Amada Miyachi Unitek STA-100A, Руководство по эксплуатации, Страница: 37 / 154

CHAPTER 3: USING STA SERIES CONTROL FUNCTIONS
STA SERIES AC CONTROLS
990-351 3-9
Section VI: Mode Screen
Press the
MODE
button on the Control Panel to get this screen.
The
MODE
screen is used to set up various
parameters used in welding. The
Weld Mode
screen consists of the settings shown on the
right.
SCHEDULE # 01 MODE
START=MAINTAINED
WELD MODE=SPOT WELD
LINKED SCHED

GO TO SYSTEM VALUES SCREEN 1

GO TO SYSTEM VALUES SCREEN 2

GO TO SYSTEM VALUES SCREEN 3

SCHEDULE #
- The schedule number is used to select the schedule for making parameter settings.
Entering a particular schedule number will cause the previously selected parameters for that schedule to
be displayed. The schedule is programmable from
00
to
63
.
The
PROGRAM/SAVE
pushbutton toggles between the
Program
and
Run Modes
. Placing the system in
the
Run Mode
automatically saves the currently displayed values for the schedule.
If any changes have been made in any data field,
the system will prevent the operator from
changing to a different schedule until the
changes have been accepted or rejected. The
operator will get the following message:
MODIFIED SCHEDULE NOT SAVED.
PRESSING THE PROGRAM/SAVE KEY SAVES
MODIFICATIONS, THEN PRESS DESIRED
SCREEN BUTTON AFTER SAVING.
OR PRESS PLUS OR MINUS KEY TO LOSE
MODIFICATIONS
If no data field has been changed, the software shall allow control buttons on the panel to function.
Entering a new
SCHEDULE #
shall cause the Control to switch to that new schedule and display it on the
screen.
START
– This control determines how the Control reacts to an external
Start
signal. A different type of
start signal can be set for each schedule. It can be set for
PULSED, LATCHED, MAINTAINED
, or will
appear as
SEAM
if the unit is a seam welder.

If set for
PULSED
, the
Start
signal need only be held until
Squeeze Delay
(
SQD
) is completed.

If set for
LATCHED
, the
Start
signal need only be held until
Squeeze
(
SQZ
) is completed. If
SQZ
is used, and the
Start
signal is interrupted before
W1
or
W2
begins, the control will abort
the schedule being fired.

If set for
MAINTAINED
, the
Start
signal must be maintained throughout the entire process from
SQZ
to
Hold
(
HO
) or the process will abort. When in
SEAM START
mode, the weld can be
aborted during
SQD
time by releasing the
Start
signal. If the
Start
signal is held beyond the end
of
SQD
time, the seam schedule will begin by initiating
SQZ, UP1
, and
W1
, (if so programmed).
The
CO, UP2
, and
W2
sequence will then be repeated until the
Start
signal is released. When
the
Start
signal is released,
CO, UP2
, and
W2
will run to completion and the schedule will
conclude with
HO
and
OFF
times. (See Appendix D, System Timing for details . )