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5.6
Reaction times of analog output modules
Conversion time
The conversion time of the analog output channels comprises the time for the transfer of the
digitized output values from internal memory and the digital/analog conversion.
Cycle time
The conversion of the analog output channels for the module takes place with a processing
time and sequentially with a conversion time for channels 0 and 1.
The cycle time, i.e. the time until an analog output value is converted again, is the sum of the
conversion times of all the activated analog output channels and of the processing time of
the analog output module.
The following figure provides you with an overview of what makes up the cycle time for an
analog output module.
Figure 5-4
Settling time
The settling time (t
specified value is obtained at the analog output - depends on the load. A distinction must be
drawn between resistive, capacitive, and inductive loads.
Interface module IM151-1 STANDARD (6ES7151-1AA06-0AB0)
Manual, 07/2015, A5E01075950-AD
Cycle time of the analog output module
to t
) i.e. the time from the application of the converted value until the
2
3
5.6 Reaction times of analog output modules
Response times
63
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