Technical specifications
A.12 Technology modules
S7-1200 Programmable controller
1494 System Manual, V4.2, 09/2016, A5E02486680-AK
Parameter data record
Parameter assignment in the user program
You can configure the device in runtime.
Changing parameters in runtime
The module parameters are included in data record 128. You can transmit the modifiable
parameters to the module with the WRREC instruction.
When you reset (power cycle) the CPU, the CPU overwrites the parameters that were sent
to the module by the WRREC instruction during the parameterization process.
Instruction for parameter assignment
The following instruction is provided for assigning parameters to the I/O module in the user
program:
Transfer of the alterable parameters to the module.
The following return value is reported in the event of an error:
H
H
Error in header information
80E1
H
Parameter error
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