IS-120B
5. Connection Procedures
5-3
2
)
Connecting the power cable.
Connect the power supply to the
Welding Power Supply Breaker
on the rear
panel and ground the [
PE
] terminal (See
10.(3)Separately Sold Items
).
3)
Connect the necessary cables to
Connecting terminal block for
external input/output signal
(See
6.Interface
).
4) Connecting the program unit.
Connect the control cable to the
[PROGRAM UNIT] connector
on the front
panel.
Observe the following procedures only when other manufacturer's trans-
former is used.
5) Connecting a toroidal coil for secondary current detection.
Connect a toroidal coil to
[TOROIDAL COIL] connector
on the front panel.
(Do not connect a toroidal coil when Miyachi's transformer is used.)
6) When there is thermo sensor in weld trans.
Connect to thermo input terminal (Terminal No.26) of External Input /Output
Signals (See
6. Interface
).
