Siemens SIMATIC ET 200SP Manuel - Page 34

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A.2

Parameter assignment and structure of parameter data record

The data record 128 of the module has an identical structure, regardless of whether you

configure the module with PROFIBUS DP or PROFINET IO. With data record 128, you can

change the parameter assignment of the module in your user program regardless of its

configuration. This means that you can use all the functions of the module even if you

configured it using PROFIBUS GSD.

With data records 0 to 7, you can configure the individual channels.

Parameter assignment in the user program

You can change the parameters of the module in RUN (e.g. switch diagnostics on can be

changed in RUN).

Changing parameters in RUN

The "WRREC" instruction is used to transfer the parameters to the module using data record

128 or data records 0 to 7. The parameters set with STEP 7 will not be changed on the CPU,

which means that the parameters set in STEP 7 will be valid again after a restart.

If you reconfigure a module and diagnostics are pending prior to the reconfiguration, these

diagnostics are not signaled as "outgoing".

Output parameter STATUS

If errors occur when transferring parameters with the "WRREC" instruction, the module

continues operation with the previous parameter assignment. However, a corresponding

error code is written to the STATUS output parameter.

You will find a description of the "WRREC" instruction and the error codes in the STEP 7

online help.

DI 8xNAMUR HF digital input module (6ES7131-6TF00-0CA0)

Manual, 02/2014, A5E03894478-01

A.2 Parameter assignment and structure of parameter data record

Parameter data record