STC SmartScanIS, User Manual

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14 January 2021, SmartScanIS User’s Guide for Union Pacific, EUD-2016026-00 Rev.2
d If the new limit is incorrect, type n and return to step b .
e If the new limit is correct, type y
If you type zero or a value greater than 900, this error message and prompt
appears.
Minimum valid value is 1, Maximum valid value is 900
New Value ?
If you type an acceptable value, the Hotwheel option on the Alarm Limits
submenu changes and the Alarm Limits submenu reappears.
f If you get an error message, return to step b .
g If you don't get an error message, return to step 3 .
7 To set or change the cold-wheel limit :
The number after the words Cold Wheel (on the Alarm Limits submenu) is an offset in
degrees Fahrenheit above ambient temperature. When a wheel is found with a
temperature less than this value, the system generates a Cold Wheel alarm. Alarms of
this type don't produce a radio message, but are included in the data sent to the
Harriman Dispatch Center. In order for Cold Wheel alarms to be processed, both the
Cold Wheel option and the Hotwheel option on the Equipment submenu must be
enabled
Milepost-0501.2, Track:Single
Alarm Limits
---------------------------------------------------
A) Absolute................... 180°
B) Differential...............
90°
C) Hot Wheel.................. 540°
D) Cold Wheel.................
30°
E) CS Slope................... 0.32
•
•
•
a From the Alarm Limits submenu, select Cold Wheel .
This prompt appears.
New Value ?
If the new limit has less than three digits, you can type leading zeros to make it
three digits long or you can press
[Enter] after typing one or two digits.
b To not change the value, press [Esc] and return to step 3 .