External Braking Resistors; Standard Models; Compact Models; 10% Ed Models - FujiFilm FVR-Micro Instruction Manual

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External Braking Resistors

Standard models

The thermal sensor relay mounted on the braking resistor acts as a thermal protector of the
motor for overheat, so assign an "Enable external alarm trip" terminal command THR to any of
digital input terminals [X1] to [X3], [FWD] and [REV] and connect that terminal and its common
terminal to braking resistor's terminals 2 and 1.
To protect the motor from overheat without using the thermal sensor relay mounted on the
braking resistor, configure the electronic thermal overload protection facility by setting F50
and F51 data to the discharging capability and allowable average loss values listed below,
respectively.
Power
supply Inverter type
voltage
FVR0.4AS1S-4
FVR0.75AS1S-4
Three-
phase
FVR1.5AS1S-4
400 V
FVR2.2AS1S-4
FVR3.7AS1S-4
FVR0.4AS1S-7
Single-
FVR0.75AS1S-7
phase
FVR1.5AS1S-7
200 V
FVR2.2AS1S-7

Compact models

When using the compact models of braking resistor TK80W120Ω or TK80W100Ω, set F50 to
"7" and F51 to "0.033."

10% ED models

Power
Inverter type
supply
voltage
FVR0.4AS1S-4
FVR0.75AS1S-4
Three-
phase
FVR1.5AS1S-4
400 V
FVR2.2AS1S-4
FVR3.7AS1S-4
FVR0.4AS1S-7
Single-
FVR0.75AS1S-7
phase
FVR1.5AS1S-7
200 V
FVR2.2AS1S-7
Braking resistor
Resistance
Type Qty.
DB0.75-4
DB2.2-4
1
DB3.7-4
DB0.75-2
DB2.2-2
Braking resistor
Resistance
Type Qty.
DB0.75-4C
DB2.2-4C
DB3.7-4C
1
DB0.75-2C
DB2.2-2C
Continuous braking
(100% braking torque)
Discharging
(Ω)
capability
(kWs)
9
200
17
34
160
33
130
37
9
100
17
34
40
33
Continuous braking
(100% braking torque)
Discharging
(Ω)
capacity
(kWs)
200 50
160 55
130 140
100 50
40 55
5-42
Intermittent braking
(Period: 100 s or less)
Braking Allowable
time (s) average loss
(kW)
0.044
45
0.068
0.075
30 0.077
20
0.093
0.044
45
0.068
0.075
30 0.077
Intermittent braking
(Period: 100 s or less)
Braking Allowable
time (s) average
loss (kW)
250
0.075
133
73
0.110
50
75 0.185
250
0.075
133
73
0.110
50
Duty
(%ED)
22
18
10
7
5
22
18
10
7
Duty
(%ED)
37
20
14
10
37
20
14
10