58
14.2External Signal System Diagram
Approx. 0 to 14 V
(0.3 to 6.5 m/min.)
Welder
200/220-V
selector switch
FG
Ground the welder.
Ground the
base metal.
Manipulator Control Panel
Welding current I
P
Base current I
B
Approx. 0 to 9 V
Start signal
(Operates at contact ON. 24 VDC, 0.1 A or more)
Current detection output signal (Contact rated
capacity: 24 VDC 50 mA or less)
Pulse synchronous output signal (Photocoupler
rated capacity: 30 VDC 20 mA or less. Pay attention
to the polarity.)
Welding voltage output signal
Analog voltage
within 0 to ±10 V
Motor reverse run
Motor forward run
Motor speed reference
Insulation power supply
200/220 VAC,
3 phases,
50/60 Hz input
otes:
1. Be sure to ground the welder and the base metals.
2. High DC voltage is approx. 6,000 V. Pay enough attention to electric shock.