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GE / IP FANUC Series 90/30 In Stock

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Includes a PDF Electric and Supply warranty.



2 In Stock

2 Yr PDF Supply Warranty

What is Refurbished?

Repair Service


5-10 Days

2 Yr PDF Supply warranty


Other Available Revisions for the 1756-CN2R 1756-CN2R/A1756-CN2R/B1756-CN2R/C

Common misspellings:
  • l756-CN2R
  • 1756CN2R

The 1756-CN2R is an Allen-Bradley communication module that comes with 100 connections. This ControlNet interface module, which belongs to the 1756 series, is equipped with superior features to optimize on its functionality. Some of the most prominent features of the 1756-CN2R include inherent time-stamping capabilities, especially when it comes to the sequence of events applications and I/O wizards in applications involving Studio 5000 Logix Designer. The 1756-CN2R, which is mountable on a ControlLogix chassis, must be operated at a temperature of between 0 and 60 degrees Celsius. The 1756-CN2R offers electronic keying. This is important, especially when it comes to helping prevent replacement errors.  What is more, this communication module comes with complete I/O diagnostics that help detect system as well as field-side failures. Also, for easy maintenance, this Allen-Bradley communication module provides for removal and insertion under power RIUP).

To connect the 1756-CN2R’s field-side wiring, the module requires a removable terminal block (abbreviated as RTB) or a Bulletin 1492 wiring IFM. The 1756-CN2R, which comes with an open-style enclosure, weighs around 0.63 kilograms—making it portable for almost all industrial applications. The 1756-CN2R is outfitted with a digital display interface and can be used in a diversity of industrial settings—including pollution degree two-rated industrial environments, overvoltage category two (II) applications, and at an altitude of up to 2000 meters (6562 feet) without derating. Features that make it impressive include electronic keying, complete diagnostic features, and the fact that is can be mounted in on a ControlLogix chassis. However, to optimize its functionality and increase its durability, operate it at a temperature of between 0 and 60 degrees Celsius.

ControlNet Redundant Interface Module (100 connections)

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PDF Electric & Supply Inc. sells new, new surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with PDF Electric & Supply Inc. and not the manufacturer. PDF Electric & Supply Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. The products listed on this website may vary as to their country of origin; the accessories, and other items included with the product; and the language used on the packaging, the parts, and any related instructions or printed material related to the products. This website is not sanctioned or approved by any manufacturer or tradename listed. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.