Hitachi SJ2002 Series, Instruction Manual

Page: 209 / 306

SJ200
2
Inverter
Motor Control
Acce
ssor
ie
s
5–7
Dynamic Braking Selection Tables
The SJ200
2
series inverter models have internal braking units. Additional stopping
torque is available by adding external resistors. The required braking torque depends on
your particular application. Other tables in this section will help you choose the proper
resistor.
200V Class
Without
External
Resistor
Using Optional
External
Resistor
Performance at Minimum
Resistance
Min.
Resistance
at 100%
Braking
Duty Cycle
(Ohms)
SJ200
2
Model Number
HP
Braking
Unit
Braking
Torque
(%)
Resistance
(Ohms)
Braking
Torque
Min.
Resistance
(Ohms)
Braking
Torque
Max.
Braking
Duty
Cycle
(%)
002NFE(F)/NFU 1/4 Built-in 50 180 150 100 200 10 150
004NFE(F)/NFU 1/2 Built-in 50 180 150 100 200 10 150
005NFE(F) 3/4 Built-in 50 180 150 100 200 10 150
007NFE(F)/NFU 1 Built-in 50 100 150 35 200 10 150
011NFE(F) 1.5 Built-in 50 50 150 35 200 10 150
015NFE(F)/NFU 2 Built-in 50 50 150 35 200 10 100
022NFE(F)/NFU 3 Built-in 20 50 100 35 150 10 100
037LFU 5 Built-in 20 35 100 35 100 10 100
055LFU 7.5 Built-in 20 17 80 17 80 10 50
075LFU 10 Built-in 20 17 80 17 80 10 50
400V Class
Without
External
Resistor
Using Optional
External
Resistor
Performance at Minimum
Resistance Min.
Resistance
at 100%
Braking
Duty Cycle
(Ohms)
SJ200
2
Model Number
HP
Braking
Unit
Braking
Torque
(%)
Resistance
(Ohms)
Braking
Torque
Min.
Resistance
(Ohms)
Braking
Torque
Max.
Braking
Duty
Cycle
(%)
004HFE(F)/HFU 1/2 Built-in 50 180 150 180 150 10 500
007HFE(F)/HFU 1 Built-in 50 180 150 180 150 10 300
015HFE(F)/HFU 2 Built-in 50 180 150 180 150 10 300
022HFE(F)/HFU 3 Built-in 20 100 100 100 100 10 300
030HFE(F) 4 Built-in 20 100 100 100 100 10 200
040HFE(F)/HFU 5 Built-in 20 100 100 100 100 10 200
055HFE(F)/HFU 7.5 Built-in 20 70 80 70 80 10 200
075HFE(F)/HFU 10 Built-in 20 70 80 70 80 10 150