HESS Hydraulic Equipment Systems and Solutions

Гидравлическое Оборудование Системы и Решения

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Δp/Q controller VT-VACAF-1X

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Δp/Q controller VT-VACAF-1X

  • Component series 1X
  • Suitable for controlling high-response valves
  • Amplifier with additional electronics (daughter card)
  • Analog amplifiers in Europe format for installation in 19" racks
  • Pressure differential controller (force controller) with PID behavior
  • Short-circuit-proof outputs
  • External shut-off for pressure controller
  • External shut-off for pressure controller
  • Separate acceleration and braking ramp
  • Ramps can be separately adjusted and switched off
  • Adjustable area adjustment for cylinder
  • Suitable for pressure sensors (0...10 V, 4...20 mA), see data sheet 30271
  • Supply for pressure sensors
  • Cable break detection for pressure sensor

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.

 

mA

250

Command value Q

    b20: 0...±10 V – differential amplifier
z20: 0...±10 V – differential amplifier
(Ri= 100 kΩ)

Command value pdiff

    z10: 0...+10 V – differential amplifier
z12: 0 V – differential amplifier

Actual value from the pressure sensor

A

    b26: 0...±10 V – differential amplifier
b28: 0 V – differential amplifier
z24:
z30: 4...20 mA

B

    b16: 0...±10 V – differential amplifier
b18: 0 V – differential amplifier
z14:
z30: 4...20 mA

Pressure sensor supply

    z6: +15 V, max. 100 mA
z8: -15 V, max. 100 mA

Pressure controller OFF

    b10: 6...40 V=

External controller enquiry

V=

  z24: 24 V/0.1 A max., if controller is not active

Signal source

    Supply ±10 V from b32, z32 (10 mA) or external signal source

Monitor signal Factual

    z16: ±10 V

Error pressure sensor
(cable break, signal lines)

    b22: no error: +UB; max. 100 mA
error: 0 V
: LED "Ramp OFF A" and
"Ramp OFF B" flash

Ramp times

      min. 350 ms (1), max. 5.6 s (16)
16 stages, 350 ms/stage

Ramp OFF

A

    z22: 8...40 V =

B

    z26: 8...40 V =

Area adjustment cylinder

    min. 1:1 (1), max. 1:4 (16)
16 stages

LED displays

red

    Error UB

red

    Ramp OFF A

red

    Ramp OFF B

green

    Controller active

yellow

    Controller not active

off

    Controller OFF

Plug-in connection

    Plug to DIN 41612-F32

Operating temperature

 

°C

 0+70

Storage temperature range

 

°C

-20 … +70

Weight

m

kg

0.44

 

Force control

 

Qcommand

Direction

pdiff. command

Direction

Track traveling

Force control

+5,0​ V

+3,5​ V

with 50 % vmax.

after track traveling to 35 % of pdiff. max.

+7,5​ V

-2,0​ V

with 75 % vmax.

not possible

-3,3​ V

-4,8​ V

with 33 % vmax.

after track traveling to 48 % of pdiff. max.

-10,0​ V

+8,0​ V

with vmax.

not possible

A command value of at least ±0.3 V must be specified!

The numerical values listed in the table are examples, the signs of the values are decisive.

 

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