- 83 -
No.JXC#-OMX0009-A
16. Alarm for Motor Control
The details of the alarm can be checked using the controller setting software or the teaching box.
Please refer to the manuals of the controller setting software or the teaching box for details of the alarms.
When an alarm is generated, deactivate the alarm after troubleshooting and correcting the error with
reference to chapter
"16.2 Alarms and countermeasures"
.
Alarms are divided into two types. One can be cleared by inputting the remote I/O signal, RESET. The
other cannot be cleared unless the control power supply (24 VDC) is turned off.
16.1 Output signal of Remote IO for the alarm group
This product outputs a signal to establish which type of alarm has been generated.
Alarms are classified into 4 groups. When an alarm is generated, it is output in OUT0 to 3. OUT4 and
OUT5 are OFF.
The status of output terminal for each alarm group is as follows:
Alarm group
Output signal of Remote IO
ALARM
OUT0
OUT1
OUT2
OUT3
Alarm group B
ON
OFF
ON
OFF
OFF
Alarm group C
ON
OFF
OFF
ON
OFF
Alarm group D
ON
OFF
OFF
OFF
ON
Alarm group E
ON
OFF
OFF
OFF
OFF
When multiple alarms go off and there are different alarm groups, multiple OUT signals will turn on.
After generation of the alarm, SVRE or SETON are output according to the contents of the alarm as
shown below.
Alarm group
Output signal of Remote
IO
How to restart
SVRE
SETON
Alarm group B
No change
No change
Turn ON “RESET”
Alarm group C
No change
No change
Turn ON “RESET”
Alarm group D
OFF
No change
Turn ON “RESET”, then turn ON “SVON”.
*1)
Alarm group E
OFF
OFF
Power supply for control is turned OFF
→ Supply power again
*1)
Procedure to restart operation when alarm group D is generated.
Procedure 1: Alarm group D is generated → "SVRE" changes to OFF (Servo is OFF)
Procedure 2: Turn ON RESET → (The alarm is cancelled)
→ After turning ON “SVON”, “SVRE” turns ON (Servo is ON).