Hitachi SJ700-2 Series - Manual (Page 45)

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