Sharp CP-SR421 Manual do Utilizador descarregar pdf (Página 61)

100

101

3. SIGNALS AND WIRING

3 - 20

3.6 Forced stop deceleration function

POINT

When alarms not related to the forced stop function occur, control of motor

deceleration can not be guaranteed. (Refer to section 8.1.)

In the torque control mode, the forced stop deceleration function is not available.

3.6.1 Forced stop deceleration function (SS1)

When EM2 is turned off, dynamic brake will start to stop the servo motor after forced stop deceleration.

During this sequence, the display shows [AL. E6 Servo forced stop warning].

During normal operation, do not use EM2 (Forced stop 2) to alternate stop and run. The the servo amplifier

life may be shortened.

(1) Connection diagram

Servo amplifie

Forced stop 2

DICOM

EM2

24 V DC

(Note)

Note. This diagram is for sink I/O interface. For source I/O interface, refer to section 3.8.3.

(2) Timing chart

When EM2 (Forced stop 2) turns off, the motor will decelerate according to [Pr. PC24 Forced stop

deceleration time constant]. Once the motor speed is below [Pr. PC07 Zero speed], base power is cut

and the dynamic brake activates.

Base circuit

(Energy supply to

he servo motor)

0 r/min

Servo motor speed

MBR

(Electromagnetic

brake interlock)

OFF (Enabled)

OFF

Deceleration time

Command

Rated Speed

Ordinary

operation

Forced stop

deceleration

Dynamic brake

Electromagnetic brake

OFF (Enabled)

EM2 (Forced stop 2)

Zero speed

([Pr. PC07])

[Pr. PC24]

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