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 4.1/5 Based on 21 ratings.

Rate your purchase of the 1756-L55M12

Image of

Image of

Includes a PDF Electric and Supply warranty.



3 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-L55M12 1756-L55M12/A

Common misspellings:
  • l756-L55M12
  • 1756-155M12
  • 1756-L55Ml2
  • 1756L55M12

The Allen-Bradley 1756-L55M12 module provides 750 KB of user memory and 200 KB of I/O memory. Non-volatile memory is not available on the 1756-L55M12. Optional CompactFlash memory modules are available for non-volatile memory: the 1784-CF64 module provides 64 MB memory and the 1784-CF128 module provides 128 MB memory for permanently storing user programs. The module includes an integrated RS-232 serial port. Optional modules available for communication include Remote I/O, Ethernet, DeviceNet. ControlNet and DH+. A 1747-CP3 or 1756-CP3 serial cable is recommended for use as a programming cable.

The 1756-L55M12 can be installed in any slot of a ControlLogix chassis. The ControlLogix systems support multiple controllers per chassis which communicate via the chassis backplane. The current consumption of the 1756-L55M12 is 1230 milliamps at 5 Volts and 14 milliamps at 24 Volts. The maximum power dissipation of the controller module is 5.6 Watts and the maximum thermal dissipation is 19.1 BTU/hour. The 1756-L55M12 module supports 3 different battery modules. The 1756-BA1 battery provides a minimum of 63 days of battery life at 25 degrees Celsius. The 175-BATM and 1756-BATA battery modules provide a minimum of 299 days of battery life at 25 degrees Celsius. The storage and operating temperature ranges for the 1756-L55M12 are -40 to 85 degrees Celsius and 0 to 60 degrees Celsius. The supported range of relative humidity is from 5 to 95% (non-condensing). The vibration rating of the module is 2G at 10 to 500 Hertz. The shock ratings for storage and operation are 50G and 30G, respectively.

1756L55M12 Allen Bradley ControlLogix Processor, 750K Memory, 208K Input/Output AB Rockwell Automation

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.