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6. Alarm detection
6.1 Alarm contents and countermeasures
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 3.
Refer to the table below for the combination of the alarm group and the output terminals.
After generation of the alarm, SVRE or SETON are output according to the contents of the alarm as
below.
Caution
Check the contents of alarm referring to "code (code number)" for the software for setting controller.
Alarm group
Parallel signal output
*ALARM
OUT0
OUT1
OUT2
OUT3
Alarm group A
OFF
ON
OFF
OFF
OFF
Alarm group B
OFF
OFF
ON
OFF
OFF
Alarm group C
OFF
OFF
OFF
ON
OFF
Alarm group D
OFF
OFF
OFF
OFF
ON
Alarm group E
OFF
OFF
OFF
OFF
OFF
“*ALARM” is displayed in negative
*1: For absolute controller alarm group D, SETON is OFF when power is turned back on.
Refer to “5.3.2 (3) With alarm (group D) when the power is supplied again”
*2: Input "RESET"
“SVRE”: Automatically ON (when SVON is ON)
Alarm group
Parallel signal output
How to restart
SVRE
SETON
Alarm group A
No change
No change
Input RESET
Alarm group B
No change
No change
Input RESET
Alarm group C
No change
No change
Input RESET
Alarm group D
OFF
ON (*1)
Input RESET (*2)
Alarm group E
OFF
OFF
Power supply for control is
turned off and on again
