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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
305
Measured value smoothing
You will find information that is generally applicable to the smoothing of analog values in the
respective section.
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.
50
100
0
63
60 8020 10040
Signal variation in
percent
Step response for any analog input signal
Smoothing Low:
average:
high:
Module cycles
Figure 5-35 Step response of the SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
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 Diagnostic information of the SM 431; AI 16 x 16 Bit
Incorrect parameter
assignment
Possible display Explanation
Of the module
Module error
Internal error
Incorrect parameters
Affecting certain channels
Module error
Internal error
Channel error
Incorrect parameters
Channel information available
Channel error vector
Channel parameter
assignment error
You will find explanations of the
diagnostics information in the
respective tables.
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