Siemens SIMATIC S7-400 Reference Manual page 265

Circuit diagram for SM 431; AI 16 x 13 bit
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*
*
*
Tr
Tr
Tr
Tr
*
*
*
*
Tr
Tr
Tr
Tr
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Figure 5-30
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
5.22 Analog input module SM 431; AI 16 x 13 Bit (6ES7431-0HH00-0AB0)
Measuring range module
Circuit diagram for SM 431; AI 16 x 13 bit
Multiplexer
Tr = Transducer = Measuring
transducer
*Voltage/current sensor and ground
must be connected to building ground
of the rack
Analog modules
265