Hitachi SJ700-2 Series service manual Control signal, Vdc

4.The check of control power supply voltage and a control signal 4.1 Control power supply

	Item	Tolerance level			Measurement place
				+			-
PV5 +5V power supply		4.5-5.5V		J1 connector 5pin,6pin			Control terminal L
PV12 +12V power supply		10.8V-13.2V		J1 connector 3pin			Control terminal L
Nv12 -12V power supply		-13.2V--10.8V		J1 connector 4pin			Control terminal L
PV24 +24V power supply		21.6V-26.4V		J1 connector 2pin,3pin		Control terminal CM1
				Control terminal P24
4.2 Control signal
Signal	Measurement place	The controls of operation					Observation waveform
		A main circuit direct-current voltage detected
VDC	J1 connector 32pin-L	signal				Direct-current voltage
		VDC=6.396V/400V*VPN(200Vclass)
		VDC=6.396V/800V*VPN(400Vclass)
										3.3V
IUF	J1 connector 31pin-L	A motor current detected signal
		At the time of	inverter rated load:About 3.3V								0V
IWF	J1 connector 30pin-L
		peak.
										－3.3V
		The signal at the time of carrying out a trip by the				Direct-current voltage
TRIP	J1 connector 17pin-L	trip factor which a gate array judges (P3-1
		reference)
PHF	J1 connector 37pin-L	Phase failure protection detected signal				Direct-current voltage
		Normal:5V(H)
		Phase failure detection :about 0.5V(L)
		The instantaneous power failure signal of R0-T0
IPL	J1 connector 33pin-L	part.				Direct-current voltage
		Power On :about 0.5V(L)
		Power Off : 5V(H)
		Power-module protection				Direct-current voltage
GS	J1 connector 36pin-L	Under operation :about 5V(H)
		Under a stop :about 0.5V(L)
US	J1 connector 15pin-L	PWM signal				5
						3.5
VS	J1 connector 35pin-L	Upper arm ON :about 3.5V(L)
						0
WS	J1 connector 36pin-L	Lower arm ON :about 5V(H)						Upper arm	Lower arm
								ON	ON
		The trip distinguished by GA is canceled.				5
TRES	J1 connector 40pin-L	Normal :about 5V(H)				0.5
		Under reset :about 0.5V(L)				0
								Reset	Reset

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