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CHAPTER 5: OPERATING YOUR POWER SUPPLY
select will depend on the welding load; that is,
the total resistance of the welding transformer
secondary circuit, including the weld pieces. To
set the gain:
1.
Press the MODE key twice to access
the Mode Selection extension display
screen (217 Power Supply display screen shown).
2.
With the CURSOR keys, move the cursor to the C—GAIN field.
3.
With the DATA keys, select a gain of 0 through 9 (0 through 5 for the IP-217A). Use
0 gain for normal operation. Increase gain as the resistance of the transformer
secondary load rises. As resistance rises, weld current rise time increases, resulting in
poor welding performance unless you compensate the rise time increase by increasing
gain.
Activating the Data Output Port
The optional RS-485 connector on the Power Supply rear panel can supply weld schedule and
weld performance data to a host computer. To activate the port, if it is installed:
1.
Press the MODE key twice to access the Mode Selection extension display screen, as
shown in the previous section.
2.
With the CURSOR keys, move the cursor to the D—OUT field.
3.
With the DATA keys, scroll the state from OFF to ON. The data port will now feed a
stream of data to the host computer when data transfer is initiated by the host
computer.
NOTE: Keep the D—OUT = OFF setting if the data output option is not installed
or when it is not communicating with a host computer.
IP-215A/IP-217A FINE SPOT WELDING POWER SUPPLIES
5-10
993-603 REV A: October, 1995
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