Standard Connection Diagram - Sink, Example Of A Standard Connection For 240 V Class, 0.4 To 37Kw And 480 Vclass, 0.4 To 75Kw (Frame Size A1 To A5) - Toshiba TOSVERT VF-AS3 Instruction Manual

Industrial inverter (for 3-phase motors)
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[Standard connection diagram - Sink]
This diagram shows an example of a standard connection for 240 V class, 0.4 to 37kW and 480 V
class, 0.4 to 75kW (frame size A1 to A5).
Power supply
240 V class:
0.4 - 37 kW
Three-phase 200 - 240 V-50/60 Hz
480 V class:
0.4 - 75kW
Three-phase 380 - 480 V-50/60 Hz
2
9
*1
EMC filter is built in 480 V class.
*2
External braking resistor (option).
*3
To input DC power, connect the inverter between the terminals [PA/+] and [PC/-].
*4
If your inverter is 240 V with 11kW or more, or 480 V with 22kW or more, and please contact your Toshiba distributor for information.when using it
with a DC power supply, a circuit to suppress an inrush current is required.
*5
For the switch function, refer to [2. 3. 5].
*6
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].
*7
The reset signal is activated by ON→OFF trigger input.
*8
Connect to power to comply with OVC2 (Over Voltage Category 2). Isolation transformer is necessary when connecting to power supply (OVC3).
2. Installation and wiring
PA/+
MCCB
R/L1
S/L2
Noise
T/L3
+SU
*6
CC
FLA
FLB
*8
FLC
R1A/R2A
R1C/R2C
FM AM CC
Frequency
Ammeter
meter
Ammeter or voltmeter
+DC -DC
*2
*4
PB
PC/-
DC reactor
U/T1
*1
Power
V/T2
circuit
W/T3
filter
DC/DC
F
R
RES
S1
S2
S3
S4
Control
6
S5
*
circuit
CC
P24
SINK
FP
PLC
SOURCE
SW1
PLC
*5
STOA
STOB
RX
II
RR PP
External potentiometer
(Or, input voltage signal of 0 - 10 V between the terminals [RR] and [CC])
2-28
E6582062
*3
Motor
M
Digital input
Fwd run
Rev run
*7
Reset 1
Preset speed switching 1
Default
Preset speed switching 2
setting
Preset speed switching 3
Preset speed switching 4
Preset speed switching 5
Common
Pulse counter
Voltage signal: -10 to +10 V
Current signal: 4(0) to 20 mA

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