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Siemens Simatic S7-400 User Manual

Page 338

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Analog Modules

5-122

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

5.23

Analog Input Module SM 431; AI 8

RTD

16 Bit;

(6ES7 431-7KF10-0AB0)

Characteristics

The analog input module SM 431; AI 8

RTD

16 Bit has the following features:

8 differential inputs for the resistance thermometer

Resistance thermometer can be parameterized

Linearization of the resistance thermometer characteristic curves

16-bit resolution

Update rate of 25 ms for 8 channels

Programmable diagnostics

Programmable diagnostic interrupt

Programmable hardware interrupt when limit has been 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 analog input module AI 8 x RTD x 16 Bit; (6ES7431-7KF10-0AB0) is delivered
with the software “S7-400 RTD User Calibration” on two diskettes. After installing
the software, you can define user-specific calibration values for each channel and
and each module input range. You will find further information under ID 12436891
at the Customer Support FAQ site.

This manual is related to the following products: