type code 01 02 03 04 05 06 07 08 09 10 11 VT- V A R A P 1 – – 2X / V0 / 01 VT- 02 V Hydraulic component (control) 03 Axis control A Valve type 04 High-response valve R Control 05 Analog A Function 06 p/Q control P Output stages 07 1 output stage 1 Serial number for types 08 2.7 A solenoid 527 3.7 A solenoid 537 09 Component series 20 ... 29 (20 ... 29: unchanged technical data and pin assignment) 2X Customer version 10 Catalog version V0 Option 11 High-response valve size 6/10, direct operated no code p/Q valve size 10, direct operated 5/3V High-response valve, pilot-operated 2STV High-response valve, pilot-operated, control line A → X 3/2V Technical data General Type / version VT-VARAP1-527 VT-VARAP1-537 Supply voltage UB at z2 ‒ b2 nominal 24 V= battery voltage 21...40 V, rectified alternating voltage Ueff = 21...28 V (single-phase, full-wave rectifier) Smoothing capacitor, separately at z2 – b2 Recommendation: Capacitor module VT 11110 (see data sheet 30750) (only necessary if the ripple of UB >10 %) Valve solenoid, max. A 2.7 3.7 Current consumption, max. 1) A 1.7 2.7 Power consumption (typical) W 37 55 Input signal (command value) b20: 0...±10 V – differential amplifier z20: 0...±10 V – differential amplifier (Ri= 100 kΩ) Input signal (command value p) z12: 0...+10 V – differential amplifier z10: 0 V – differential amplifier Actual value from the pressure sensor z14: 4...20 mA – current input b16: 0...+10 V/1...+6 V – voltage input b18: 0 V – reference Pressure controller OFF b10: 6...40 V= External enquiry pressure controller active z24: 24 V/0.1 A max. Limit frequency for applications ≤ 30 Hz Signal source Potentiometer 10 kΩ Supply with ±10 V from b32, z32 (10 mA) or external signal source Enable output stage at z16, U= 8.5...40 V, Ri = 100 kΩ LED (green) on front plate lights up Sensor supply z6: +15 V/35 mA, Ri ~ 25 Ω Position transducer Supply b30: -15 V (25 mA) z30: +15 V (35 mA) Pilot control valve Actual value signal b22: 0...±10 V, RL = 10 kΩ/Ref. b24 Main stage Actual value reference b26: 0...±10 V, RL = 10 kΩ/Ref. b28 Solenoid output b6 ‒ b8 Clocked current controller Imax A 2.7 3.7 Cable lengths between amplifier and valve Solenoid cable m 20 m 20 … 60 Number of wires / line cross-section Position transducer 4 x 0.5 mm2 (
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