34 SAFETY DEVICES, SAFETY LABELS, AND CONSTANTS
34.4 Safety Label
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Classes
The following table lists the availability of the classes of safety global labels and standard/safety shared labels.
: Applicable, : Not applicable
The following table lists the availability of the classes of safety local labels.
: Applicable, : Not applicable
Class Availability
Safety global label Standard/safety shared label
VAR_GLOBAL
VAR_GLOBAL_CONSTANT
VAR_GLOBAL_RETAIN
Class Availability
Safety program Safety function Safety function block
VAR
VAR_CONSTANT
VAR_RETAIN
VAR_INPUT
VAR_OUTPUT
VAR_OUTPUT_RETAIN
VAR_IN_OUT
VAR_PUBLIC
VAR_PUBLIC_RETAIN