Unitec Peco HF25A, Руководство пользователя

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APPENDIX D: LVDT OPTION
HF25 DC RESISTANCE WELDING SYSTEM
D-10 990-333
Scrolling Through Fields on the Screen
1 Press the
SCHEDULE
button to scroll
left
↔
right across the columns.
2 Pressing the
VW
buttons to scroll up
or down the rows on the screen.
Example : Going down 2 rows, and right
one column highlights
DISPC HI LIM .
LVDT POSITION +092 0000000
LO LIM HI LIM LAST
INITIAL +000 000 +000 CONT
FINAL +000 +000 +000
DISPLC +000 000 +000 XX%
STOP ENERGY AT 000 XXXX IN/1000
NEW ELECTRODE: IS SET
VW
Scroll, SCHEDULE Select, RUN Run
Set New Electrodes to “Zero”
The LVDT must have a
zero reference point (for example, when the two electrodes touch each other,
there is zero distance between them). All distances calculated by the LVDT are measured from this
zero . When you change electrodes in your weld head or agressiveley clean the electrodes, the electrodes
may not be in the same exact position as the old electrodes, so zero may no longer be the same, therefore
you must set a new zero . There are two ways to set a new zero : Either perform the quick calibration
procedure detailed above or perform the new zero procedure detailed below. The preferred method is to
set a new zero and recalibrate as detailed above.
To set a new zero
without recalibration:
1 From the
LVDT
keys section on the
front panel, press the
NEW
ELECTRODE
key and the screen on
the right appears.
2 During the next weld, the initial
position will be set to 0.
LVDT POSITION +092 0000000
LO LIM HI LIM LAST
INITIAL +000 000 +000 CONT
FINAL +000 +000 +000
DISPLC +000 000 +000 XX%
STOP ENERGY AT 000 XXXX IN/1000
NEW ELECTRODE: NEXT WELD xx
SCHEDULE or DISTANCE Edit, RUN Run
3 The screen should now show
NEW ELECTRODE: IS SET.
Changing from Inches to Millimeters (
MM
)
Before programming LVDT screens, select
inches (
IN
) or millimeters (
MM
) as your units of
measurement. The default is
IN
. To change to
MM
:
1 Press the
VW
buttons to scroll down
to the
STOP ENERGY AT
line.
LVDT POSITION +092 0000000
LO LIM HI LIM LAST
INITIAL +00.00 00.00 +00.00 STOP
FINAL +00.00 +00.00 +00.00
DISPLC +000 000 +000 XX%
STOP ENERGY AT 000 XXXX IN/1000
NEW ELECTRODE: IS SET
SCHEDULE or DISTANCE Edit, RUN Run
2 Press the
SCHEDULE
key to scroll right to highlight
IN/1000
.
3 Press the
PEAK/AVERAGE
key to change to
MM
. This will change all fields to mm . Limits
and last measurement data will be zeroed.
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