
Analog modules
5.24 Analog input module SM 431; AI 8 x RTD x 16 Bit (6ES7431-7KF10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
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5.24 Analog input module SM 431; AI 8 x RTD x 16 Bit (6ES7431-7KF10-
0AB0)
5.24.1 Features
Overview
The analog input module SM 431; AI 8 x RTD x 16 Bit has the following features:
● 8 differential inputs for the resistance thermometer
● Parameters can be assigned to the resistance thermometer
● Linearization of the resistance thermometer characteristic curves
● Resolution 16 bits
● Update rate of 25 ms for 8 channels
● Programmable diagnostics
● Programmable diagnostic interrupt
● Programmable interrupt when limit is exceeded
● Analog section isolated from CPU
● The maximum permissible common mode voltage between the channel and the central
ground point is 120 VAC
Calibration software
The calibration software is only available on the Internet. You can find the current version
under article ID 12443337.
After installing the software, you can define user-specific calibration values for each channel
and each module input range. You will find further information under ID 12436891 at the
Customer Support FAQ site.
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