LadderLogic Detective

Upload your PLC program and discover its secrets - from I/O mapping to operational sequences and troubleshooting guides.

Ready to Analyze Your PLC Program?

Upload your RSLogix 500 or CODESYS program to get detailed analysis including I/O mapping, operational sequences, and troubleshooting guides.

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I/O Analysis

Detailed breakdown of all inputs and outputs with their current states and descriptions.

Sequence of Operations

Step-by-step operational sequence extracted from your ladder logic program.

Troubleshooting

Automatically generated troubleshooting guide based on your program logic.

Supported File Formats

RSLogix 500

  • .RSS (RSLogix 500)
  • .RSL (RSLogix 500 Library)
  • .SLC (SLC 500)

CODESYS

  • .project (CODESYS project)
  • .application
  • .program

I/O Analysis

Inputs

Outputs

Sequence of Operations

Troubleshooting Guide