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5.5 Forming a Protective Sequence
5 -69
Alarm codes ALO1, ALO2 and ALO3 are output to indicate each alarm type.
The uses of open-collector output signals ALO1, ALO2 and ALO3 is described below.
Output
®
ALO1 CN1-37
Alarm Code Output
Speed/Torque
Control,
Position Control
Output
®
ALO2 CN1-38
Alarm Code Output
Speed/Torque
Control,
Position Control
Output
®
ALO3 CN1-39
Alarm Code Output
Speed/Torque
Control,
Position Control
Output
®
SG CN1-1
Signal Ground for Alarm Code
Output
Speed/Torque
Control,
Position Control
These signals output alarm codes to indicate the type of alarm detected by the Servopack. Use
thesesignalstodisplayalarm codesat thehost controller.See
7.2.3AlarmDisplayTable
formore
on the relationship between alarm display and alarm code output.
WhenaServoalarm(ALM) occurs,eliminate thecause ofthe alarmand setthe following/ALM-
RST input signal to high level (ON) to reset the alarm.
®
Input /ALM-RST CN1-44
Alarm Reset
Speed/Torque
Control,
Position Control
The alarm reset signal is used to reset a Servo alarm.
Form an external circuit so the Servopack turns OFF when an alarm occurs. Alarms are reset au-
tomatically when the control power supply is turned OFF.
Alarms can also be reset using a Panel or Digital Operator.
1.
Encoder alarms cannot always be reset by inputting the /ALM-RST signal. In that case, turn the control
power supply OFF to reset the alarm.
2.
When an alarm occurs, always eliminate the cause before resetting the alarm. See
7.2.1 Troubleshooting
Problems with Alarm Displays
for more details on troubleshooting the system when an alarm occurs.
5
IMPORTANT
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : [email protected]