
Alarms
5 T
99
2
Alarms
This driver has the alarm function to protect from temperature rise, poor connection, error in operation, and the like.
If an alarm is generated, the ALM-A output is turned ON and the ALM-B output is turned OFF to stop the motor. At the
same time, the PWR/ALM LED blinks in red.
Details of the alarm being generated can be checked by counting the number of times the PWR/ALM LED blinks, or
using EtherNet/IP or the
MEXE02
software.
2-1
Alarm reset
Before resetting an alarm, always remove the cause of the alarm and ensure safety, and perform one of the reset
operations specified below.
•
Turn the ALM-RST input ON. (It is enabled at the ON edge of the input.)
•
Execute the alarm reset with the maintenance command via EtherNet/IP.
•
Execute the alarm reset using the
MEXE02
software.
•
Turn off the main power supply and the control power supply, and on again.
•
Some alarms cannot be reset by other methods than turning on the main power supply and
control power supply again. Refer to “2-4 Alarm list” on p.100.
•
An alarm of the absolute position error can be reset if the position preset or return-to-home
operation is performed. If it cannot be reset by these methods, the ABZO sensor may be damaged.
2-2
Alarm history
Up to 10 generated alarm items are stored in the non-volatile memory in order of the latest to the oldest. The alarm
history stored in the non-volatile memory can be read or cleared if one of the following reset operations is performed.
•
Read the alarm history by the monitor command via EtherNet/IP.
•
Clear the alarm history by the maintenance command via EtherNet/IP.
•
Read or clear the alarm history using the
MEXE02
software.
2-3
Generation condition of alarms
Alarms shown in the table will be generated if the generation condition is exceeded.
Alarm code
Alarm name
Motor model
Generation condition
21h
Main circuit overheat
−
85 °C (185 °F)
22h
Overvoltage
−
36 V *1
63 V *2
26h
Motor overheat
−
85 °C (185 °F)
31h
Overspeed
AZM14
,
AZM15,
AZM24
,
AZM26
8,000 r/min
AZM46
,
AZM48
,
AZM66
4,500 r/min
AZM69
2,500 r/min
34h
Command pulse error
−
38,400 r/min
*1 When the Main power mode is 24 VDC.
*2 When the Main power mode is 48 VDC.
Summary of Contents for A Step AZ Series
Page 14: ...1 Introduction 14 ...
Page 64: ...3 Implicit communication 64 ...