AutoSet User Manual
1137200
Introduction
1-5
Calibration
AutoSet must be calibrated before use. To calibrate the unit, you first load the press to a
known tonnage, using load cells connected to an independent load monitor that you know will
give correct readings. You then adjust the tonnage readings on AutoSet until they match the
tonnage readings on the independent load monitor. Instructions for calibrating AutoSet are
provided in Chapter 3.
AutoSet Operation
AutoSet creates and displays setpoints automatically based on settings you make inside the
AutoSet enclosure. On standard AutoSet 1500 and 1504 units, you make two settings: sample
period and percent high tolerance. On AutoSet 1500 Plus and 1504 Plus models, you make
three settings: sample period, percent high tolerance, and percent repeatability tolerance.
The sample period is the number of strokes during which AutoSet collects tonnage
information to use in calculating setpoints. Percent high tolerance is the percentage above the
measured load at which AutoSet establishes high tonnage setpoints. Percent repeatability
tolerance is the percent of stroke-to stroke variation in the measured load at which AutoSet
establishes repeatability setpoints.
AutoSet uses the settings you specify for percent high tolerance and percent repeatability
tolerance to calculate setpoints for all dies used on the press. (If you want different settings
used for individual dies, you must change settings.) AutoSet displays the results of its
calculations in the Setpoints LED displays on the front panel. Two setpoints are shown for
1500 and 1500 Plus AutoSets, four setpoints for 1504 and 1504 Plus units.
Only high setpoints are displayed on standard AutoSet 1500 and 1504 units. On AutoSet
1500 Plus and 1504 Plus models, either high or repeatability setpoints are displayed,
depending on the position to which you set the DISPLAY switch (i.e., “HIGH” or
“REPEATABILITY”).
During the sample period, setpoints are maintained at 120% of the full-scale capacity of the
press to provide overload protection.
AutoSet calculates new setpoints whenever the RESET button is depressed for at least two
seconds (1500 and 1504 AutoSets) or the DISPLAY switch is turned to “RESET” and held for
at least two seconds (1500 Plus and 1504 Plus units). Setpoints are displayed after the sample
period is completed. AutoSet also calculates new setpoints whenever you change the percent
high tolerance or percent repeatability tolerance setting.
Complete instructions for setting the sample period, percent high tolerance, and percent
repeatability tolerance on AutoSet are provided in Chapter 4.
AUTOSET SETPOINTS NEVER EXCEED 120%
AutoSet will not create setpoints greater than 120% of the full-scale capacity of the press.
NOTICE
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