1-919-535-3180 | 1-800-360-6802

GE / IP FANUC Series 90/30 In Stock

A Global Supplier of Industrial Electronics



Mon-Fri 8AM-5PM EST



Rated 4.5/5 Based on 32 ratings.

Rate your purchase of the 1756-L73

Image of

Image of

Includes a PDF Electric and Supply warranty.

(Never Used)


1 In Stock

3 Yr PDF Supply warranty

What is Surplus?



4 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-L73 1756-L73/A1756-L73/B

Common misspellings:
  • l756-L73
  • 1756-173
  • 1756L73

The 1756-L73 is an Allen Bradley ControlLogix Series processor module that provides a scalable controller solution. The processor module provides ability to monitor and control the I/O across ControlLogix backplane and also over the I/O links. The module supports various communication protocols. These include communication over EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O and also RS-232-C networks.  In addition, it also supports communication over many third-party device networks providing communication for ControlLogix Controller and installation of the appropriate communication interface module into the chassis. Through the various 1756-L73 ports, users can program, configure, add firmware updates, and online editing.

The 1756-L73 has one built-in USB port with an 8MB user memory. The I/O memory for the 1756-L73 is 0.98 MB while the Maximum digital I/O is 128,000. The maximum analog I/O for the 1756-L73 is 4,000 and the current draw on 1.2 Volts DC is 5 Milliamps. The current draw on 5.1 Volts is 800 Milliamps and comes with a power Dissipation of 2.5 Watts. The 1756-L73 has a thermal dissipation of 8.5 BTU Per hour while the Isolation Voltage adds to 30 Volts Continuous. The isolation Voltage for the 1756-L73 remains continuous at 30 Volts offering basic insulation. The 1756-L73 has been tested at 500 Volts AC for 60 Seconds. Using its USB 2.0 port, the 1756-L73 can reach up to 12 Megabytes per Second at its full speed. It comes with an open style enclosure. The ambient operating temperature for the 1756-L73 is 0-60 Degrees Celsius while the storage temperature or the non-operating temperature is -40 to 85 degrees Celsius. The relative humidity is 5 to 95% non-condensing and operating vibration of 2G with an operating shock of 30G.

Allen Bradley 1756L73 LOGIX5673 Processor

All online orders placed before 4:30 PM EST “SHIPS SAME DAY FREE!" World’s largest warehouse of Factory Sealed GE 90-30 PLC, GENIUS I/O and RX7i PACSystem.highlight_off

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.