Connection examples for redundant I/Os
C.22 SM 322; DO 4 x DC 15 V/20 mA [EEx ib], 6ES7 322–5RD00–0AB0
CPU 410-5H Process Automation
358
System Manual, 09/2014, A5E31622160-AB
C.22
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
Figure C-20 Example of an interconnection with SM 322; DO 16 x DC 15 V/20 mA [EEx ib]