HESS Hydraulic Equipment Systems and Solutions

Гидравлическое Оборудование Системы и Решения

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Бренды

p/Q closed loop amplifier VT-VACAP-500-20/V0...

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p/Q closed loop amplifier VT-VACAP-500-20/V0...

  • Suitable for controlling high-response valves with installed electronics
  • Amplifier with additional electronics (daughter card)
  • Analog amplifiers in Europe format for installation in 19" racks
  • Valve position control with PID behavior
  • Short-circuit-proof outputs
  • External shut-off for pressure controller
  • Suitable for pressure sensors (1...6 V, 0...10 V, 4...20 mA), see data sheet 30271
  • Supply for pressure sensors
  • Cable break detection for pressure sensor

Type / version

    VT-VACAP-500-20/V0 VT-VACAP-500-20/V0/2CH

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 %)

Current consumption, max.

0811405157

mA

  160

0811405158

    220 mA
      Basic card Daughter card

Pressure sensor (1…6 V/0…10 V)

    b26 – ref. b28 b16 – ref. b18

Pressure sensor (4…20 mA)

    b24 – ref. b28 z14 – ref. b18

Pressure sensor supply ‒ V

    z6 (+15 V)/b8 (0 V)

Pressure command value (0…10 V)

    b12/b14 (0 V) z12/z10 (0 V)

External controller shut-off

    z28: 6...40 V= b10: 6...40 V=

External controller enquiry

    z26: 24 V=, max. 20 mA z24: 24 V=, max. 20 mA

Monitor signal pactual

    z16: 0...10 V= z18: 0...10 V=

External channel change mode

    z30: 6...40 V=

Flow command value

    z22: 0...±10 V=
b22: 0 V
z20: 0...±10 V=
b22: 0 V

Potentiometer supply

    z32: +10 V, max. 10 mA

Outlet

    UAI; b4/b8 (0 V): 0...±10 V
Last RL > 1 kΩ
UAII; b6/b8 (0 V): 0...±10 V
Last RL > 1 kΩ

Cable

Pressure sensor

    4 x 0.5 mm2 (shielded)

Valve

    5 x 0,5 mm2

PLC signals

    0.5 mm2 (shielded)

LED displays/channel

    Pressure controller OFF
Controller working 
Pressure sensor cable break (both LEDs are flashing)

Special features

    Cable break monitoring for pressure sensors
Test points for important characteristics
External pressure controller shut-off
External channel change mode
Different pressure sensors possible

Plug-in connection

    Plug to DIN 41612-F32

Operating temperature

°C

   0+70

Storage temperature range

°C

  -20 … +70

Weight

m

kg

  0.35

 

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