
Analog modules
5.8 Assigning parameters to analog modules
S7-400 Automation System Module Data
216 Reference Manual, Edition 09/2009, A5E00850736-06
5.8 Assigning parameters to analog modules
5.8.1 General information about parameter assignment
Introduction
The characteristics of analog modules may differ. The characteristics of the modules can be
defined by assigning parameters.
Tools for parameter assignment
You program analog modules in
STEP 7
.
After you have defined all parameters, download these from your programming device to the
CPU. The CPU transfers the parameters to the relevant analog modules at the STOP > RUN
transition.
Static and dynamic parameters
The parameters are divided into static and dynamic parameters.
Set the static parameters in STOP mode of the CPU, as described above.
You may also edit dynamic parameters in the active user program of an S7 PLC using SFCs.
However, the parameters set in
STEP 7
will be applied again after a RUN > STOP, STOP >
RUN transition of the CPU. You will find a description of the parameter assignment of
modules in the user program in the Appendix.
Configuration in RUN (CiR)
CiR (Configuration in RUN) is a method you can use to modify your system or edit the
parameters of individual modules. These changes are made while your system is in
operation, that is, your CPU will stay in RUN over a maximum of 2.5 seconds while these
changes are applied.
For detailed information on this topic, refer to the "Configuration in RUN by means of CiR"
manual. This manual is found, for example, as a file in PDF format on the STEP 7
CD
supplied.
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