YASKAWA CDBR-****D User & Installation Manual page 54

6 Electrical Installation
Figure 21
−
+3
Drive
−
(Ground)
IN1
IN2
CDBR Braking
Unit 1 (master)
MA MB MC EA EB EC
Fault output
250 Vac, max. 1 A
30 Vdc, max. 1 A
min. 5 Vdc, 10 mA
(to customer circuit)
<1> Connect directly to the drive or install a terminal block.
<2> Connect the thermal relay trip contact to disconnect main input power to the drive.
Note: Contact your Yaskawa representative or nearest agent when using the CDBR Braking Unit
(CDBR-D) with earlier models (CDBR-, CDBR-B, or CDBR-C).
54 YASKAWA ELECTRIC TOBP C720600 01E YASKAWA AC Drive Option CDBR-D, LKEB- Installation Manual
Braking resistor
overheat switch
(thermal relay trip)
<2>
LKEB
1 2
Braking
Resistor
P B
Unit
+
B1 B2
<1>
IN
(Slave)
SC
SB
OUT
(Master)
(Ground)
OUT1
OUT2
CDBR transistor
short-circuit
detection output
250 Vac, max. 1 A
30 Vdc, max. 1 A
min. 5 Vdc, 10 mA
(to customer circuit)
Figure 21 Braking Units in Parallel
Braking resistor
overheat switch
(thermal relay trip)
1 2
P B
− +
B1 B2
<1>
IN
(Slave)
SC
SB
OUT
(Master)
IN1
OUT1
IN2
OUT2
CDBR Braking
Unit 2 (slave)
MA MB MC EA EB EC
Fault output CDBR transistor
250 Vac, max. 1 A short-circuit
30 Vdc, max. 1 A detection output
min. 5 Vdc, 10 mA 250 Vac, max. 1 A
(to customer circuit) 30 Vdc, max. 1 A
min. 5 Vdc, 10 mA
(to customer circuit)
Braking resistor
overheat switch
(thermal relay trip)
<2>
LKEB
1
Braking
Resistor
P
Unit
+
−
B1
<1>
IN
(Slave)
OUT
(Master)
(Ground)
IN1
IN2
CDBR Braking
Unit 3 (slave)
MA MB MC EA EB EC
Fault output CDBR transistor
250 Vac, max. 1 A short-circuit
30 Vdc, max. 1 A detection output
min. 5 Vdc, 10 mA 250 Vac, max. 1 A
(to customer circuit) 30 Vdc, max. 1 A
min. 5 Vdc, 10 mA
(to customer circuit)
<2>
LKEB
2
Braking
Resistor
B
Unit
B2
SC
SB
(Ground)
OUT1
OUT2