2. CNC Monitor Screen
2.7 Diagnosis
I - 187
Correspondence of input/output signal change status and the change history
Input/output signal change status Input/output signal change history
Input signal change (ON to OFF) Y310
Input signal change (OFF to ON) !Y310
Output signal change (ON to OFF) X310
Output signal change (OFF to ON) !X310
Simultaneous input Y310+
Simultaneous output X310+
Power supply ON P.ON
Power supply OFF P.OFF
Instantaneous power failure ACDL
Emergency stop signal change
(ON->OFF)
Emergency stop PLC
Emergency stop signal change
(OFF->ON)
! Emergency stop PLC
When there are more than two signal changes at a time, changes are displayed with "+" except one of
them.
(Example)
X002
X001+
X001+
It shows three signals were changed from ON to OFF
simultaneously.