F.30 Sm 431; Ai 16 X 16 Bit, 6Es7 431-7Qh00-0Ab0 - Siemens SIMATIC S7-400H System Manual

Connection examples for redundant I/Os
F.30 SM 431; AI 16 x 16 bit, 6ES7 431–7QH00–0AB0
F.30 SM 431; AI 16 x 16 bit, 6ES7 431–7QH00–0AB0
The diagram below shows the connection of a sensor to two SM 431;AI 16 x 16 bit.
The sensor is connected to channel 0. Suitable Zener diode BZX85C6v2 or 1N4734A (6.2 V
because of the 50 Ohm input resistance)
Figure F-31
366
Example of an interconnection with SM 431; AI 16 x 16 bit
System Manual, 09/2007, A5E00267695-03
S7-400H