IS-200A
3. Name and Functions of Each Section
3-2
3) [START] lamp (Green LED)
This lamp remains lit while the start signal is input.
4) [WELD] lamp (Green LED)
This lamp remains lit while the welding current is flowing.
5) [TROUBLE] lamp (Orange LED)
This lamp lights when an error is detected. At this time, the program unit emits a
beeping sound, and the Power Supply operation is interrupted.
6) [TROUBLE RESET] key
If this key is pressed while the [TROUBLE] lamp is lit, the lamp is turned off.
The [TROUBLE] lamp lights up again, however, as long as the error remains
uncorrected. Eliminate the cause of the error before pressing this [TROUBLE
RESET] key.
If the [TROUBLE] lamp lights up during operation, press the [TROUBLE
RESET] key, then input the start signal again; operation will then resume.
7) [WELD ON/OFF] key
This key is one of those required to activate the [READY] lamp.
Pressing this key alternately lights and shuts off this lamp. When the key is
toggled on, the [READY] lamp lights, and when the key is toggled off, the lamp is
turned off. Hold down this key to toggle ON and OFF.
8) Welding Current Input Breaker Lever
Raise the lever to supply power and lower it to shut off power.
9) [RS485/RS232C] connector
For external communication. (See 10. External Communication Function.)
10) [PROGRAM MONITOR I/O] connector
Connects to Program Unit MA-627A. Used for welding schedule setting and/or
reviewing monitor results.
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