Mitsubishi Electric MELSERVO-J3W Series, Инструкция по эксплуатации

Страница: 380 / 500

14. USING A DIRECT DRIVE MOTOR
14 - 47
Alarm No.: 21 Name: Encoder normal communication error 2 Stop system: Each axis
Alarm content Error is found in the encoder data.
Display Detail name Cause Check method Check result Action
21.1 Encoder data
error
Same as for the rotary servo motors.
Refer to section 8.3.
21.2 Encoder data
update error
21.3 Encoder data
waveform error
1) Something near the device
caused it.
Check for noise, and
other factors. Problem found. Take countermeasures
against its cause.
No problem found. Check 2).
2) Encoder failure Replace the direct drive
motor, and then check
the repeatability. It is not repeatable. Replace the direct drive
motor.
Alarm No.: 24 Name: Main circuit error Stop system: All axes
Alarm content
Ground fault occurred at the servo motor power lines of the servo amplifier.
A ground fault occurred at the servo motor.
Display Detail name Cause Check method Check result Action
24.1 Ground fault
detected by
hardware
detection circuit
24.2 Ground fault
detected by
software
detection
function
Same as for the rotary servo motors.
Refer to section 8.3.