Drive Engineering - Practical Implementation Vol. 4 99
Technical data / Dimensions 11
11.8 Technical data on B brake for DFY 56..B – DFY 112..B servo
motors
Note:The maximum work done per braking operation is listed in
the “Geared Servo Motors” catalog(with prices).
11.9 Brake springs fitted to DFY 71..B – DFY 112..B servo
motors
Motor typeMB1[Nm]
MB2[Nm]
W[106 J]
IH(110 VAC)
[A]
IH(230 VAC)
[A]
IH(400 VAC)
[A]
IH(24 VDC)
[A]IB/IH t1 t2I t2II
DFY 56MBDFY 56LB / 2.5 / / / / 0.5 / 7 5 /
DFY 71SBDFY 71MBDFY 71MLBDFY 71LB
6101015
36610
60 0.30 0.15 0.10 1.0 6.7
12161620
22012012065
4520208
DFY 90SBDFY 90MBDFY 90LB
203040
121220
90 0.45 0.23 0.13 1.5 6.0151822
905542
201310
DFY 112SBDFY 112MBDFY 112MLBDFY 112LB
35356090
17.517.53535
180 0.70 0.35 0.20 2.15 6.0
14142235
315315230170
60603220
MB1 = Maximum braking torqueMB2 = Minimum braking torque
IH = Holding currentIB = Starting current
W = Total braking work before replacement of brake disc
Type Braking torque Number and type of springs Part number
Brake Motor [Nm] Normal Red Normal Red
B2 DFY 71..B 361015
--34
36-2
183 623 4 183 742 7
B4 DFY 90..B 12203040
-346
6-2-
184 002 9 184 003 7
B10 DFY 112..B 17.5356090
--34
36-2
184 007 X 184 008 8
Drive Engineering - Practical Implementation Vol. 4 103
Index
Index
AAcceleration current 7Accelerator coil 6, 7, 10, 18Adjustment
time 17, 21Ambient temperature 5, 18, 27, 28Anti-condensation
heating 27Auxiliary terminal strip 28
BBrake coil 6, 7, 9, 11, 12, 14, 18, 21, 22, 25, 28Brake coil
body 6, 7, 12, 13, 14Brake connecting harness 5, 19, 20Brake
contactor 9, 16, 20Brake disc 6, 7, 12, 14, 18Brake reaction time
9, 17, 24Brake release 18Brake service life 5, 8, 18Brake springs
6, 7, 12, 13, 17Brake voltage 16, 18, 22Brake wear 21Braking
accuracy 17Braking deceleration rate 17Braking distance 9, 17,
24Braking time 17Braking torque 7, 8, 9, 11, 12, 16, 17, 32, 33,
34,
36, 37Braking work 17, 18, 34
CCarrier 6, 12, 14Centrifugal coupling 5, 12, 37Circuit type 16,
17, 19, 20Coil current 8, 9Coil section 6, 7, 21, 27Converter 20,
33Current relay 15, 24, 25Cut-off in the AC circuit 25Cut-off in
the DC and AC circuits 9, 10Cut-off on the AC side 9
EElectronically controlled drives 5EMC 20Explosion protected
brake motor 5
FFrequency inverters 20
HHeating 27Hoist operation 5, 31, 32Holding brake 14, 16, 31,
32Holding coil 6, 7, 8Holding current 7, 8, 18
IImpulse magnetization 7
LLine cross section 18, 19Low potentials 18
MManual brake release 12, 13, 23, 32, 36Motor startup time
8Multi-motor operation 28
NNoise level 5
OOvervoltage protection 22, 23
PParallel connection 28Plug connection 5, 15, 18, 22, 23, 29,
30, 32Positioning 5Pressure plate 6, 7, 8, 11, 12, 13, 14
RResponse time 7, 8, 24, 34Response times 7, 22
SSeries connection 28Service brake 16Servo controller 20,
32Standard type 22Starting frequency 5, 8, 17, 18, 23, 24Startup
heating 8Stopping accuracy 24Switching electronics 8
TTwo coil system 7
UUtilization category AC3 20
VVariable speed drives 5Ventilation 5, 27Voltage relay 15, 24,
25, 26Voltage source 18
WWork done 18, 34Working air gap 6, 11, 12, 13, 14
