Toshiba VF-A7 instruction manual Control Circuit

[Standard connection diagram for sink logic(minus common)]

200V class: 30～55kW
400V class: 30～75kW
DC reactor (DCL)				External braking resistor (Optional)
				（Refer to 6.13.4	for details）
*2 (Optional)
				Installation of a dynamic braking drive
Main circuit power supply
				circuit inside the	inverter is required.
200V class（30～55kW）：
3-phase 200～220V-50Hz
200～230V-60Hz	PO	PA	PB	PC
400V class（30～75kW）：
3-phese 380～440V-50Hz
380～460V-60Hz

MCCB	R/L1					U/T1		Motor
	S/L2		Main	circuit		V/T2		IM
	T/L3					W/T3
		R0	Control				F	Forward
	＊１
		S0	circuit				R	Reverse
	＊４	(R20)					ST	Standby
	＊３								Factory
*1: Connect a power source for		(S20)					RES	Reset	default
the control circuit.		FLA	＊４				S1	Preset	settings
*2: The inverter is shipped with
the terminals PO and PA		FLB		Control panel				speed 1
shorted with a bar. Remove			FL				S2	Preset
this shorting bar when		FLC						speed 2
installing a DC reactor (DCL).							S3	Preset
*3: Power output for the control								speed 3
		P24
circuit, which is provided			Connector for		SINK		S4	Preset
only for the 400V 37kW
	Ry	OUT1	common serial		SOURCE			speed 4
and larger models.			communication
							CC	Common
Single-phase
			RS485 connector
207.5～220V-50Hz	Ry	OUT2						Current	signal
207.5～230V-60Hz			for serial				ＩＩ
(10VA)		G/E	communication					：4～20mA
		FP FM AM CC		RX VI	RR PP

＋ ＋ ＋

Digital Frequency Ammeter

voltmeter meter

－ － －

Voltage signal：-10～+10V

Voltage signal：0～10V

Voltmeter or ammeter

*4: Connections of control power cables by voltage for the

400V 37kW and larger models.
Single-phase 415～440V-50Hz	Single-phase 380～415V-50/60Hz
415～460V-60Hz

External potentiometer

(or voltage signal between RR and CC: 0～10V)

R46

R41

S0

R20

Control

circuit

R46

R41

S0

R20

Control

circuit

S20 S20

B-4