Rockwell Automation 1770 DH,DHII,DH485 CABLE User Manual
Page 88
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Planning a DH II Cable System
Chapter 5
5-12
Route Conductors
To guard against coupling noise from one conductor to another, follow the
general guidelines shown in Table 5.D when routing wires and cables (both
inside and outside of an enclosure). Where it is stated that cables must be in
separate raceways, they can be routed in the same ladder or trough if barriers
are used as required and defined by NEC to provide the separation specified in
Table 5.D. Use the spacing given in these general guidelines with the following
exceptions:
where connection points (for conductors of different categories) on end
devices are closer together than the specified spacing
application-specific configurations for which the spacing is described in a
publication for that specific application