SMC Networks LECSB2-T Series - Page 108

3. SIGNALS AND WIRING
3 - 64
(b) Forced stop 2 on/off
POINT
In the torque control mode, the forced stop deceleration function is not available.
Keep SON (Servo-on) on while EM2 (Forced stop 2) is off. If SON (Servo-on) is
turned off earlier than EM2 (Forced stop 2), the driver operates in the same way
as (1) (a) in this section.
Model speed command 0
and equal to or less than
zero speed (Note 2)
Release
Activate
ON
OFF
Electromagnetic
brake
Tb [Pr. PC16 Electromagnetic
brake sequence output]
Operation delay time
of the electromagnetic
brake
SON (Servo-on)
ON
ON
OFF
ON
OFF
OFF
EM2 (Forced stop 2)
MBR
(Electromagnetic
brake interlock)
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
0 r/min
Servo motor speed
ALM (Malfunction)
(Note 1)
Note 1.
ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake has been activated.
2.
The model speed command is a speed command generated in the driver for forced stop deceleration of the servo motor.
Operatin delay time
of lock
lock