Siemens S7-400PLC Spezifikationen Seite 293

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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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