8 Checking Operation and Actual Operation
8 - 24
NX-series Safety Control Unit User’s Manual (Z930)
• External Device Displays
Disabled The Safety I/O Unit is present in the actual configu-
ration and safety process data communications
cannot be established with it.
The Safety I/O Unit is not monitored.
Disabled NX Unit mounting settings are disabled in the
Slave Terminal configuration for the Safety I/O
Unit.
The Safety I/O Unit is not monitored.
Disabled Either the Safety I/O Unit is not present in the
actual configuration or communications cannot be
established with it.
The Safety I/O Unit is not monitored.
Display Description
In this state, safety I/O data from external
devices is treated as ON.
This shows that there is no error at the safety I/O
terminals connected to this external device.
In this state, safety I/O data from external
devices is treated as OFF.
This shows that there is no error at the safety I/O
terminals connected to this external device.
In this state, safety I/O data from external
devices is treated as OFF.
This shows that there is an error at a safety I/O
terminal connected to this external device.
Display
Monitor
function
Description
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