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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
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
Undervoltage release
1
+24V (main switch release)
2
Shunt release
3
Pressure outp. analog
1
Pressure Gnd
2
Pressure inp. analog
3
Pressure inp. digital
4
5
Analog output
1
Gnd
2
3
Analog input
4
Gnd
5
6
Toroid input
1
Toroid input
2
3
Transformertemp.
4
Transformertemp.
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
R911332352 | PSI 6xCx.741
U1
V1
W1
X
4
U2
V2
X
5
X
8
X
2
3
TxD
X
4
Gnd
3C
5
RxD
X
9
1
Bus Power
2
Data -
X
3U
3
Data +
4
GND
X
3
X
7E1
Mains
(see table)
Welding-
Transformer
(see table)
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