4 System Program
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NA-series Programmable Terminal Hardware(-V1) User’s Manual (V125)
Safety Monitor provides a function to identify inputs that cause abnormal states when the external out-
put from the safety program of the safety control unit is in an abnormal state.
Safety Monitor can display the items below.
• Global variables
Variables registered to Input or Output in Exposed Variables.
• Safety I/O unit
The state of the safety I/O unit on which the variables registered to Input or Output in Exposed Vari-
ables are assigned to the I/O port.
4-4-11 Safety Monitor
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