Rockwell Automation 1756-CN2RXT ControlLogix-XT ControlNet Interface Module, Series B Installation Instructions - Manual (Page 31)

ControlLogix-XT ControlNet Interface Module 31
Publication 1756-IN634A-EN-P - April 2009
General Specifications - 1756-CN2RXT
Attribute Value
ControlNet connectors 2 BNC connectors
Number of ControlNet nodes, max 99
ControlNet communication rate 5 MB
USB port USB 1.1
USB Device USB, series B, receptacle
USB cable for USB port, recommended Samtec cable, P/N RSP-199350
Connections supported, max 131
Note that 3 of the 131 connections are always
reserved for redundant control. Therefore, 128
connections are available for standard use.
Weight, approx. 0.293 kg (0.64 lb)
North American temperature code T4A
IEC temperature code T4
Slot width 1
Enclosure type rating None (open-style)
Power consumption, max 6.6 W
Power dissipation, max 22.5 BTU/hr
Backplane current @ 5.1V DC 1.3 A @ 5.1V dc
Backplane current @ 24V DC 3 mA @ 24V dc
Isolation voltage 30V (continuous), Basic Insulation Type
Type tested at 853V AC for 60 s, ControlNet to
system and ControlNet port to ControlNet port
Wiring category
(1)
(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication
1770-4.1 .
2 - on communication ports