Servo Errors - Mitsubishi Electric A173UHCPU Programming Manual

APPENDICES
2.4

Servo Errors

Setting
1 System-based servo OFF
(Default)
2 Only own-axis servo off
If a controller or servo amplifier self-diagnosis error occurs, check the points stated in this manual
and clear the error.
Servo errors are classified into servo amplifier errors and servo power supply
module errors.
You can set to each system what processing will be performed at servo error
detection. (Only servo errors detected by the ADU (when the A273UHCPU is
used))
Set the processing and system in the system settings of the peripheral device.
• If a servo error occurs at any one ADU axis, all axes in that system result in servo off. (Same control as at servo-off of
all axes is exercised.)
• Only the ADU axis where a servo error occurred results in servo off and the other axes are not affected.
• Note that:
1) For the type which has two axes in one module, both axes result in servo off even at occurrence of a servo error at
one axis.
2) Occurrence of any of the following servo errors will result in a system-based servo off status.
Overcurrent (2032)
Undervoltage (2810)
Overregeneration (2830)
Overvoltage (2833)
Amplifier power supply overheat (2847)
(1) Servo amplifier errors (2000 to 2799)
The servo amplifier errors are errors detected by the servo amplifier and are
assigned error codes 2000 to 2799.
In the following tables, the types of servo amplifier are indicated for ADU and
for MR- -B.
For the servo amplifier types, the ADU is abbreviated to
.
M
The servo error detection signal (M2408+20n) comes ON when a servo error
occurs. Eliminate the cause of the error, reset the error by turning ON the servo
error reset signal (M3208+20n), and reset operation. (Note that the servo error
detection signal will not come ON in response to error codes in the range 2100
to 2499 because these codes are for warnings.)
(Note-1): When an excessive regeneration error (code 2030), or overload 1 or 2
error (codes 2050, 2051) occurs, the state that applied when the error
occurred is stored in the servo amplifier even after the protection
circuit has operated. The memory contents are cleared if the external
power supply is turned OFF, but are not cleared by the reset signal.
(Note-2): Repeated resetting by turning OFF the external power supply after
occurrence of error code 2030, 2050, or 2051, may cause devices to
be destroyed by overheating. Only restart operation after eliminating
the cause of the error.
Details of servo errors are given in Table 2.12.
Control Exercised
CAUTION
APP − 21
and the MR- -B as
A