Mitsubishi Electric MELSERVO-J4 MR-J4 A Series - Page 99

3. SIGNALS AND WIRING
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(2) Setting
(a) Enable MBR (Electromagnetic brake interlock) with [Pr. PD03] to [Pr. PD22].
(b) In [Pr. PC16 Electromagnetic brake sequence output], set the time delay (Tb) from electromagnetic
brake operation to base circuit shut-off at a servo-off as in the timing chart in section 3.10.2 (1).
3.10.2 Timing chart
(1) When you use the forced stop deceleration function
POINT
To enable the function, set "2 _ _ _ (initial value)" in [Pr. PA04].
(a) SON (Servo-on) on/off
When SON (Servo-on) is turned off, the servo lock will be released after Tb [ms], and the servo
motor will coast. If the electromagnetic brake is enabled during servo-lock, the brake life may be
shorter. Therefore, set Tb about 1.5 times of the minimum delay time where the moving part will not
drop down for a vertical axis system, etc.
(95ms)
(95ms)
MBR(㔚⏛ࡉ࡟࡯ࠠ
ࠗࡦ࠲ࡠ࠶ࠢ)
(ᵈ1) ON
OFF
ON
OFF
0 r/min
ࡌ࡯ࠬ࿁〝
ࠨ࡯ࡏࡕ࡯࠲
࿁ォㅦᐲ
SON(ࠨ࡯ࡏࠝࡦ)
ON
OFF
ࡈ࡝࡯࡜ࡦ
Tb
㔚⏛ࡉ࡟࡯ࠠ૞േ
ㆃࠇᤨ㑆
⸃᡼
૞േ
૏⟎ᜰ઎(ᵈ4)
㔚⏛ࡉ࡟࡯ࠠ
⸃᡼ㆃࠇᤨ㑆 + ᄖㇱ࡝࡟࡯ߥߤ(ᵈ2)
(ᵈ3)
0 r/min
Note 1.
2.
3.
4.
ON : Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated.
Electromagnetic brake is released after delaying for the release delay time of electromagnetic brake and operation time of
external circuit relay. For the release delay time of electromagnetic brake, refer to the Servo Motor Instruction Manual (Vol. 3).
Give a position command after the electromagnetic brake is released.
In position control mode
(95 ms)
(95 ms)
(Note 3)
(Note 1)
Release
A
ctivate
Servo motor speed
Base circuit
MBR
(Electromagnetic
brake interlock)
SON (Servo-on)
Position command
(Note 4)
Electromagnetic
brake
Release delay time and external relay, etc. (Note 2)
Coastin
g
Operation delay time of
the electromagnetic brake