ETS Series AC Servo User's Manual
4.8 Other Output Signals
4.8.1 Servo alarm output
The following diagram shows the right way to connect the Alarm Output.
I/O Power supply
+24V
Servo drive
4
3
ALM+
ALM-
0V
CN1
50mA max
Optocoupler output
(Each output node)
Max.output voltage: 30V
Max.output current: 50mA
An external +24V I/O power supply is required since there is no +24V power source available inside the servo drive.
Output → ALM- CN1_A/B/C-3
Servo alarm output uses grounding signal
ALM outputs a signal when the servo drive is detected in an abnormal state.
Be detected
abnormal
Servo drive
ALM Output
Cut off the main circuit
power
Normally, the external circuit consists of /ALM should be able to switch off the power of servo drive.
When “servo alarm(ALM)” happens, always remove alarm reasons first , and then turn the input signal "/ALM-RST" to ON
position to reset alarm status.
4.8.2 Others
CN1_A/B/C-7/8
CN1_A/B/C-1/2
CN1_A/B/C-5/6
Positioning is not complete
CN1_A/B/C-7/8
CN1_A/B/C-1/2
Servomotor is operating(Servomotor
speed is above the setting in Pn503).