Omron CJ2 User Manual page 211

Operation When Turning ON the Power
The following initial display is shown when the power is turned ON, after which the replacement noti-
fication is displayed. The alarm output turns ON approximately 0.2 seconds after the power is turned
ON.
Power ON
Display
Alarm
OFF
output
When replacement is already required, the alarm display will follow the initial display. The alarm out-
put will turn ON approximately 0.2 seconds after the power is turned ON, and then turn OFF after
approximately 5 seconds.
Display start
Power ON
Display
Alarm
output OFF
0.2 s max.
Operation at Power OFF
When the power is turned OFF, the display will turn OFF after the PLC operation stops. The alarm
output will turn OFF after the display turns OFF.
Replacement
notification display
Display
Alarm
output
*1 The values shown are reference values (calculated for a no-load status on the Power Supply Unit's output).
If replacement is already required, the display will turn OFF after the PLC operation stops. When the
display turns OFF, the alarm output will turn ON momentarily and then turn OFF again.
Alarm display
Display
Alarm
output
*1 The values shown are reference values (calculated for a no-load status on the Power Supply Unit's output).
CJ2 CPU Unit Hardware User's Manual
Display start
Initial display (approx. 1.1 s)
0.3 s 0.1 s
1 s max.
0.2 s max.
Initial display
(approx. 1.1 s)
1 s max.
Power PLC operation
interruption stopped
ON
100 VAC: Approx. 2 s
200 VAC: Approx. 7 s
*1
PLC operation
Power
stopped
interruption
OFF
100 VAC: Approx. 2 s
200 VAC: Approx. 7 s
*1
7 Inspection and Maintenance
0.3 s 0.1 s 0.3 s
ON
Alarm
Alarm output OFF
display
ON OFF
5 s max.
Notification display
*1
Approx. 70 ms
Notification display OFF
+ alarm output ON
ON
Approx. 70 ms *1
Replacement
required display
Alarm output
OFF
OFF
Alarm output
OFF
OFF
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