OM-212296 Page 29
Auxiliary Menus (Continued)
•
Auxiliary Menu (Continued)
6
Lock Hold
The Lock Hold feature only works when
locks are active, and provides the user with
the ability to adjust voltage, amperage, or
wire feed speed within set limits while weld-
ing. When welding stops, voltage, amper-
age, or wire feed speed adjusted while
welding reverts back to the values preset
prior to the weld start. If the Lock Hold fea-
ture is turned off, then while welding, adjust-
ments made to the preset values while
welding become the preset
.
7
Number of Programs
The number of programs is indicated by
“NUMB” is shown in the upper display and
“PROG” is shown in the lower display. The
active program number (1 through 12) is
shown in the Program display. Use the Ad-
just control to change the active program.
.
If locks are active, only those programs
with locks are accessible and the lock
LED will be on. To quickly enable or dis-
able the locks for all programs, press
the upper and lower display push but-
tons at the same time.
8
Wire Drive Motor Type
There are four types of motor drives avail-
able, RAD−400 with tach, RAD−400 with-
out tach, RAD−780 with tach, and
RAD−780 without tach. When selecting the
RAD−400 with tach, ”RAD” will be dis-
played in the upper display and ”400” will be
displayed in the lower display. When select-
ing the RAD−780 with tach, ”RAD” will be
displayed in the upper display and ”780” will
be displayed in the lower display. When se-
lecting the RAD−400 without tach or
RAD−780 without tach, ”NO” will be dis-
played in the upper display and ”TACH” will
be displayed in the lower display.
9
Wire Drive Motor Direction
The motor direction is indicated by ”MOTR”
is displayed in the upper display and ”RIGT”
or ”LEFT” is displayed in the lower display.
Changing between ”RIGT” and ”LEFT”
changes the direction of the motor.
10 Parallel Kits
The number of paralleling kits is indicated
by ”PRLL” in the upper display, ”KITS” in the
lower display, and the number of kits in the
Program Display. When paralleling two
power sources with a Miller Paralleling Kit,
select ”1” in the Program Display. When us-
ing one power source per HDC 1500DX,
set the number of paralleling kits to ”0” in the
Program Display.
11 SB1 and SB2 Relays
The contact closure of the SB1 and SB2 is
indicated by ”RLAY” in the upper display.
When the HDC 1500DX is powered off, the
SB1 and SB2 relay closures are open.
When the HDC 1500DX is powered on, if
”NOPN” is displayed in the lower display,
the SB1 and SB2 relay contact closures act
as normally−open. When the HDC 1500DX
is powered on, if ”NCLS” is displayed in the
lower display, the SB1 and SB2 relay con-
tact closures act as normally−closed.
12 Motion Control
Motion control is indicated when “MOVE” is
shown in the lower display. Motion control
is used to set when SB1 engages. When
“BUTN’ is shown in the upper display, SB1
will engage when the start button is pressed
and preflux has timed out. When a positive
time is selected, SB1 will engage when the
selected time has elapsed after an arc is es-
tablished. When a negative time is se-
lected, SB1 will engage when the start but-
ton is pressed, but the weld sequence will
not start until the selected time has elapsed.
13 Remote Program Select
Remote program select is indicated when
“PSEL” is shown in the upper display. Use
Adjust control to selected “ON” or “OFF”.
See Section 7 Remote Program Select for
more information.
14 Arc Time
When “H1” is shown in the program display
the total number of arc hours is shown in the
lower display, wrapping to the upper dis-
play. When “H2” is shown in the program
display, the resettable number of arc hours
is shown in the lower display, wrapping to
the upper display. The resettable number of
arc hours “H2” is reset by pressing both the
upper and lower display buttons at the
same time. The total number of arc hours
“H1” cannot be reset. The number following
the decimal point in the lower display shows
the number of minutes.
15 Cycles
When “C1” is shown in the program display,
the total number of arc cycles is shown in
the lower display. wrapping to the upper dis-
play. When “C2” is shown in the program
display, the resettable number of arc cycles
is shown in the lower display, wrapping to
the upper display. The resettable number
of arc cycles “C2” is reset by pressing both
the upper and lower display buttons at the
same time. The total number of arc cycles
“C1” cannot be reset.
16 Software Revision Level
When “DREV” is shown in the upper dis-
play, control board PC20 revision level is
shown in the lower display. Press the upper
display button and “MERV” will now be dis-
played in the upper display, and the motor
control board PC1 revision level will be dis-
played in the lower display.
17 Reset To Factory Settings
To access reset menu and reset factory de-
fault settings, proceed as follows: simulta-
neously press the Program, Sequence, up-
per display, and setup buttons. “WIPE” is
displayed on the upper display, and “OFF”
is displayed on the lower display. The lower
display button LED is also lit. Turn Adjust
control or push lower display button to
change lower display from “OFF” to “ON”,
and simultaneously press the Program, Se-
quence, upper display, and setup buttons
again. All parameters except arc time and
cycle count are now reset to factory default
settings.
If a reset is not desired, turn Adjust control
until lower display shows”OFF”, and simul-
taneously press the Program, Sequence,
upper display, and setup buttons.
6-11. Operation Of HDC In Normal Mode
The HDC is factory set in normal operating mode. In normal mode, the HDC will function with the models and motors listed below. See Section 5-14
for more information.
Models
Subarc AC/DC 1000
Dimension 1250
Subarc AC/DC 1250
Subarc DC 650
Dimension 652 Subarc
Subarc DC 800
Dimension 812 Subarc
Subarc DC 1000
Dimension 1000
Subarc DC 1250
Motors
RAD 400
RAD 400, RAD 780 with no tach
RAD 780
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