3. SIGNALS AND WIRING
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(c) Alarm occurrence
The operation status during an alarm is the same as section 3.8.
(d) Both main and control circuit power supplies off
It is the same as (1) (d) of this section.
(e) Main circuit power supply off during control circuit power supply on
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
Operation delay time of
the electromagnetic brake
MBR
(Electromagnetic
brake interlock)
(Note 2)
Base circuit
Alarm
[AL.10 Undervoltage]
No alarm
Alarm
Servo motor speed
Approx. 10 ms
(Note 1)
ON
OFF
ON
OFF
Main circuit
power supply
ON
OFF
0 r/min
Note 1. Variable according to the operation status.
2. ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake has been activated.