Omron OMNUC W R88A-NCW152-DRT, Manual

Page: 214 / 292

9.1 Alarm Display Table
9-3
9
A.81 OFF OFF OFF OFF
Backup Error
*2
All the power supplies for the absolute
encoder have failed and position data was
cleared.
A.82
Checksum Error
*2 The checksum results of the absolute
encoder memory are abnormal.
A.83
Battery Error Backup battery voltage for the absolute
encoder has dropped.
A.84
Absolute Error
*2 Data in the encoder is abnormal.
A.85
Overspeed Error The Servomotor was rotating at 200 r/min or
more when the power was turned ON.
A.86
Encoder Overheating The internal temperature of encoder is too
high.
A.B1
Speed Command Input
Reading Error The A/D converter for speed command
input is defective.
A.B2
Torque Command Input
Reading Error The A/D converter for torque command
input is defective.
A.B6
Gate Array Error Communications LSI error.
A.BF
System Error
*2 A system error occurred in the Servo Driver.
A.C1
ΟΝ
OFF
ΟΝ
OFF
Runaway Detected The Servomotor ran out of control.
A.C6
Fully-closed Encoder
Phase-A, -B Disconnection Phase A or B of the fully-closed encoder
was disconnected.
A.C7
Fully-closed Encoder Phase-Z
Disconnection Phase Z of the fully-closed encoder was dis-
connected.
A.C8
Multi-turn Data Error
*2
The multi-turn for the absolute encoder was
not properly cleared or set.
A.C9
Encoder Communications
Error
*2
Communications between Servo Driver and
encoder is not possible.
A.CA
Encoder Parameter Error
*2
Encoder parameters are incorrect.
A.CB
Encoder Data Error
*2 Contents of communications with encoder
are incorrect.
A.CC
Multi-turn Limit Discrepancy Different multi-turn limits have been set in
the encoder and Servo Driver.
A.D0
ΟΝ ΟΝ
OFF OFF
Deviation Counter Overflow Lag pulse of the deviation counter exceeded
the parameter (Pn505).
A.D1
Motor-Load Deviation Over The Motor-Load Deviation Over Level
(Pn51A) was exceeded for fully-closed
encoder and semi-closed encoder.
Table 9.1 Alarm Display Table (cont’d)
Alarm
Display
Alarm Code Outputs Servo
Alarm
Output
Alarm Name Description
ALO1 ALO2 ALO3