Owner's manual

TROUBLESHOOTING 10-13
1557-UM050F-EN-P – June 2013
Typical waveforms
16.67ms
0V
(13-20V)
(2.5V-3.5V)
(-0.5V)
5 volts/cm 2.5 µs/cm
SCR Gate to Cathode Voltage
(13V-18V)
(-0.5V)
(2.5V - 3.5V)
0V
Tau = 5us
5 volts/cm 2.5 µs/cm
SCR Gate to Cathode Firing Voltage