Hitachi L2002 Instruction Manual page 210

5–6
Dynamic Braking
Use one BRD–E2 braking unit for the braking torque listed in the following table.
Note the column meanings in the tables:
• Column "A" = Average braking torque from 60 Hz to 3 Hz.
• Column "B" = Average braking torque from 120 Hz to 3 Hz
L200 Inverter 200V Models
2
Model Number
002NFE(F)2/NFU2
004NFE(F)2/NFU2
005NFE(F)2/NFU2
007NFE(F)2/NFU2
011NFE(F)2/NFU2
015NFE(F)2/NFU2
022NFE(F)2/NFU2
037LFU2
055LFU2
075LFU2
Connect a second braking unit in parallel for additional braking torque listed in the
following table.
L200 Inverter 200V Models
2
Model Number
002NFE(F)2/NFU2
004NFE(F)2/NFU2
005NFE(F)2/NFU2
007NFE(F)2/NFU2
011NFE(F)2/NFU2
015NFE(F)2/NFU2
022NFE(F)2/NFU2
037LFU2
055LFU2
075LFU2
Braking
Using built-in
torque
resistor only
HP
without
braking unit
A
1/4 50% 150%
1/2 50% 150%
3/4 50% 150%
1 50% 100%
1.5 50% 60%
2 50% 50%
3 20% 50%
5 20% 40%
7.5 20% 30%
10 20% 20%
Braking
Using built-in
torque
resistor only
HP
without
braking unit
A
1/4 50% 150%
1/2 50% 150%
3/4 50% 150%
1 50% 150%
1.5 50% 100%
2 50% 100%
3 20~40% 70%
5 20~40% 50%
7.5 20% 30%
10 20% 30%
Braking Torque with BRD–E2 Braking Unit
External resistor added
HRB1
B A B
120%
120%
120%
80% 150% 120%
60% 100% 80%
50% 100% 80%
50% 100% 80%
40% 60% 60%
30% 50% 50%
20% 40% 40%
Braking Torque with TWO (2) BRD–E2 Braking Units
External resistor added
HRB1
B A B
120%
120%
120%
120%
80%
80%
70% 150% 120%
50% 110% 90%
30% 80% 80%
30% 60% 60%
HRB2 HRB3
A B A
100% 100% 150% 120%
70% 70% 100% 80%
50% 50% 80% 80%
HRB2 HRB3
A B A
100% 100% 150% 150%
80% 80% 100% 100%
B
B