SMC Networks LECSN-T Series - Page 86

3. SIGNALS AND WIRING
3 - 35
(e) Main circuit power supply off during control circuit power supply on
POINT
In the torque mode, the forced stop deceleration function is not available.
ON
OFF
ON
OFF
(Note 2)
The time until a voltage
drop is detected.
ON
OFF
Dynamic brake
Forced stop deceleration
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
Operation delay time of
the electromagnetic brake
0 r/min
Approx. 10 ms
(Note 1)
Servo motor speed
Main circuit
pow er supply
Base circuit
(Energy supply to
the servo motor)
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
ON (no alarm)
OFF (alarm)
Note 1.
ON: Lock is not activated.
OFF: Lock is activated.
2.
Variable according to the operation status.
(f) Ready-off command from upper side
Electromagnetic brake
MBR
(Electromagnetic
brake interlock)
Base circuit
Servo motor speed
Ready-on command
(from controller)
(Note)
ON
OFF
ON
OFF
ON
OFF
Approx. 10 ms
0 r/min
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Operation delay time of
the electromagnetic brake
Note.
ON: Lock is not activated.
OFF: Lock is activated.
lock
lock
lock
lock
lock
lock