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Description
1756-L55M23 1756-L55/A 1756-M23/A Allen BradleyThe Allen Bradley 1756 L55M23 is a ControlLogix Controller in the Logix5000 family of controllers. It has 1. 5 KB of data and logic memory, 208 KB of I O memory, and an integrated nonvolatile backup memory. The 1756 L55M23 has a Logix CPU as well as a backplane CPU to divide its resources. Application codes and messages are executed by the Logix CPU and the backplane CPU sends and receives data from the backplane and it communicates with I O. The 1756
The Allen-Bradley 1756-L55M23 is a ControlLogix Controller in the Logix5000 family of controllers. It has 1.5 KB of data and logic memory, 208 KB of I/O memory, and an integrated nonvolatile backup memory. The 1756-L55M23 has a Logix CPU as well as a backplane CPU to divide its resources. Application codes and messages are executed by the Logix CPU and the backplane CPU sends and receives data from the backplane and it communicates with I/O. The 1756-L55M23 controller is connected to the workstation or another controller via the serial port. A 1756-CP3 serial cable is used to connect the controller to the workstation. For communication with other devices, it uses various networks like Ethernet/IP, ControlNet, DeviceNet, etc. The 1756-L55M23 can produce and consume system-shared tags over the EtherNet/IP or the ControlNet networks. One connection each is required for both the producer and the consumer. The 1756-L55M23 controller has a multitasking feature which lets processing time be allocated to different operations in the application. It also contains programs for the group data and logic. It provides routines for encapsulating executable code in a single programming language. It supports Logix5000 programming languages both online and offline. In case of any I/O communication failure, it has an I/O LED that flashes green. It also contains a fault handler for diagnostics. The 1756-L55M23 supports the 1756-BA1 or the 1756-BATM battery, either of which need to be regularly maintained.
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Fits 2023 Jeep GC 4xe
I purchased this filter based on another review that mentioned it being a perfect fit for a 2023 Jeep Grand Cherokee 4xe, and can confirm that it does fit perfectly! My partner smokes in the Jeep sometimes and the air conditioning was starting to smell so I'm hopeful that having the added carbon in this filter will help reduce that smell. I'm a bit disappointed, I was told when I bought the vehicle that it had some "special" air filtration but that was not the case.. the filter I pulled out looked just like any other basic filter you'd find in any vehicle. I would assume from comparing the new filter that it will do a better job (with addition of carbon and foam around the filter for a better seal). Very easy to install, just had to release the cord on the left side of the glove box and the filter fits right behind there.
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Reviewed in the United States on July 11, 2024
★★★★★ 4
Excellent product
It works.
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Wualityv
Perfect fit
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Reviewed in the United States on February 12, 2026
★★★★★ 5
My favorite air filter
My favorite cabin air filter, keeps the air smelling clear and good . Very high quality
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Better filter than OEM. Should replace it when you first get the vehicle.
Fits perfectly. Charcoal and paper filter is a huge upgrade from the factory filter.
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Reviewed in the United States on May 15, 2026