IS-200A
4. How to Operate Screens
4-2
(a) LCD CONTRAST
Sets the screen contrast. The contrast can be set in a range from 0 to 7. The
larger the value, the darker the screen. Adjust the contrast if the screen is
difficult to view.
(b) CONTROL #
Input the identification No. of your Power Supply.
If you have two or more Power Supply units, input 01 for the first one, 02 for the
second one, 03 for the third one, and so on.
(c) PROGRAMMED DATE
Input the date on which a schedule is set as data. The date does not affect the
set schedule. When the Power Supply memory is initialized, the date is also
initialized to the date on which the ROM version is created.
(d) WELD TRANS FREQUENCY
Change the output frequency of the inverter power supply for the Power
Supply. (Fixed to 2,000 Hz and cannot be changed.)
(e) POWER SOURCE FREQUENCY
The frequency of the welding power is measured and indicated automatically.
(f) MA-627A ROM VERSION #
Indicates the ROM version No. of program unit MA-627A.
(g) IS-200A ROM VERSION #
Indicates the ROM version No. of the Power Supply.
(Note) The Power Supply writes data into the flash memory on the control board
when a setting is changed or a schedule data is copied. The [READY] lamp
on the front panel and the external READY signal are turned off during
writing. Check that the [READY] lamp is turned on to start welding. It takes
about 2 seconds at longest to write data into the flash memory.
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