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GE / IP FANUC Series 90/30 In Stock

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Includes a PDF Electric and Supply warranty.




2 Yr PDF Supply Warranty

What is Refurbished?

Repair Service


5-10 Days

2 Yr PDF Supply warranty


Other Available Revisions for the 1756-L55M14 1756-L55M14/A

Common misspellings:
  • l756-L55M14
  • 1756-155M14
  • 1756-L55Ml4
  • 1756-L55M1A
  • 1756L55M14

The Allen Bradley 1756-L55M14 is one of the control modules which can be used with ControlLogix systems. The user memory available on the 1756-L55M14 is 3.5 MB. Power from a battery module is required for the user memory. Three battery modules are supported by the 1756-L55M14: the 1756-BA1 provides backup for a minimum of 30 days at 25 degrees Celsius and both the 1756-BATM and 1756-BATA provide backup for a minimum of 213 days at 25 degrees Celsius. The non-volatile memory is not shipped with the 1756-L55M14, and needs to be ordered separately: two modules with capacities of 64 MB or 128 MB are available. The amount of memory available for I/O is 208 KB. RSLogix 5000 software can be used for programming the 1756-L55M14 through either the relay ladder, SFC, or function block languages. The supported programming cables include the 1756-CP3 and the 1747-CP3.

One serial RS-232 port is available as standard on the 1756-L55M14. The serial protocols which are supported include the ASCII, Modbus, DH-485, and DF1 protocols. For integration with other networks, optional communication modules can be ordered as required. The available optional modules for communication include the SynchLink, DH+, Ethernet, Remote I/O, ControlNet, and DeviceNet networks. Specifications for the maximum power and thermal dissipation ratings for the 1756-L55M14 are 5.7 Watts and 19.4 BTU/hour, respectively. The current requirements at 5 Volts and 24 Volts DC are 1250 mA and 14 mA, respectively. The module performs as per its specifications in environments where the ambient temperature is between 0 and 60 degrees Celsius and where the relative humidity is between 5 and 95%.

1756L55M14 Allen Bradley ControlLogix Processor, 3584K Memory, 208K Input/Output AB Rockwell Automation

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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.