Sanyo Denki SANMOTION 3E S, Инструкция по эксплуатации

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8.3 Trouble shooting when alarm activated
8-20
8
Maintenance
■
Alarm Code 55 (External Error)
 Overheating detection of External regenerative resistor
When host device or thermal output signal of external regenerative resistor are not connected
Status at the time of alarm
Cause
1 2
Issued when control power is turned ON.
✔ ✔
 Corrective actions
Cause Investigation and corrective actions
1
■
Validity condition for external trip function
is set to ‘ Valid ’ .
■ When not used, set
"0x00:_Always_Disable" at the Index
0x20F8-3 "External Trip Input Function
[EXT-E]".
2
■
Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
When thermal signal of the external regenerative resistor is connected
Status at the time of alarm
Cause
1 2 3
Issued when control power is turned ON. ✔ ✔
Issued after operation for some time.
✔ ✔
 Corrective actions
Cause Investigation and corrective actions
1
■ Improper wiring of external regenerative
resistance.
■ Check the wiring conditions and correct it
if improper.
2
■
External regenerative resistor is
operating.
■
Check the operating conditions.
■ Increase the capacity of the external
regeneration resistor.
3
■ Defect in internal circuit of servo
amplifier.
■
Replace the servo amplifier.
* When output terminal of upper level device is connected, eliminate the alarm trigger of the host
level device.