YASKAWA SGDV - Warning Output Signal (;WARN)

5.10 Other Output Signals
5-77
5
Operation
(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)
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. For details, refer to 2.1 Panel Oper-
ator.
 Resetting Alarms Using the Digital Operator
Press the ALARM RESET Key on the digital operator. For details, refer to Σ -V series User’s Manual, Opera-
tion of Digital Operator (SIEP S800000 55).
5.10.2 Warning Output Signal (/WARN)
This signal is output if as a warning (overload (A.910) or regenerative overload (A.920)) before the occur-
rence of an alarm such as an overload alarm (A.710) or a regenerative overload alarm (A.320).
Refer to 10.2.1 List of Warnings.
(1) Signal Specifications
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).
For details on warning codes, refer to 10.2.1 List of Warnings.
Be sure to eliminate the cause before resetting the alarm.
Type Signal Name
Connector Pin
Number
Meaning
Input /ALM-RST CN1-44 Alarm reset
Type
Signal
Name
Connector Pin
Number
Setting Meaning
Output /WARN Must be allocated
ON (close) Normal status
OFF (open) Warning status
Parameter Meaning When Enabled Classification
Pn001
n.0
Outputs alarm codes alone for alarm codes ALO1,
ALO2 and ALO3.
After restart Setup
n.1
Outputs both alarm and warning codes for alarm codes
ALO1, ALO2 and ALO3, and outputs an alarm code
when an alarm occurs.