Siemens SIMATIC ET 200SP HA Manuale - Pagina 37

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A.2

Parameter assignment

Parameter assignment in the user program

You can reconfigure individual channels of the module in RUN without this having an effect

on the other channels.

Changing parameters in RUN

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

record 128. The parameters assigned with STEP 7 are not changed permanently in the CPU,

which means the parameters assigned with STEP 7 are 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 the corresponding error code.

The STATUS output parameter is 4 bytes long and is configured as followed:

● Byte1: Function_Num, general error code

● Byte2: Error_Decode, location of the error code

● Byte3: Error_Code_1, error code

● Byte4: Error_Code_2, manufacturer-specific extension of the error code

Module-specific errors are displayed via Error_Decode = 0x80 and Error_Code_1 /

Error_Code_2.

Error_

Cause

Code_

0xB0

0x00

Number of the data record unknown

0xB1

0x01

Length of the data record is incorrect

0xB2

Varia‐

Module cannot be reached

ble

0xE0

0x01

Wrong version in the header

0xE0

0x02

Header error (number or length of parameter block) Correct the length and number of the parameter

Digital Input Module DI 16xNAMUR HA (6DL1131-6TH00-0PH1)

Manual, 11/2017, A5E39293880-AB

Drivers, parameters, diagnostics messages and address space

Remedy

Enter valid number for data record.

Enter valid value for data record length.

● Check station - is the module plugged in

correctly?

● Check the parameters of the WRREC

instruction.

Correct the version number of the parameter block.

blocks.