STC Smartscan NG2, Manual

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May 2021, SmartScanNG² User's Guide for Wayside Enclosure Components, EUD-2018086-00 Rev.3
Correct polarity need not be observed when connecting the wires from the high-load/high-wide
detector. One wire from the detector should be connected directly below the existing white
wire at row two of the UTB, and the other wire should be connected directly below the existing
black wire at row two of the UTB.
To designate High-Load alarms , YES must appear after the words High Load on the
Equipment menu, and Separate must appear after the words Clearance Mode on the
Equipment menu.
To designate High-Wide alarms , YES must appear after the words High
Load on the Equipment menu, and Multiplexed must appear after the words Clearance Mode
on the Equipment menu.
9.9.5 Shielded Temperature Probe
The temperature probe is encased in a radiation shield that shields it from direct sunlight and
allows ambient air to flow through and around it. The probe mounts to the outside wall of the
wayside enclosure and provides accurate temperature indications over a range of -45°C to
+65°C (-49°F to +149°F). Most system reports include ambient temperature (when the train
passed the site).
There is one shielded temperature probe per system. To install this probe:
1 Be sure that you have on hand the customer-supplied fasteners needed to attach the
shielded temperature probe to the outside of the wayside enclosure; a wire stripper;
and the fasteners needed to attach the RF-filter assembly to the inside of the wayside
enclosure.
2 If you haven't done so already, remove the shielded temperature probe and the
RF-filter assembly from its box.
3 Mount the probe onto the outside of the wayside enclosure on the side furthest from
the track. This should be the side of the enclosure where the SmartScanNG²
enclosure is mounted. No matter where it is mounted, make sure the entire shielded
temperature probe is in the top third of the enclosure
or above the roof of the
enclosure.
4 Route the cable from the probe to the bottom of its respective SmartScanNG²
enclosure.
In sheet metal, use a rubber grommet in every hole through which you route the cable.
First Wire from High Load Detector Second Wire from HighLoad Detector
White Wire from System-Interconnect Board
Black Wire from System-Interconnect Board
First Wire from High Second Wire from High
White Wire from System-Interconnect Board
Black Wire from System-Interconnect Board
First Wire from High Load Detector Second Wire from HighLoad Detector
White Wire from System-Interconnect Board
Black Wire from System-Interconnect Board
First Wire from High Second Wire from High
White Wire from System-Interconnect Board
Black Wire from System-Interconnect Board
Shield from Cable
If no GND connection on UTB,
connect shield to Chassis GND.