Response times
5.4 Response time for digital output modules
IM151-1 HIGH FEATURE interface module (6ES7151-1BA02-0AB0)
Manual, 03/2008, A5E01075975-02
67
5.4 Response time for digital output modules
Output delay
The response times correspond to the output delay.
Reference
Information on the output delays can be found in the technical data of the
manual
for the
relevant digital electronic module.
5.5 Response time for analog input modules
Conversion time
The conversion time comprises the basic conversion time and the processing time for wire
break check diagnostics.
In integrative conversion processes, the integration time is included directly in the conversion
time.
Cycle time
The analog/digital conversion and the transfer of the digitized measured values to memory or
to the backplane bus take place sequentially. In other words, the analog input channels are
converted one after the other. The cycle time, that is, the time until an analog output value is
converted again, is the sum of the conversion times of all the activated analog output
channels of the analog input modules. You should deactivate unused analog input channels
during parameter assignment in order to reduce the cycle time. The conversion and
integration time for a deactivated channel is 0.
The following figure gives you an overview of what the cycle time for an n-channel analog
input module comprises.
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Figure 5-3 Cycle time of the analog input module
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