Panasonic MINAS-A5B Series - When an Error (Alarm) Has Occurred (at Servo-ON Command)

No. SX-DSV02472 -148-
9-2-4 When an error (alarm) has occurred (at Servo-ON command)
Alarm
Dynamic brake
Motor energization
Brake release output
(BRK-OFF)
Normal
Engaged
Non-energized
Output Tr ON
(Brake release)
Energized
Released
0.5 to 5 ms
*2
Motor rotational speed
value of Pr4.39
Value of Pr 4.38
t1
*1
Motor rotational speed
value of Pr 4.39
When setup value of
Pr 4.38 is shorter,
When time to fall below value
of Pr
4.39 is shorter,
Servo-Ready
Not Alarm
Servo-Alarm output
(ALM)
Value of Pr 4.38
t1
*1
Not ready
Alarm
Output Tr OFF (Brake engage)
Output
Tr ON
(Brake release)
Output Tr OFF (
Brake engage)
Alarm
Ready
*1. t1 will be a shorter time of either the setup value of Pr 4.38 [Mechanical brake action at running setup] or
elapsing time for the motor speed to fall below Pr 4.39 [Brake release speed setup].
*2. When an alarm is generated, the dynamic brake operates according to Pr 5.10 (Sequence at alarm).
*3. A brake release output (BRK-OFF) is output by a release request from the EtherCAT communication (set brake
of 60FEh).
R1.05
Motor Business Division, Appliances Company, Panasonic Corporation