E6582062
2-35
2. Installation and wiring
2
3
9
10
[Standard connection diagram - Sink]
This diagram shows an example of a standard connection for 480 V class, 200 to 280 kW (frame size A8).
*1 Be sure to mount the DC reactor. It is not required for DC power input terminal. A circuit between the terminals [PA/+] and [PO] is not short circuited
(at the time of shipping).
*2 To input DC power, connect the inverter between the terminals [PA/+] and [PC/-]. It is not used in conjunction with the DC reactor option DCL1.
*3 When the inverter is used with a DC power supply, a circuit to suppress an inrush current is required. For detail, refer to application manual "DC
power supply connect to inverter" (E6582156).
*4 When the inverter is used with a DC power supply, three-phase power input for cooling fan driving is required separately. For details, refer to applica-
tion manual "DC power supply connect to inverter" (E6582156).
*5 When a braking resistor (optional) is mounted, a braking unit (optional) is also required.
*6 For the switch function, refer to [2. 3. 5].
*7 To supply control power from an external power supply for backing up the control power supplied from the inverter, an optional control power supply
unit (CPS002Z) is required. In this case, it is used in conjunction with the inverter internal power supply.
Set <F647: Control power option failure detection> to back up the control power supply.
For details, refer to [6. 30. 20].
*8 The reset signal is activated by ON
→
OFF trigger input.
*9 Connect to power to comply with OVC2 (Over Voltage Category 2). Isolation transformer is necessary when connecting to power supply (OVC3).
FP
Pulse counter
P24
Digital input
Fwd run
Rev run
Reset 1
Preset speed switching 1
Preset speed switching 2
Preset speed switching 3
Preset speed switching 4
Preset speed switching 5
Common
Default
setting
*8
+SU
CC
FLA
FLB
FLC
OFF
ON
b-contact of
overload relay
480/240 V
transformer
RUN
RUN
RUN
MC
R1A/R2A
Surge
absorber
R1C/R2C
FM AM CC
RX
II
RR
PP
STOB
STOA
PLC
PLC
SINK
SOURCE
SW1
*6
*4
*2
*3
*1
*5
*5
Power supply
480 V class:
200 - 280 kW Three-phase 380 - 440 V-50 Hz
Three-phase 380 - 480 V-60 Hz
Control
circuit
DC/DC
Power
circuit
Braking unit Braking resistor
Fan
EMC
filter
R/L1
U/T1
V/T2
M
Motor
W/T3
PA/+
PA
PB
PO
+DC -DC
PC/- BU+ BU-
S/L2
T/L3
RO
SO
TO
MCCB
or
ELCB
MC
*7
Voltage signal: -10 to +10 V
Ammeter or voltmeter
Current signal :4(0) to 20 mA
(Or, input voltage signal of 0 - 10 V between the terminals [RR] and [CC])
External potentiometer
Frequency
meter
Ammeter
CC
S5
S4
S3
S2
S1
RES
R
F
Optional control
power supply unit
*7
*9
*9
Содержание TOSVERT VF-AS3
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