Illegal Function Code chaining [ERROR 312]

Illegal Function Code chaining [ERROR 312]

Module 1,27,02 Block 1196 chained to illegal Module 1,27,02 Block 1296

Function Codes 117, 118, 119, 120, 126, and 216 can only chain to blocks of the same function code

Function codes 117, 118, 119, 120, 126, and 216 can chain to another function code by specifying the chained block in S12 (FC117--120), S3 (FC126) or S2 (FC216). The linked block:

  • must exist
  • be the same function code as the linking block
  • only be linked to by a single block by this method
  • not be linked so as to form a loop

This message is likely to show an error in the system configuration. It should be reviewed. The issue raised may be in unused logic or graphics, or have other realities that make it a non-issue.

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