Rapid-Air SERVO FEED WITH CUT-TO-LENGTH: 100, 200 & 300 SERIES - Manual (Page 21)

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Pressing the F1-batch counter key allows the operator to preset a batch count.
Pressing the F2-total counter key resets the total count to zero. This cannot be
undone so be sure that the counter should be reset to zero before pressing F2 key.
Pressing the F4 key brings up the following screen.
SELECT RAMP/COUNTERS
F1=BATCH/TOTAL COUNT
F2=ACCEL/DECEL RAMPS
F4=EXIT TO MAIN MENU
The only section that has not been covered in this write-up is the ramp adjust mode.
The ramp adjusts how fast the servo motor gets up to speed and how fast it stops.
This feature is an asset that is seldom adjusted but can be a sure cure if material
slippage seems to be a problem. With the main menu screen displayed the key
labeled ramp is active. Pressing the ramp key produces this display.
RAMP PARAMETER MODE
F1=ACCEL% F2=DECEL%
F3=PERCENT MAX SPEED
F4=RETURN RAMP/COUNT
PRESS F1 OR F2
Pressing the F1 or F2 keys will produce one of the following displays. The lower the
number entered, the longer the ramp cycle. Press F1 or F2 now.
ENTER IN %ACCEL RATE ENTER IN %DECEL RATE
MAX%=75000 RPM/SEC MAX%=75000 RPM/SEC
MAX ACCEL%=XXX% MAX DECEL% = XXX%
F4=EXIT %ACCEL MENU F4=EXIT %DECEL MENU
The ramp usually is factory set at .015 on the series 100 drives and .035 on the series
200 & 300 drives. There is some deviation to this when the factory runs the unit, but
this is a basic starting point.