CHAPTER 4: CONTROLS
MODEL HF2 2 kHz HIGH FREQUENCY RESISTANCE WELDING POWER SUPPLY
4-2
990-057
[PROG]
In the RUN State, press [PROG] to enter the Graphical PROGRAM State to make
changes to the selected weld schedule fields. Press [PROG] a second time to
make changes using the Alphanumeric PROGRAM State. Press [PROG] a third
time to make changes to the Weld Sentry programs related to the selected weld
schedule. Press [PROG] a fourth time to return to the HF2 Graphical Program
screen.
[RUN]
In the PROGRAM State, press [RUN] to exit the PROGRAM State without
saving the changed weld schedule. The changed weld schedule will become
Weld Schedule 0 and will not be written to permanent memory. Welding parts is
done in the RUN State.
[RUN]
In the MENU State, press [RUN] to exit the MENU State and begin welding
parts.
[SAVE]
In the PROGRAM State, press [SAVE] to save the selected weld schedule and its
related Weld Sentry programs to permanent memory. The HF2 Weld Control will
then automatically exit the PROGRAM State and return to the RUN State.
[SAVE] has no function in the RUN State.
[MENU]
In either the RUN or PROGRAM States, press [MENU] to provide a menu list of
user options which are common to all weld schedules.
[HELP]
Press this key whenever you need HELP or additional information on any user
menu option or flashing user programmable field. The HF2 contains a built-in
operating manual. Press [HELP] a second time to return to the original State.
[CHNG]
In the PROGRAM State, press [CHNG] to restore the previous contents of a user
programmable field.
[CHNG]
In the MENU State, press [CHNG] to select different menu options.
[CHNG]
In the RUN State, press [CHNG] to change the Graphical RUN State screen to the
Alphanumeric RUN State screen.
[ENTER]
Press [ENTER] after keying in numeric program data.
WELD/NO WELD Weld current will not flow when this switch is in the NO WELD position.
SWITCH
However, operation in the NO WELD switch position permits the HF2 to initiate
and execute a complete welding sequence without weld current flowing.
Operating the HF2 in the NO WELD position is required to adjust Unitek Peco
Weld Heads. This switch must be in the WELD position in order to make a weld.