Siemens SIMATIC ET 200SP Manual - Page 23

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Siemens SIMATIC ET 200SP Manual
Parameter assignment and structure of the
parameter data record
A.1

Parameter assignment and structure of the parameter data record

Parameter assignment in the user program
You can change the parameters of the module in RUN.
Changing parameters in RUN
The "WRREC" instruction is used to transfer the parameters to the module using
data record 128. The parameters set in STEP 7 are not changed in the CPU, which
means that the parameters set in STEP 7 will be valid again after a restart.
Output parameter STATUS
If errors occur when transferring parameters with the "WRREC" instruction, the module
continues operation with the previous parameter assignment. The STATUS output
parameter contains a corresponding error code.
You will find a description of the "WRREC" instruction and the error codes in the
STEP 7 online help.
Structure of data record 128
Figure A-1
Digital output module RQ 4x120VDC-230VAC/5A NO ST (6ES7132-6HD00-0BB0)
Manual, 07/2014, A5E03576775-AB
Structure of data record 128
A
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