B 9361 (0507)
146
2.7 Connections on the rear
Figure 2: Connections on the rear of the additional power supply subrack K 1408
Connections on the rear of the additional power supply subrack K 1408 (see also assembly kit,
wiring diagram):
2.7.1 Wiring ex works
XG .4 Feeding L+ (24 V) for power supply module F 7126
XG .5 Feeding L- (24 V) for power supply module F 7126
XG. 26 Connections for Z 6012: fan with fan run monitoring
and fuse monitoring
XG .26: 2, 3 Power supply for fans
XG .26: 1 Wire for fuse monitoring
XG .26: 4, 5 ,6 Floating NO/NC contact for signaling of fuse and fan monitoring
2.7.2 Wiring by customer
XG .1:9-11 Connections for monitoring of the power supplies
by power supply monitoring module F 7131
XG .2 Output + 5 V (supply of I/O subrack B 9302)
XG .3 Output GND (supply of I/O subrack B 9302,
connection to GND of central subrack)
XG .21, XG .22, XG .23 Connections for Z 6011 (decoupling and fusing to feed the power
supply modules)
XG .24, XG .25 Connections for Z 6013:
decoupling and fusing of the supply voltage for Z 6012 and fee-
ding of the coupling module F 7553 in I/O subrack
XG .24: 1st I/O bus
XG .25: 2nd I/O bus
XG .2
XG .1
XG .3
XG .5
XG .4
Z 6012XG .26
123 456
Z 6013
12 3
456789
XG .25
F2 F1
Z 6013
12 3
456789
XG .24
F2 F1
Z 6011
XG .23
5678
12 34
F2
F1
Z 6011
XG .22
5678
12 34
F2
F1
Z 6011
XG .21
5678
12 34
F2
F1
1
14
Z 1004
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