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YASKAWA LKEB User Manual Page 68

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9 CDBR Braking Unit and LKEB Braking Resistor Selection
68 YASKAWA ELECTRIC TOBP C720600 01C 1000-Series Option CDBR-D, LKEB- Installation Manual
Figure 31
Figure 31 Fault Circuit Connection Diagram C (CDBR Braking Unit in parallel)
Note: Contact your Yaskawa representative or the nearest Yaskawa sales office when using the CDBR
Braking Unit (CDBR-D) with earlier models (CDBR- or CDBR-B)
<1> 200 V class drives do not require a control circuit transformer.
<2> Set L3-04 to 0 or 3 to disable Stall Prevention during deceleration when using an LKEB Braking Resistor Unit.
The motor may not stop within the deceleration time if this setting is not changed.
<3> Connect directly to the drive terminal or install a terminal block.
<4> When using more than one CDBR Braking Unit connected in parallel, set one of the CDBR Braking Units as the
master, and set the others as slaves.
MA MB MC EA EB EC
MA MB MC EA EB EC
OUT1
OUT2
IN1
IN2
3
1
P
2
B
−
+
−
B1 B2
BP
1 2
+
OUT1
OUT2
IN1
(Ground)
IN2
+
−
B1 B2
<4>
<4>
<2>
<2>
<3>
<3>
ELCB (MCCB)
R
T
S
MC
R/L1
S/L2
T/L3
ON
OFF
THRX
SA
12
TRX
MC
MA
MC
TRX
MC
SA
SA
THRX
MC MB
<1>
SC
SB
SC
SB
Wiring sequence should shut off power to the
drive when a CDBR transistor short-circuit
detection output is triggered or a braking
resistor unit overheat switch is triggered.
Fault relay contact
Braking resistor
overheat switch
(thermal relay trip)
Drive
Braking resistor
overheat switch
(thermal relay trip)
LKEB
Braking
Resistor
Unit
LKEB
Braking
Resistor
Unit
CDBR Braking
Unit 2 (slave)
CDBR Braking
Unit 1 (master)
IN (Slave)
O
UT (M
aster)
IN (Slave)
OUT (Master)
Fault output
250 Vac, max.1 A
30 Vdc, max.1 A
min.5 Vdc, 10 mA
(to customer circuit)
CDBR transistor
short-circuit
detection output
250 Vac, max.1 A
30 Vdc, max.1 A
min.5 Vdc, 10 mA
(to customer circuit)
Fault output
250 Vac, max.1 A
30 Vdc, max.1 A
min.5 Vdc, 10 mA
(to customer circuit)
CDBR transistor
short-circuit
detection output
250 Vac, max.1 A
30 Vdc, max.1 A
min.5 Vdc, 10 mA
(to customer circuit)
Braking resistor
overheat switch
(thermal relay trip)
3-phase
TOBP_C720600_01C_3_0_E.fm 68 ページ ２０１３年１１月１日　金曜日　午後２時５０分
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