Siemens SIMATIC S7-400 Reference Manual page 286
Automation system module
data
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Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
The following figure shows for the module the number of module cycles, in the case of a step
response, after which the smoothed analog value is applied to almost 100%, depending on
the smoothing setting. The figure applies to every change of signal at an analog input.
Signal variation in
percent
Smoothing
Figure 5-34
Displaying parameter assignment errors
The SM 431; AI 16 x 16 Bit has diagnostics capability. Below you will find an overview of the
displays that are possible for modules with parameter assignment errors.
Table 5-62
Incorrect parameter assign‐
Of the module
Affecting certain channels
286
Step response for any analog input signal
100
63
50
0
20
Low:
average:
high:
Step response of the SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
Diagnostic information of the SM 431; AI 16 x 16 Bit
ment
● Module error
● Internal error
● Incorrect parameters
● Module error
● Internal error
● Channel error
● Incorrect parameters
● Channel information available
● Channel error vector
● Channel parameter
assignment error
40
60
Possible display
Reference Manual, Ausgabe 11/2016, A5E00850736-08
80
100
Module cycles
Explanation
You will find explanations of the di‐
agnostics information in the re‐
spective tables.
S7-400 Automation System Module Data
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