Mitsubishi Electric MR-D30 Instruction Manual page 103

4. SAFETY OBSERVATION FUNCTION
(b) Stop with forced stop deceleration
For the operation of forced stop deceleration, refer to each servo amplifier instruction manual.
When the SS1 function operates, the servo motor will decelerate according to [Pr. PC24 Forced stop
deceleration time constant]. When the deceleration command is completed and the servo motor
speed is decreased to the setting of [Pr. PC07 Zero speed] or less, the base circuit will be shut off
and the dynamic brake will be activated after the delay time specified with [Pr. PC02 Electromagnetic
brake sequence output] has passed. When SS1/SS2 monitoring deceleration time is shorter than the
actual deceleration time to a stop, the STO function operates during the deceleration.
Servo motor speed
SS1C
(SS1 command)
MBR
(Electromagnetic
brake interlock)
Base circuit
(Energy supply to
the servo motor)
STOS
(STO output)
0 r/min
ON (disabled)
OFF (enabled)
ON (disabled)
OFF (enabled)
ON
OFF
ON
OFF (shut-off)
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SS1 in progress
deceleration
Stop with dynamic brake
to a stop
SS1/SS2 monitoring
deceleration time
Model speed command is 0, and the speed is
equal to or less than zero speed
Electromagnetic brake sequence output
STO status