Safety Routines
Safety routines have the same attributes of standard routines, except for the following:
- Safety routines can exist only in safety programs.
- Safety routines cannot read or write standard tags.
- Safety routines can only be written in the Ladder Diagram language.
- Safety routines display the Figure 3
One safety routine must be designated as the main routine in each safety program. Another safety routine can be designated as the fault routine for that safety program.
Only safety-certified instructions are used in safety routines.
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