
Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
293
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
5.23.1 Features
Overview
The analog input module SM 431; AI 16 x 16 Bit has the following features:
● 16 inputs for voltage/current and temperature measurement with thermocouple (TC)
● 8 inputs for resistance and temperature measurement with thermocouple (TC)
● Various measuring ranges, adjustable in parallel
● Resolution 16 bits
● Programmable diagnostics
● Programmable diagnostic interrupt
● Programmable interrupt when limit is exceeded
● Programmable end-of-cycle interrupt
● Analog section isolated from CPU
● The maximum permissible common mode voltage between the channels and between
the channel and central ground is 120 VAC
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