Panasonic MINAS A5E Series - 9 Dynamic Brake

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B45
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B44
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English
This driver is equipped with a dynamic brake for emergency stop.
Pay a special attention to the followings.
Caution
1.Dynamicbrakeisonlyforemergencystop.
Do not start/stop the motor by turning on/off the Servo-ON
signal (SRV-ON).
Otherwise it may damage the dynamic brake circuit of the
driver.
The Motor becomes a dynamo when driven externally and
short circuit current occurred while dynamic brake is activat-
ed may cause smoking or re.
2.Dynamicbrakeisashort-durationrating,anddesignedforonly
emergencystop.Allowapprox.10minutespausewhenthedynamic
brakeisactivatedduringhigh-speedrunning.
 (F-frame (200V)built-in dynamicbrakeresistor iscapableof han-
dlingupto3continuoushaltsattherated revolutionswithmax.
permissibleinertia.Whenoverheatedundermorecriticaloperating
conditions, the brake will blow out and should be replaced with a
newone.)
• You can activate the dynamic brake in the following cases.
1)whenthemainpoweristurnedoff
2)atServo-OFF
3)whenoneoftheprotectivefunctionisactivated.
4)whenover-travelinhibitinput(NOT,POT)ofconnectorX4isacti-
vated
 Intheabovecasesfrom1)to4),youcanselecteitheractivationof
thedynamicbrakeormakingthemotorfree-runduringdecelera-
tionorafterthestop,withparameter.

9. Dynamic Brake
Outline
Specications of Built-in Holding Brake
Motor
series
Motor
output
Static
friction
torque
N·m
Rotor
inertia
×
10
–4
kg·m
2
Engaging
time
ms
Releasing
time
ms
Exciting
current
DC A
(at cool-off)
Releasing
voltage
Permissible
work (J) per
one braking
Permissible
total work
x 10
3
J
Permissible
angular
acceleration
rad/s
2
MSME
50W,100W 0.29ormore 0.002 35orless 20orless 0.3
DC1V
ormore
39.2 4.9
30000200W,400W
1.27ormore 0.018 50orless 15orless 0.36 137 44.1
750W
2.45ormore 0.075 70orless 20orless 0.42 196 147
MSMD
50W,100W 0.29ormore 0.002 35orless 20orless 0.3
DC1V
ormore
39.2 4.9
30000200W,400W
1.27ormore 0.018 50orless 15orless 0.36 137 44.1
750W
2.45ormore 0.075 70orless 20orless 0.42 196 147
MHMD
200W,400W 1.27ormore 0.018 50orless 15orless 0.36
DC1V
ormore
137 44.1
30000
750W
2.45ormore 0.075 70orless 20orless 0.42 196 147
MSME
1.0kW,1.5kW,
2.0kW
7.8ormore
0.33
50orless
15orless
(100)
0.81
DC2V
ormore
392 490
10000
3.0kW
11.8ormore 80orless
4.0kW,5.0kW 16.2ormore 1.35
110or
less
50orless
(130)
0.9 1470 2200
MDME
1.0kW 4.9ormore
1.35
80orless
70orless
(200)
0.59
DC2V
ormore
588 780
100001.5kW,2.0kW
13.7ormore
100or
less
50orless
(130)
0.79 1176 1500
3.0kW
16.2ormore
110or
less
0.9 1470 2200
4.0kW,5.0kW
24.5ormore 4.7 80orless
25orless
(200)
1.3 1372 2900 5440
MFME
1.5kW 7.8ormore 4.7 80orless 35orless 0.83
DC2V
ormore
1372 2900
100002.5kW
21.6ormore
8.75
150or
less
100or
less
0.75 1470
1500
4.5kW
31.4ormore 2200
MGME
900W 13.7ormore 1.35
100or
less
50orless
(130)
0.79
DC2V
ormore
1176 1500 10000
2.0kW
24.5ormore
4.7
80orless
25orless
(200)
1.3
1372 2900
5440
3.0kW
58.8ormore
150or
less
50orless
(130)
1.4
4.5kW
50orless 5000
MHME
1.0kW 4.9ormore
1.35
80orless
70orless
(200)
0.59
DC2V
ormore
588 780
10000
1.5kW
13.7ormore
100or
less
50orless
(130)
0.79 1176 1500
2.0kWto
5.0kW
24.5ormore 4.7 80orless
25orless
(200)
1.3 1372 2900 5440
•ExcitationvoltageisDC24V±10%.
•ReleasingtimevaluesrepresenttheoneswithDC-cutoffusingavaristor.
 Valuesin()representthosemeasuredbyusingadiode(V03CbyHitachi,Ltd.)
•Abovevalues(exceptstaticfrictiontorque,releasingvoltageandexcitationcurrent)rep-
resenttypicalvalues.
•Backlashofthebuilt-inholdingbrakeiskept±1˚orsmalleratex-factorypoint.
•Service life of the number of acceleration/deceleration with the above permissible an-
gularaccelerationismorethan10milliontimes.(Lifeendisdenedaswhenthebrake
backlashdrasticallychanges.)
8. Built-in Holding Brake
Outline / Specications