SMC Networks LECSB2-T Series User Manual

3. SIGNALS AND WIRING
3 - 65
(c) Alarm occurrence
1) When the forced stop deceleration function is enabled
Command is not received.
Alarm occurrence
Alarm No.No alarm
Model speed command 0
and equal to or less than
zero speed (Note)
MBR
(Electromagnetic
brake interlock)
ON
OFF
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
ON
OFF
Servo amplifier
display
0 r/min
Servo motor speed
ALM (Malfunction)
Tb [Pr. PC16 Electromagnetic
brake sequence output]
Operation delay time
of the electromagnetic
brake
Release
Activate
ON
OFF
Electromagnetic
brake
SON (Servo-on)
Note.
The model speed command is a speed command generated in the driver for forced stop deceleration of the servo motor.
2) When the forced stop deceleration function is disabled
The operation status is the same as section 3.8.1 (2).
(d) Both main and control circuit power supplies off
MBR
(Electromagnetic
brake interlock)
(Note 2)
ON
OFF
Base circuit
ON
OFF
Alarm
[AL. 10 Undervoltage]
No alarm
Alarm
Approx. 10 ms
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
(Note 1)
Operation delay time of
the electromagnetic brake
Servo motor speed
ON
OFF
Main circuit
Control circuit
Power supply
0 r/min
Note 1.
Variable according to the operation status.
2.
ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake has been activated.
Operatin delay time
of lock
lock
Operatin delay time
of lock
lock
lock
driver

SMC Networks LECSB2-T Series Specifications

General

Brand	SMC Networks
Model	LECSB2-T Series
Category	DC Drives
Language	English