Mitsubishi Electric MELSERVO-J4 MR-J4 A Series Instruction Manual page 101

3. SIGNALS AND WIRING
(e) Main circuit power supply off during control circuit power supply on
(2) When you do not use the forced stop deceleration function
(a) SON (Servo-on) on/off
It is the same as (1) (a) in this section.
(b) EM1 (Forced stop 1) on/off
POINT
In the torque control mode, the forced stop deceleration function is not available.
Servo motor speed
Main circuit power supply
Base circuit
(Energy supply to (
the servo motor)
MBR
MBR(
(Electromagnetic
brake interlock)
ALM( )
ALM (Malfunction)
Note 1. ON : Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated.
2. Variable according to the operation status.
POINT
To disable the function, set "0 _ _ _" in [Pr. PA04].
Servo motor speed
Base circuit
MBR
MBR(
(Electromagnetic
)
brake interlock)
ON (no alarm)
EM1 (Forced stop 1)
EM1( 1)
OFF (alarm)
Note. ON : Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated.
Forced stop deceleration
Time until voltage decrease
is detected
0 r/min 0r/min
ON
OFF
ON
OFF
)
ON
(Note 1)
( 1)
)
OFF
ON (no alarm) ON( )
OFF (alarm)
OFF( )
0 r/min 0r/min
(10ms)
ON
OFF
ON
(Note)
( )
OFF
(ON)
(OFF)
3 - 60
Dynamic brake
Dynamic brake
+ + Electromagnetic brake
Electromagnetic brake
(10ms)
(Note 2) ( 2)
Operation delay time of
the electromagnetic brake
Dynamic brake
Dynamic brake
+ Electromagnetic brake
+
Electromagnetic brake has released.
Electromagnetic brake
Operation delay time of
the electromagnetic brake
(210ms)
(210ms)