Bosch Rexroth VT-VPCD-1-1X/V0/1-P-1 - Page 22

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Hyquip Limited New Brunswick Street Horwich Bolton Lancashire BL6 7JB UK
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22/60 About this product
Bosch Rexroth AG, VT-VPCD, RE 30028-B/09.13
DO1: SWA controller active DO2: Pressure controller active
1 Power supply unit 3 Voltage or current input 7 Oscillator/demodulator 11 Valve position transducer
2a Serial interface 4 Level converter 8 Voltage output 12a Swivel angle transducer of pump
2d Local bus 5 Microcontroller 9 Output driver 13a Pressure sensor, current (open circuit
6 Current-regulated output stage 10 Proportional valve 13b Pressure sensor, current
(closed circuit)
Power command value
DI1: Command call-up 1
DI2: Command call-up 2 DI3: Command call-up 4 DI4: Command call-up 8
DI5 Slave mode
DI9: Enable
DI6: DI1 to 5 valid
P
comm
Pressure command value
p
comm
SWA command
value α
comm
(master)
SWA command
value α
comml
(slave)
Activation of valve with OBE
±10 V
Resulting SWA command value α
comm
Test output OK: Ready
DO3: Power limitation active
Reference voltage -10 V Reference voltage +10 V Analog GND
DO4: Slave mode active
DO5: | α
comm
- α
act
|< window
DO6: | p
comm
- p
act
|< window
DO7: Rectanglular 32 Hz
Fig. 8: VT-VPCD-1-1X/V100/1-0-1 for axial piston pump A2V...EO4 (built-in pump) with swivel
angle transducer DK100