Hitachi Complete Wiring Diagram and Insights for Variable Frequency Drives

4−5

Example Wiring Diagram

The schematic diagram below provides a general example of logic connector wiring, in addition to basic power and motor wiring converted in Chapter 2. The goal of this chapter is to help you determine the proper connections for the various terminals shown below for your application needs.

Breaker,
MCCB or GFI			X200
Power source,		R		U
		(L1)		(T1)	Motor
3-phase or 1-		S		V
phase, per
		(L2)		(T2)
inverter model		T		W
		N(L3)		(T3)
				PD/+1	DC reactor
Intelligent inputs,					(optional)
5 terminals		P24	+ - 24V
				P/+
	Forward
NOTE: For the wiring
		1
of intelligent I/O and					Braking
analog inputs, be sure	Reverse
to use twisted pair /		2	Input	N/-	unit
shielded cable. Attach					(optional)
the shielded wire for			circuits
each signal to its		3
respective common
terminal at the inverter
end only.		4
				AL1	Relay contacts,
		5	[5] configurable as	AL0	type 1 Form C
			discrete input or
Thermistor		PLC	thermistor input	AL2
		L
GND for logic inputs
				Open collector output
Meter			Output circuit	11	Freq. arrival signal
					Load
		AM			+
Analog reference					-
		H		CM2
					GND for logic outputs
0~10VDC
		O
	4~20mA	OI
		L
GND for analog signals

Operations and Monitoring