XR Series Installation and Technical Instructions 43
Built-in Traffic Light (XR
4500TL Only)
The built-in traffic light may be controlled by remote switch, the pre-installed
utility programs, or serial commands (in Command Mode only).
Remote Switch 1. Wire remote switches to the Traffic Light Remote Switch terminal (J2)
on the back of the Traffic Light Display board. See Figure 7.3. The XR
supplies power to the switch.
Figure 7.3 Stop light remote switch connector
Remote switches will be disabled if
the XR has a program selected.
2. The default condition (switch contact open) is GREEN. When the
switch contact is closed, the light turns RED.
Pre-installed Utility Programs The following utility programs control the built-in traffic light. For program
overviews, see XR Utility Programs on page 44.
Serial Commands When the XR is set in Command Mode, it will accept serial commands to
switch the built-in traffic light.
For a list of serial control commands, see page Control Commands on page
45.
PROGRAM SW 1 SW 2 SW 3 SW 4
2 – Axle Weighing with Totals OFF OFF ON OFF
3 – Axle Weighing (Driving On) OFF OFF OFF ON
4 – COMMAND mode OFF OFF ON ON
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