CHAPTER 3: OPERATING INSTRUCTIONS
SERIES 300 FAST RESPONSE WELD HEAD SYSTEM
990-115
3-15
The
■
SYSTEM HELP Selection
System Help provides detailed descriptions of all
hardware features on the Weld Head Control. From
the MAIN MENU screen, select
#
SYSTEM HELP.
The SYSTEM HELP screen will appear. Select the
desired topic, then press [ENTER]. Use the
[
◄▲▼►
] keys to review each page.
The
■
CALIBRATION Selection
Please observe the
NOTE
,
CAUTIONS
and
WARNINGS
in this section.
NOTE:
The Weld Head and Weld Head Control are calibrated together at the factory and are not
interchangeable. If they are interchanged, calibration will be nullified.
CAUTION:
The Weld Head Control can be calibrated only by a qualified electronics technician since
the Weld Head Control cover must be removed to provide access to the adjustments while AC power is
ON.
1 Set the POWER switch on the rear panel of the Weld Head Control to OFF.
WARNING:
Be sure to observe the instructions given in Step 2. If you do not perform Step 2,
or you perform it improperly, you could be seriously injured. Up to 230 VAC could be present
in the chassis area.
2 Disconnect the AC input power to the Weld Head Control.
3 Remove the Weld Head Control Cover.
WARNING:
Be extremely careful when reconnecting the input power. Up to 230 VAC could
be present in the chassis area.
4 Reconnect input power to the Weld Head Control and set the POWER switch to ON.
5 From the MAIN MENU screen, select
#
CALIBRATION and press [ENTER]. This accesses the
PRE-CALIBRATION screen. Disregard the password message. See the HELP screen for further
instructions.
6 Locate the Weld Head Control printed circuit board, positioned on the right-hand side of the Weld
Head Control. Follow the calibration instructions listed on each screen page. The only tools you
will need are a flat-bladed screwdriver and voltmeter for making the potentiometer adjustments.
SYSTEM HELP
■
KEYBOARD
■
CONTROL SIGNALS
■
RELAY OUTPUTS
■
REVIEW HELP
◄▲▼►
Select then ENTER
Summary of Contents for 300 Series
Page 1: ...990 115 REV Q ELECTRONIC WELD HEAD CONTROL 300 Series OPERATION MANUAL ...
Page 8: ...SERIES 300 FAST RESPONSE WELD HEAD SYSTEM viii 990 115 ...
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