Yaskawa VARISPEED-600 SERIES INVERTER - Manual (Page 44)

4. OPERATION
45
1 2
P
¨
1
2
4
B
MASTER
SLAVE
3
5 1
2 6
P
+15
MASTER
SLAVE
¨ 3 ©
5 1
2 6
P
© ¨ 0 © 0
4 3 4 3
5
6
MASTER
SLAVE
1 2
P
¨
B
© ¨ 0 © 0
1 2
P
¨
B
© ¨ 0 © 0
Braking Resistor
Overheat Contact
(Thermal Relay Trip Contact)
Braking Resistor
Overheat Contact
(Thermal Relay Trip Contact)
Braking Resistor
Overheat Contact
(Thermal Relay Trip Contact)
Braking
Resistor
Unit
Braking
Resistor
Unit
Braking
Resistor
Unit
Inverter
Unit
Level Detection
Braking Unit 2 Braking Unit 3
Braking Unit 1
Cooling Fin
Overheat Contact
(Thermoswitch Contact)
Cooling Fin
Overheat Contact
(Thermoswitch Contact)
Cooling Fin
Overheat Contact
(Thermoswitch Contact)
Fig. 23 Example of Parallel Connection of Three Braking Units
4.5 OPERATION
Check that required deceleration characteristics can be obtained. While the braking
unit is operating, BRAKE lamp lights for easy check of operation.
High voltage is applied to the braking unit. At normal operation, do
not operate the unit without cover. NOTE