4-8 PCS2 Service Manual
PN 52025-00 Weigher Arm
Note: Use the following calibration procedure if the unit has a
PN 52025-00 Weigher Arm installed.
1. Power on the PCS2 into the Utilities mode of operation by pressing
and holding the PLASMA key during power up until the Utilities
menu appears.
2. Select the Calibration mode by pressing the DRAW key. Toggle the
“write protect” switch on the Processor Card when instructed.
(Remove rear panel access.)
3. Select the A/D Calibration by pressing the DRAW key.
4. Select the Weigher by pressing the MODIFY key once until the cursor
is pointing to Weigher.
5. Extend the weigher arm out until it is perpendicular to the machine’s
chassis. (Ensure no weight is hanging on the arm.)
6. After the weigher Input value stabilizes, press the DRAW key to store
the Offset value. (Now both Offset value and Input should be equal.)
7. Calibrate the weigher Full Scale value by following the appropriate
procedure below:
W
eigher Calibration When Using Collection Bottles
a) Suspend a calibrated 1000 gram weight from the center of the
bottle area by hanging the weight between the weigher arm fingers
using string or a rubber band of minimal weight and thickness.
Place the string or rubber band over the weigher arm fingers so
they are centered within the calibration notches. (See Figure 4-4
below.) The string or rubber band thickness should be small enough
to allow it to center within the calibration notches, but strong
enough to securely hold the weight.
1000 gram
weight
String or
rubber band
Calibration notch
Figure 4-4, PN 52025-00 Weigher Arm (Top View)
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