Control Power Supply; Control Signal; The Check Of Control Power Supply Voltage And A Control Signal - Hitachi SJ700-2 Series Service Manual

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

4.1 Control power supply

Item
PV5 +5V power supply
PV12 +12V power supply
Nv12 -12V power supply
PV24 +24V power supply

4.2 Control signal

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