
Analog modules
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
257
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
5.20.1 Features
Overview
The analog input module SM 431; AI 8 x 14 Bit has the following features:
● 8 inputs for voltage/current measurement
● 4 inputs for resistance and temperature measurement
● Various measuring ranges, adjustable in parallel
● Resolution 14 bits
● Particularly suitable for measuring temperatures
● Parameters can be assigned to temperature sensor types
● Linearization of the sensor characteristic curves
● Supply voltage: 24 VDC required only for the connection of 2-wire transducers
● Analog section isolated from CPU
● The maximum permissible common mode voltage between the channels and between
the channel and central ground is 120 VAC
Note
"Wire break" diagnostics
You can configure the diagnostics "wire break" for the measuring method "voltage" for
this module but it is not evaluated by the module in this measurement type.
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