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VT 5041

External control electronics for the SYDFE1 control of the A10VSO axial piston variable displacement pump
Component series 3X
Analog, Euro-card format
Part of the SYDFE1 pressure and flow control system (component series 1X, 2X and 3X) for the control of the axial piston variable displacement pump A10VSO ... with SYDFE1 control via valve type VT-DFP...2X
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  • VT 5041-3X/1-0

  • Rexroth

  • R901236404

  • Implementation of the electronic functions of the SYDFE1 control; pressure and swivel angle control; optional power limitation

  • Pressure controller circuitry can be adjusted and switched to two existing hydraulic fluid volumes (actuators plus lines)

  • Minimum value generator for pressure and swivel angle controller

  • Pressure-dependent leakage compensation (can be switched off)

  • Switchable actual pressure value input (current, voltage, range)

  • 6 LED displays on the front plate for the operating state

  • Display instrument on the front plate for actual swivel angle value (optional)

  • Power limitation with internal or external command value presetting (optional)


01


02


03


04

VT 5041

3X

/


0

01

External control electronics for the SYDFE1 control of the A10VSO axial piston variable displacement pump

VT 5041

02

Component series 30 ... 39 (30 ... 39: unchanged technical data and pin assignment)

3X

Additional functions

03

Without power limitation / without display instrument

1

Without power limitation / with display instrument

2

With power limitation / with display instrument

3

04

For IW9 swivel angle sensor (standard)

0


Operating voltage

Nominal

VDC

24; +40 % … ‒10 %

Upper limit value

V

35

Lower limit value

V

21

Current consumption

Rated current

A

0.6

Maximum

A

1.25

Analog input, command value

Pressure

pCOMMAND

V

0 … 10; Re > 50 kΩ

Swivel angle

SWCOMMAND

Standard

V

±10; Re > 50 kΩ

Regenerative

V

0 … 10; Re > 50 kΩ

Power

(p · SW)max


0 … 10; Re > 50 kΩ

SWACT master


±10 V, Re > 50 kΩ

Analog input, actual value

Pressure

pACT

Voltage

V

0 … 5; 0 … 10; 0,5 … 5; 1 … 10; Re > 50 kΩ

Current

mA

0 ... 20; 4 ... 20; RB = 100 Ω

Enable input

SPS

V

>12

Analog output

Output stage

Solenoid current

A

2,5; R20 = 2 Ω

Oscillator

Frequency

kHz

5.4

Amplitude for IW9 1)

Actual swivel angle value

V

1

Amplitude for DM2 2)

Actual valve value

V

3.6

Signal voltage outputs

Actual pressure value

V

0 … 10

Actual swivel angle value

V

–10 … +10 (–100 % ... +100 %)

Auxiliary voltages for external use

V

±15; +2 % … –6 % (Imax = 10 mA)

Measuring sockets, function and number

Pressure command value

pCOMMAND

1

V

0 … 10 (0 … +100 %; Ri = 2 kΩ)

Actual pressure value

pACT

2

V

0 … 10 (0 … +100 %; Ri = 2 kΩ)

Swivel angle command value

SWCOMMAND

3

V

±10 (±100 %; Ri = 2 kΩ)

Actual swivel angle value

SWACT

4

V

±10 (±100 %; Ri = 2 kΩ)

Valve command value

x_vsoll

5

V

±10 (±100 %; Ri = 2 kΩ)

Actual valve value

x_vist

6

V

±10 (±100 %; Ri = 2 kΩ)

Active swivel angle command value

7

V

±10 (±100 %; Ri = 2 kΩ)

Power limit

Pmax

8

V

0 … 10 (0 … +100 %; Ri = 2 kΩ)

Message outputs

Power limitation active

V

UB … 3 (Imax = 20 mA)

Fault messages

Low-active

V

UB … 3 (Imax = 20 mA); error with U <1

High-active

V

UB … 3 (Imax = 20 mA)

Type of transducer

Swivel angle

IW9

inductive position transducer


Throttle circuit; ±4 mm; 3-conductor connection

Valve

DM2

inductive position transducer


Trafo circuit; ±0.6 mm; 4-conductor port

Type of connection

Compatibility


32-pole male multipoint connector; DIN 41612; design D

Card dimensions


Euro-card 100 x 160 mm; DIN 41494

Front plate dimensions

Height


3 HE (128,4 mm)

Width

Conductor path side


1 TE

Component side

Version "1"


5 TE

Version “2” and “3”


7 TE

Operating temperature range

°C

0 … +50

Storage temperature range

°C

-20 … +70

Weight

Without display

kg

0.19

With display

kg

0.21
1)Port 12a/14a
2)Port 8a

Environmentally acceptable systems for the areas of EMC, climate, and mechanical loading

Mechanical load

Test according to EN 60068-2 / IEC 68-2 / DIN 40046

EN 60068-2-6:1995, vibrations, sine-sine-shaped

10 cycles / 10 … 500 … 10 Hz / Δf = 1 oct./min. / max. 2 g

IEC 68-2-36: 1973 / DIN 40046-24: 1977, vibrations, random (broadband noise)

20 … 500 Hz / 2.2 gRMS / 0.01 g2/Hz / 30 min per axis

EN 60068-2-27:1993, shocking

Half-sine 15 g / 11 ms, 3 x each in positive and in negative direction per axis

Electromagnetic compatibility (EMC)

Interference resistance

Testing according to EN 61000-6-2:2005, VDE 0839 Part 6-2

ESD – EN 61000-4-2:1995, +A1:1998 +A2:2000, IEC 1000-4-2

Air discharge SG 4, BWK A
Contact discharge SG 4, BWK A

Burst – EN 61000-4-4:2004, IEC 1000-4-4

Repetition rate: 5 KHz / 100 KHz
Ub: SG 3 / BWK A
Data line: SG 4 / BWK A

Surge – EN 61000-4-5:2006, IEC 1000-4-5

Ub: SG 1/ BWK B

HF fields – EN 61000-4-6:2007, + corrigendum 08/2007, IEC 1000-4-6 (conducted)

Ub: SG 3/ BWK A

Interference emission

Testing according to EN 61000-6-3:2007, VDE 0839 Part 6-3

IEC/CISPR16-2-1:2005-09, point 7.4.1
IEC/CISPR16-1-2:2006-08, point 4.3

Limit values according to EN 61000-6-3:2007
0.15 … 30 MHz; table 1, line 3

SG = severity level; BWK = evaluation criterion

(For applications outside these values, please consult us!)


Dimensions in mm


The analog control electronics VT5041-3X/... is designed as insertion card in euro format. It is provided with a command value input each for pressure and swivel angle (1) as a standard (optional power limitation). The actual pressure value is measured with a pressure transducer. The position transducer at the pump measures the actual swivel angle value. The measured actual values are processed in the amplifier (2) and (3) and compared with the provided command values. The minimum value generator (4) controls that only controller (6) or (10) which is allocated to the requested operating point is automatically activated. The output signal of the minimum value generator (4) becomes the command value for the valve control loop.

The optionally available power limitation is automatically activated by the provision of a suitable command value. The power command value can be provided internally or externally. If necessary, it limits the swivel angle command value by means of a minimum value generator (5). The resulting swivel angle command value can be measured at socket 7.

The actual valve value (position of the valve spool) is measured with an inductive position transducer. An oscillator/demodulator switch (7) enhances the signal. The control deviation is generated and processed in the controller for the valve spool position (8). The output signal of the valve controller (8) forms the command value for the self-timing power output stage (9) which controls the proportional solenoid of the valve.

The control electronics is equipped with a fault message output where a voltage of 0 V is applied in case of error (= low-active). At the same time, the "Err." LED lights up. Depending on the jumper J1 configuration, the valve output stage can be de-energized in case of an error message.

Causes for fault messages:

  • Error in the internal voltage supply

  • The actual pressure value is greater than the admissible system pressure (socket 2: pact > 11.5 V)

  • No enable signal at port 26c

  • Cable break or range of the swivel angle return exceeded

  • Cable break or range of the valve spool return exceeded

  • "Pressure transducer" cable break (with settings 4 … 20 mA, 0.5 … 5 V and 1 … 10 V)

  • Control error (control difference x controller amplification) is greater than 4 V (40%) for more than 1 second

In an error case, the electronics can be configured so that the output stage is de-energized and the valve spool is pressed to its mechanical end position. This causes the pump to swivel back. The error can only be acknowledged by resetting the enable signal.

 

 

() assignment see "Electrical connection"


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