Unitec Peco HF25A, Руководство пользователя

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APPENDIX D: LVDT OPTION
HF25 DC RESISTANCE WELDING SYSTEM
990-333 D-9
Section V. Operating Instructions
Introduction
The LVDT is an option that can be added to a standard Control. LVDT functions are programmed
using the Control front panel controls and the LCD screen.
LVDT Main Screen
1 From the
LVDT
keys section on the
front panel, press the
DISTANCE
key and the screen on the right
appears.
NOTES:
LVDT POSITION +092 3600277
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
SCHEDULE or DISTANCE edit, RUN Run
•
POSITION
in the top row indicates the position of the top electrode relative to the bottom
electrode.
This screen shows
+092
,
which means that the top electrode is 0.092” away (up) from the
bottom electrode. The 7-digit number on the right side of the screen (
3600277
in this
example) indicates the number of welds made.
•
The xx% number shows the displacement as a percentage of the initial thickness
•
The xxxx after the
WELD TO
limit shows the time at which the limit was reached.
•
The large
1
indicates which weld schedule is currently selected.
•
SCHEDULE
in the bottom line indicates that you press the
SCHEDULE or DISTANCE
button
in order to edit the LVDT screen.
•
In order to get accurate initial thickness readings, squeeze time must be set to
at least 1 msec.
1