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Chapter 6
2. FRENIC5000G11S/P11S Series
6-26
Caution
The information described in this catalog is for the purpose of selecting the appropriate products.
Before actually using this product, be sure to read the instruction manual carefully to ensure proper
operation.
1. Switching from line operation to inverter opera-
tion enabled without stopping the motor
• When switching from line operation to inverter operation, the
inverter outputs a frequency equivalent to the rotating speed
of the motor. Then the operation can be automatically and
smoothly changed to the desired frequency.
2. A built-in timing relay for switching command to
the inverter operation circuit
• Proper timing for breaking/closing the magnetic contactor for
main circuit switching from line to inverter operation had to
be set externally. However, by a switching command relay
being built-in the inverter, the circuits can be easily config-
ured including interlock circuits.
3. Unnecessary to resort to any special sound-
proofing measures; Fuji inverter drives a motor
with silent motor sound.
• We have succeeded in eliminating most of the unpleasant
motor sound that usually comes from the motor which is
driven by the inverter. The sound levels are comparable to
those of commercial power sources.
■
Wiring diagram/System configuration
2.12 Using with Line/Inverter Changeover Operation
■
Advantages
Alarm output
(for any fault)
"Inverter running"
signal output
Signal output
for external relay
L1/R
L2/S
L3/T
FWD
X7(HLD)
CM
MC 1
MC2
MC3
THRY
FAB (MCCB)
U
V
W
30C
30B
30A
30
Y5C
Y5A
CME
Y2C
Y3C
Y4C
Y2A(SW88)
Y3A(SW52-2)
Y4A(SW52-1)
Y2(SW88)
Y3(SW52-2)
Y4(SW52-1)
G
Keypad panel
FRN G11S-
43A (Inverter operation)
X1(SS1)
X2(SS2)
X3(SS4)
CM
SS1 (High speed)
SS4 (Low speed)
FWD (RUN)
HLD (STOP)
DBR
BU
SS2 (Mid speed)
X4(SW50)
MC2X (Interlock)
X5(IL)
X9(THR)
Relay output card (Option)
OPC-G11S-RY
M
Motor
Load
machine
CN
P1
P(+)
DB
DC REACTOR
(DCR)
Built-in
resistor
(DBR)
P(+) N(-)
G
G
Braking unit (BU)
N
DB
P
DB
2
External braking resistor (DB)
External braking resistor (DB)
(CM)
(THR)
1
2
1
P
G
DB
2
1
DB
N(-)
DBR
(CM)
(THR)
P
P
10HP or smaller
15HP or larger
P(+)
[ ]
The number of the external relays can be
reduced if an optional card is connected to
the inverter.
RUN
RUN
Chapter6-13(P26˜29).p65
07.8.9, 12:52
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