Why are the inputs and outputs of a PCD3 systems not switched on and off correctly, or switched on and off randomly, or the I/O status not detected correctly in the PLC?

FAQ #102063

In this case, various error patterns may occur, such as

• - If an input is set to 1, then several inputs are set to 1 at the same time.
• - If an output is set to 1 in the application program, then the output is not set on the output module.
• - The status of the inputs is not correctly recognised in the application program.

The affected PCD3.K010 modules have a manufacturing date of 2028 (year 2020, week 28).

If the symptoms described above occur and a PCD3.K010 module with fabrication date 2028 is used, replace the PCD3.K010 module with a new PCD3.K010 module.

Order new PCD3.K010 modules and create an RMA request with the error description and the remark: CRABBMS-430 and select the option 'Advanced replacement'.

The date of manufacture can be seen on the white sticker on the PCD3.K010.