YASKAWA SGD7S series User Manual

12.2 Alarm Displays
12.2.3 Resetting Alarms
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12.2.3 Resetting Alarms
If there is an ALM (Servo Alarm) signal, use one of the following methods to reset the alarm
after eliminating the cause of the alarm.
The /ALM-RST (Alarm Reset) signal will not always reset encoder-related alarms. If you cannot
reset an alarm with the /ALM-RST signal, turn OFF the control power supply to reset it.
Resetting Alarms with the /ALM-RST (Alarm Reset Input)
Signal
Note: Use Pn50B = n.X (/ALM-RST (Alarm Reset) Signal Allocation) to allocate the /ALM-RST signal to other
connector pins. Refer to the following section for details.
6.1.1 Input Signal Allocations on page 6-5
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. Refer to the following manual for details
on resetting alarms.
Σ-7-Series Digital Operator Operating Manual (Manual No.: SIEP S800001 33)
Be sure to eliminate the cause of an alarm before you reset the alarm.
If you reset the alarm and continue operation without eliminating the cause of the alarm, it may
result in damage to the equipment or fire.
Typ e Signal Connector Pin No. Name
Input /ALM-RST CN1-44 Alarm Reset
Important

YASKAWA SGD7S series Specifications

General

Series	SGD7S
Safety	STO (Safe Torque Off)
Humidity	90% RH or less (non-condensing)
Control Method	PWM Control
Communication	EtherCAT, MECHATROLINK-III, MECHATROLINK-II
Output Power	0.1 kW to 15 kW
Feedback System	Incremental encoder, Absolute encoder
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overload, Overheating, Encoder Error
Ambient Temperature	0 to 55°C
Storage Temperature	-20 to 85°C
Vibration Resistance	5.9 m/s²
Installation	Panel mounted
Certifications	CE, UL, cUL