IS-300A
5. Installation and Connection
5-9
When using another manufacturer's transformer
1) Connection to the transformer’s input terminal block
Use the output cable to connect the welding power output terminal block on the
Power Supply’s rear panel with the welding transformer’s input terminal block.
For the connection to the welding transformer, refer to the operation manual for
the welding transformer.
2) Connecting a toroidal coil for secondary current detection
Connect a toroidal coil to the COIL IN connector on the front panel.
3) When there is thermo sensor in the welding transformer
Connect to the thermo input terminal (Pin 20) for External Input/Output Signals.
(See 6. Interface.)
4) When detecting the secondary voltage
Connect the voltage detecting cable to the voltage input terminal (Pins 38 and
39). (See 6. Interface.)
5) 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. (2) Options (Sold Separately).)
6) Connect the necessary cables to the Connecting terminal strip for External
Input/Output Signal
(See 6. Interface.)
7) Connecting the Program Unit
Connect the circuit cable to the PROGRAM MONITOR I/O connector on the
front panel.
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