Warning Displays - YASKAWA E-7S SERVOPACK SGD7S Product Manual

15.3

Warning Displays

Warnings are displayed to warn you before an alarm occurs. If a warning occurs in the SERVO-
PACK, the status is displayed as described below.
 Status Display
SERVOPACK Panel Display
Indicator
Digital Operator
Response to the Alarm or Warning Read
Command (ALM)
Response to the Most Recent Error Read
Command (ERR)
ALM Signal
/WARN Signal
A list of warnings and the causes of and corrections for warnings are given below.
15.3.1 List of Warnings
This section gives the warning names, warning meanings, and warning code outputs in order
of the warning numbers.
List of Warnings
Warning
Number
Position Deviation
A.900
Overflow
Position Deviation
A.901 Overflow Alarm at
Servo ON
A.910 Overload
A.911 Vibration
Warning Name
The position deviation exceeded the percentage set
with the following formula:
(Pn520 × Pn51E/100)
The position deviation when the servo was turned
ON exceeded the percentage set with the following
formula: (Pn526 × Pn528/100)
This warning occurs before an overload alarm
(A.710 or A.720) occurs. If the warning is ignored
and operation is continued, an alarm may occur.
Abnormal vibration was detected during motor
operation. The detection level is the same as A.520.
Set whether to output an alarm or a warning by set-
ting Pn310 (Vibration Detection Switch).
The alarm number will be displayed.
Refer to the following section for details.
1.5.1 Panel Display on page 1-10
Green indicator: Remains unlit
Red indicator: Remains lit
Refer to the following section for details.
1.5.2 Indicators on page 1-11
When a warning occurs, the warning code is displayed at the
top left of the screen.
Warning code
No change
No change
Turns ON.
Meaning
15.3 Warning Displays
15.3.1 List of Warnings
Warning Code Output
/ALO1 /ALO2 /ALO3
H H H
L H H
Continued on next page.
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