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Bosch Rexroth AG
Connection diagram
Stop circuit:
Floating contact
max. load:
24VDC / 3A
Internal power
supply for I/O -
Board with Stop
circuit
Undervoltage release
+24V (main switch release)
Pressure outp. analog
Transformertemp.
Transformertemp.
5
Connection diagram
24VDC I/O
1
0VDC I/O
2
3
4
24VDC internal
5
24VDC external
6
0VDC external
7
0VDC internal
8
9
24VDC standby
10
0VDC standby
11
12
24VDC Fan
13
0VDC Fan
14
24VDC
1
0VDC
2
1
2
Shunt release
3
1
Pressure Gnd
2
3
4
5
1
2
3
4
5
6
Toroid input
1
Toroid input
2
3
4
5
U sek
6
U sek
7
8
Note:
Relay and contactors require RFI suppression
e.g. free wheeling diode for small relays and contactors
Fig. 1:
Inverter control
R911172797 | PSI 6xCx.775
W1
X
4
X
5
X
8
3
X
4
3C
5
X
2
1
2
X
3U
3
4
X
9
X
7E1
X
3
U1
Mains
V1
400VAC -
480VAC
2
max. 50 mm
U2
Welding-
V2
Transformer
2
max. 50 mm
TxD
Gnd
RxD
Bus Power
Data -
Data +
GND
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