Mitsubishi MOTION CONTROLLERS Q172DCPU Bedienerhandbuch Seite 273

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APP - 28
A
PPENDICES
Table 2.3 Servo error (2000 to 2899) list (Continued)
Error cause Error
code
Name Description
Error check
Error
processing
Corrective action
• Machine struck something. • Review operation pattern.
• Install limit switches.
• Wrong connection of servomotor. (Servo
amplifier's output terminals U, V, W do
not match servo motor's input terminals
U, V, W.)
• Connect correctly.
• Servo system is instable and hunting. `• Repeat acceleration/
deceleration to execute auto
tuning.
• Change auto tuning response
setting.
• Set auto tuning to OFF and make
gain adjustment manually.
2051 Overload 2
• Encoder faulty.
[Checking method]
When the servomotor shaft is rotated
with the servo off, the cumulative
feedback pulses do not vary in
proportion to the rotary angle of the shaft
but the indication skips or returns
midway.
• Replace the servomotor.
• Acceleration/deceleration time constant
is too small.
• Increase the
acceleration/deceleration time.
• Torque limit value is too small. • Increase the torque limit value.
• Motor cannot be started due to torque
shortage caused by power supply
voltage drop.
• Review the power supply
capacity.
• Use servomotor which provides
larger output.
• Model loop gain value of servo
parameter is small.
• Increase set value and adjust to
ensure proper operation.
• Servomotor shaft was rotated by
external force.
• When torque is limited, increase
the limit value.
• Reduce load.
• Use servomotor that provides
larger output.
• Machine struck something. • Review operation pattern.
• Install limit switches.
• Encoder faulty • Replace the servomotor.
2052 Error excessive
• Wrong connection of servomotor. (Servo
amplifier's output terminals U, V, W do
not match servomotor's input terminals
U, V, W.)
Any time during
operation
• Connect correctly.
2060
(AL.1A)
Motor
combination
error
Fault in combination with the servo
amplifier and servomotor.
• Servo amplifier
power on.
• Multiple CPU
system power on.
Immediate
stop
Use the correct combination with
the servo amplifier and
servomotor.
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