Industrial Automation, PLC, VFD, and Troubleshooting
Opening an unfamiliar PLC program can feel overwhelming.
You may see:
Dozens of routines
Hundreds or thousands of tags
Timers and counters everywhere
Interlocks
Permissives
Fault logic
HMI commands
VFD control
Analog signals
Communication logic
Old logic that nobody remembers
Comments that may …
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33. PLC Programming Best Practices: Structure, Tags, Comments, and Troubleshooting ( 33 of 35 )
PLC Programming Best Practices
A PLC program should not only make the machine run.
A good PLC program should also be:
Easy to understand
Read MoreEasy to troubleshoot
Easy to modify
Easy to document
Easy to recover
Safe to …