Toshiba VF-nC1 instruction manual Description of terminals, Main circuit terminals

E6581090

2.3Description of terminals

2.3.1Main circuit terminals

This diagram shows an example of wiring of the main circuit. Use options if necessary.

■Power supply and motor connections

2

Power

supply

VF-nC1

Powerlines are

Motorlines are connected

connected to R, S and T.

to U, V and W.

Motor

or

or

R/L1

S/L2

T/L3

U/T1

V/T2

W/T3

No-fuse

breaker

E

■Connections with peripheral equipment

No-fuse	Magnetic	Input
breaker	contactor	reactor

Power supply

Noise reduction
filter				Motor
R/L1		Inverter	Ｕ/T1
				IM
S/L2			Ｖ/T2
T/L3			Ｗ/T3
				Zero-phase
PC/-	PA/+	PO
				reactor

			DC reactor
■Main circuit
	Terminal symbol		Terminal function
		Grounding terminal for connecting inverter case. 2 grounding terminals.
	R/L1, S/L2,	100V class: 1-phase 100V to 115V - 50/60Hz
		200V class: 1-phase 200V to 240V - 50/60Hz, 3-phase 200V-240V - 50/60Hz
	T/L3
		*1-phase series have R/L1 and S/L2 terminal.
	U/T1, V/T2,	Connect to a (3-phase induction) motor
	W/T3
	PC/-	This is a negative potential terminal in the internal DC main circuit.
		Terminals for connecting a DC reactor (DCL: optional external device).
	PO, PA/+	Shorted when shipped from the factory. Before installing DCL remove the short
		bar.
		1-phase 100V models cannot be used with DC reactors. 1-phase 200V models
		for Europe are not provided with PO terminal.

B-7