MC³ 24.96.EX O&M Manual Page 49 08/14/01 4:34 PM/LDD
Calibration Menu
The display will show the password entry screen. A four digit numeric password must be entered
at this time. The Calibration Password may be modified by selecting the “Passwords” Menu Option
from the Diagnostics Menu. See PASSWORD PROTECTION on page 7 for complete instructions
on changing the Calibrate Password. The default (unmodified) value of the Calibrate Password is
1234. While entering the password an asterisk (*) will appear for each digit entered. If the correct
password has not been entered you will be prompted again for the Calibration Password. If the
correct password has been entered the Calibration menu will be displayed.
NOTE: You may run any of the calibration procedures at any time, but if the logical input Calibr. Access is
OFF you will not be able to accept and change any results. See List of Logical Inputs, on page 37.
Speed Calibration
This procedure is used to set the pulses per revolution of the feeder belt for accurate
indication of speed. The belt length must be measured and entered before you run this
procedure. If there are two tachos attached to the feeder, this procedure will also set the
ratio between the two tachos.
The first screen to appear will show you the current setting of Pulses / Rev (page 28) and the #
Speed Revs (page 28). See Belt Parameters on page 28 for information regarding changing those
parameters. If two tachos are connected the ratio of tacho 2 to tacho 1 is also displayed.
If your feeder is equipped with an Feeder Connection Board (page 73) you may use the Tacho
Pulses switch to turn the pulses on and off for this test. As an alternative, you can use the logical
input Pulse Block. See List of Logical Inputs, on page 37. You should mark an index on the belt
and on the feeder. This will make it easier to count the number of belt revolutions needed for
accurate results. When performing the test insure that you are able to see the belt and index for
proper counting of belt revolutions.
1 Tacho 2 Tachos
If your feeder has a Feeder Connection Board turn off the Tacho Pulses switch. Press
to start the test. Turn on the tacho pulses switch. Keep track of the number of revolutions of the
belt. As the test progresses, you will see the tacho counts accumulate on the screen.
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