Warning Output Signal (/Warn) - YASKAWA E-V Series User Manual

(3) Alarm Reset Method
If a servo alarm (ALM) occurs, use one of the following methods to reset the alarm after eliminating the cause
of the alarm.
Resetting Alarms by Turning ON the /ALM-RST Signal (High Level to Low Level)
Type Signal Name
Input /ALM-RST
Note 1. The /ALM-RST signal will not always reset encoder-related alarms. If an alarm cannot be reset with /ALM-RST,
cycle the control power supply.
2. The /ALM-RST signal cannot be set so that it is always enabled by assigning an external input signal. Reset
alarms by turning ON the /ALM-RST signal (high level to low level).
The /ALM-RST signal can be allocated to another output terminal using Pn50E. For details, refer to 3.3.2 Out-
put Signal Allocations.
Resetting Alarms Using the Panel Operator
Simultaneously press the UP and the DOWN Keys on the panel operator.
Resetting Alarms Using the Digital Operator
Press the ALARM RESET Key on the digital operator.

5.10.2 Warning Output Signal (/WARN)

This signal is output if a warning, such an overload alarm (A.710) or regenerative overload alarm (A.320),
occurs.
(1) Signal Specifications
Signal
Type
Name
Output /WARN
Note: The /WARN signal must be allocated. For details, refer to 3.3.2 Output Signal Allocations.
(2) Related Parameters
Set the output method for alarm codes using the following parameter.
For details on alarm codes, refer to 5.10.1 Servo Alarm Output Signal (ALM) and Alarm Code Output Signals
(ALO1, ALO2, and ALO3).
Parameter
n.0
Pn001
n.1
Be sure to eliminate the cause before resetting the alarm.
Connector Pin
Number
CN1-44
Connector Pin
Setting
Number
ON (close)
Must be allocated
OFF (open)
Meaning
Outputs alarm codes alone for alarm codes ALO1,
ALO2 and ALO3.
Outputs both alarm and warning codes for alarm codes
ALO1, ALO2 and ALO3, and outputs an alarm code
when an alarm occurs.
5.10 Output Signals Used in All Control Modes
Meaning
Alarm reset
Normal status
Warning status
When Enabled Classification
Meaning
After restart Setup
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