Diagnosis
The process instruction is a repeated data request.
Characteristic PPPI_OUTPUT_CHARACTERISTIC or PPPI_OUTPUT_VARIABLE isused to define an output value in the process instruction. In repeateddata requests, you must define a text for each output value. This textis displayed as a heading above the corresponding table column(characteristic PPPI_OUTPUT_TEXT).
In the process instruction however, no text has been defined for theoutput value.

Procedure
RESET N1
Assign characteristic PPPI_OUTPUT_TEXT to the process instructionbefore characteristic PPPI_OUTPUT_CHARACTERISTIC orPPPI_OUTPUT_VARIABLE.
Assign the column heading required for the output value tocharacteristic PPPI_OUTPUT_TEXT.