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Talon SRX - User’s Guide
crosstheroadelectronics.com vexpro.com
Copyright 2017, Cross The Road Electronics, VEX Robotics Inc.
Updated: 2017-02-03
Q: What CAN bus topologies are recommended?
A: The Talon is intended to be used in the daisy chain fashion explained in Section 1.3.2.
Additionally, FRC Teams should always confirm what is considered “legal” per latest FRC
competition rules.
Alternatively, the CAN bus may be wired in the fashion commonly
seen in the automotive industry where a single harness is made
(with proper termination resistor at each of the two ends). Each
module can “tap” into the primary bus harness (crimp, connector,
soldered, etc.) with a cable stub (maximum length of one foot).
In the automotive industry, this is accomplished
with a cable design that has the cable stubs
designed in with end-connectors at various
places in the cable.
As documented in the DW CAN bus specification, both daisy chain or a designed master cable
harness meets the specification’s documented topology (diagram below).
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