Bosch Rexroth PST 6 0 Series, Operating Instructions Manual

Page: 271 / 330

1070080029 / 05 Bosch Rexroth AG Electric Drives
and Controls
PST 6xx0 | | 271 /330
Assembly
24 V
DC
0 V
external
power sup­
ply unit
X4
10
11
Timer
internal
logic
12
7
8
9
4
5
6
1
2
3
internal
voltage
genera­
tor
24 V
DC
0 V
24 V
DC
0 V
re. Option 1:
X4
10
11
Timer
internal
logic
12
7
8
9
4
5
6
1
2
3
internal
voltage
genera­
tor
24 V
DC
0 V
24 V
DC
0 V
re. Option 2:
internal
evaluation
of the stop
circuit internal
evaluation
of the stop
circuit
to I/O module
(refer to page
268) to I/O module
(refer to page
268)
24 V
DC
0 V
external power
supply unit
X4
10
11
Timer
internal
logic
12
7
8
9
4
5
6
1
2
3
internal
voltage
genera­
tor
24 V
DC
0 V
24 V
DC
0 V
re. Option 3:
X4
10
11
Timer
internal
logic
12
7
8
9
4
5
6
1
2
3
internal
voltage
genera­
tor
24 V
DC
0 V
24 V
DC
0 V
re. Option 4:
internal
evaluation
of the stop
circuit internal
evaluation
of the stop
circuit
to I/O module
(refer to page
268) to I/O module
(refer to page
268)
24 V
DC
0 V
external
power sup­
ply unit
24 V
DC
0 V
external
power sup­
ply unit
*) *)
*) *)
*) Stop circuit: floating contact; load: 24V
DC
, max. 3A
Fig.38: Wiring examples for 24V voltage distribution
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