D-10 Chadwick-Helmuth A Business Unit of Honeywell International, Inc.
Appendix D - 8520CS Signal Selector
oo. Press START key.
pp. Verify that final results display indicates.
1800 +
1 RPM
0.8 +
0.10 IPS
qq. Press STOP key.
rr. Repeat steps gg. through pp. for channel 12.
D.5.3 FasTrak Test
D.5.3.1 Test Setup (Ref. Figure D-5)
NOTE: This test provides a high level of confidence that the FasTrak is operating properly.
Before doing the FasTrak test, apply the special overlay to the calibrator disk. See Figure D-6 for
samples that can be copied or recreated. Unplug the 14883 cable from the “D” connector on the
8520CS Signal Selector.
NOTE: This test should be performed in a well-lit room.
a. Place calibrator on its back on a flat surface.
b. Place FasTrak on its side with the pin connector facing to the right. The window should be
facing the calibrator approximately six inches away.
c. Set CAM RATE (RPM) switch to 900.
d. Set MOTOR switch to ON.
e. Adjust pot next to 900 CAM RATE switch position until 2nd ring from outside on rotor
disk appears frozen in place under 60 Hz light.
2
f. Press BALANCE key on 8500C/C+.
g. Press SETUP key.
h. Select PICKUP field with arrow keys.
i. Press CHANGE soft key to select PICKUP B.
2
Attention, users outside U.S.: The 11A Calibrator can also be calibrated under 50Hz light. For 1714
rpm and 923 rpm cam rates, inner two rings on rotor disk are used. Remember to enter half these rates
in 8500C/C+ setup screen, when called for in the following steps.
Table D-3. Accelerometer and Photocell Balance Test Channel Combinations
Accelerometer Channels Photocell Channels Channel
3 and 6 C
9 and 12 D
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