SMC Networks JXCP1 - Reading PROFINET Diagnostics

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15. Alarm for Motor Control
The details of the alarm for motor control can be checked using a PC (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 "15.3 Alarms and countermeasures" (P.64).
Alarms are divided into two types. One is an alarm group B to D which can be cleared by turning ON
“RESET”. The other is group E which cannot be cleared unless the power supply control (24 VDC) is
turned OFF once.
15.1 Alarm group signals
This product outputs a signal to distinguish the type of the alarm when an alarm is generated.
Alarms are classified into 5 groups. When an alarm is generated, it is output in “OUT0” to “OUT3”.
Table below shows the combination of the alarm group and remote IO signal output (“OUT0” to “OUT3”).
Alarm group
Signal
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
After generation of the alarm, SVRE or SETON are output according to the contents of the alarm as
shown below.
Alarm group
Signal
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”.
Alarm group E
OFF
OFF
Power supply for control is turned OFF
→ Supply power again
- 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).