Applicable Systems
DVP
AH500
AS300
C2000
MS300
Symptoms
The PLC reports a duplicate P label or a P label exceeding the valid range. Check D1137 to locate the error position in the program.
Possible Causes
- Duplicate P label defined elsewhere in the program
- P label number outside the supported range for the controller
Troubleshooting Steps
- Step 1: Check D1137 to find the step number where the error occurred
D1137 holds the exact error position - Step 2: Open the program in ISPSoft or WPLSoft and fix the duplicate or out-of-range P label
Program compiles without error after correction
How to Reset
To reset: Correct the P label in the programming software, recompile, and download the program to the PLC.
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Source: Delta DVP PLC Programming Manual, Delta Electronics
Category: PLC & VFD
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