Fuji Electric frenic mini series - Page 215

9-30
 External braking resistor
Standard Models
The braking resistor is protected from overheating by a thermal relay incorporated in the braking resistor.
Assign "external thermal relay tripped" (THR) to one of the inverter’s digital input terminals [X1], [X2],
[X3], [FWD], and [REV], and connect it to the terminals 2 and 1 of the braking resistor.
If you choose not to use the thermal relay incorporated in the braking resistor, set up the overheat
protection device using the values given in the table below.
Continuous braking
(Braking torque:
100%)
Repetitive braking
(Period: 100 sec. or
less)
Power
supply
voltage
Inverter type
Braking
resistor
type
Q'ty
Resis-
tance
(:)
Ca-
pacity
(W)
Discharg-
ing
capability
(kWs)
Braking
time
(s)
Allowable
average
loss
(kW)
Duty
cycle
(%ED)
FRNF50C1

-2U 9 0.044 22
FRN001C1

-2U
DB0.75-2 100 200
17 0.068 18
FRN002C1

-2U
**
34
45
0.075 10
FRN003C1

-2U
**
DB2.2-2 40
33 30 0.077 7
Three-
phase
230V
FRN005C1

-2U
**
DB3.7-2 33
400
37 20 0.093 5
FRNF50C1

-4U 9 0.044 22
FRN001C1

-4U
DB0.75-4 200 200
17 0.068 18
FRN002C1

-4U
**
34
45
0.075 10
FRN003C1

-4U
**
DB2.2-4 160
33 30 0.077 7
Three-
phase
460V
FRN005C1

-4U
**
DB3.7-4 130
400
37 20 0.093 5
FRNF50C1

-7U 9 0.044 22
FRN001C1

-7U
DB0.75-2 100 200
17 0.068 18
FRN002C1

-7U 34
45
0.075 10
Single-
phase
230V
FRN003C1

-7U
DB2.2-2
1
40 400
33 30 0.077 7
Note 1) A box (

) in the above table replaces S or E depending on the enclosure.
2) Asterisks (**) in the above table denote the following:
21: Braking resistor built-in type, None: Standard