Connection examples for redundant I/Os
E.18 SM 322; DO 4 x DC 15 V/20 mA [EEx ib], 6ES7 322–5RD00–0AB0
S7-400H
478 System Manual, 03/2012, A5E00267695-11
E.18 SM 322; DO 4 x DC 15 V/20 mA [EEx ib], 6ES7 322–5RD00–0AB0
The diagram below shows the connection of an actuator to two SM 322; DO 16 x DC 15
V/20 mA [EEx ib]. The actuator is connected to channel 0. Suitable diodes are, for example,
those of the series 1N4003 ... 1N4007, or any other diode with U
_r
>=200 V and I_
F
>= 1 A
9
1
/
1IRUH[DPSOH
1IRUH[DPSOH
Figure E-18 Example of an interconnection with SM 322; DO 16 x DC 15 V/20 mA [EEx ib]
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