((top)) — Siemens Pcs 7 Unit Codes

: New units can also be created in the "Global declarations" section of the Engineering System to make them available across the project.

| Problem | Likely cause | |----------------------------------------------|---------------------------------------------------| | Batch cannot start — "unit not found" | Unit code mismatch between SFC type and OS unit | | OS faceplate shows wrong unit data | Unit prefix missing in CFC block I/O | | After copying unit, wrong tags appear | Unit code not replaced in all chart interconnections | | Compilation error: ambiguous unit code | Same unit code used for different physical units | siemens pcs 7 unit codes