1756-L55M12 | Allen-Bradley Logix5555 Processor, 750KB Memory

Description 

The Allen-Bradley ControlLogix Processor Module features 750 KB of RAM and supports up to 128,000 maximum I/O points.

Technical Specifications 

Information About 1756-L55M12

The Allen-Bradley 1756-L55M12 is a ControlLogix 5555 controller with 750 KB of memory for data and logic and 208 KB of I/O memory. It does not have nonvolatile memory and weighs 0.35 kg (12.5 oz) with an open style enclosure type rating.

This controller supports various communication modes, including ControlNet, EtherNet/IP, DH+, DeviceNet, and universal remote I/O networks. It has a backplane current of 1.23 A at 5.1V DC and 0.014 A at 24V DC, with a power dissipation of 5.6W and thermal dissipation of 19.1 BTU/hr. Its conducted RF immunity is 10V rms with a 1 kHz sine-wave 80% AM from 150 kHz to 80 MHz, and it has an isolation voltage of 30V (continuous, basic insulation type). The controller is tested to withstand 707V DC for 60 seconds.

The 1756-L55M12 uses a lithium battery (1756-BA1) weighing 0.59 g, and it requires a replacement only when necessary. It has a wiring category of 2 on its communication ports and is compatible with 1756-CP3 or 1747-CP3 serial cables. This controller can be used in a redundant system on a ControlNet network.

It operates within a temperature range of 0 to 60°C and can be stored between -40 to 85°C. It has a relative humidity of 5% to 95% (non-condensing), an operating shock of 30 g, a non-operating shock of 50 g, and a vibration tolerance of 2 g at 10 to 500 Hz.

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

IQElectro 2 Year Warranty

IQElectro offers a 2-Year Warranty on all our products. This complimentary two-year warranty ensures that every purchase from IQElectro is a secure investment in the future of your company.
Warranty Terms

IQElectro is not an authorized distributor.

IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining an appropriate license from the manufacturer. IQElectro makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. IQElectro also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from the Original Manufacturer, its distributors, or any other source. IQElectro also makes no representations as to your right to install any such software or firmware on the product. IQElectro will not obtain or supply software or firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing software or firmware. Customer acknowledges and agrees that IQElectro DOES NOT provide any software, firmware, operating system, or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance, and upgrades are subject to the applicable manufacturer's Licensing Agreement or similar document. Disclaimer Policy.