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Bosch Rexroth AG
Connection Diagramm
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
Pressure inp. digital
Operate Force Sensor
Force
Sensor
(optional)
Transformertemp.
Transformertemp.
5
Connection Diagramm
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 relaease
3
1
Pressure Gnd
2
3
4
5
1
Gnd
2
3
Force input
4
Gnd
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: Basic weld timer
U1
V1
W1
X
4
U2
V2
X
5
X
8
X
2
3
X
4
3C
5
X
9
1
2
X
3U
3
4
X
3
X
7E1
R911336190 | PSI 6xCx.760.xx
Mains
(see table)
Welding-
Transformer
(see table)
TxD
Gnd
RxD
Bus Power
Data -
Data +
GND
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