1756-L55M14 Product datasheet
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Model number: |
1756-L55M14 |
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Module Type： |
ControlLogix Controller |
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Manufacture: |
Allen-Bradley |
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Condition： |
Brand New |
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Range of Product: |
GuardLogix |
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Lead time： |
In Stock |
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Weight: |
0.36kg |
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HS CODE： |
8537101190 |
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Dimension: |
14,3.5x14x14.5cm |
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MOQ: |
1 |
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Product Origin: |
USA |
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System： |
PLC |
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Discontinued on: |
Active |
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Communication Service: |
Ethernet router |
1756-L55M14 Functional Description
The Allen-Bradley 1756-L55M14 is part of the ControlLogix 5555 family, offering advanced automation capabilities. This Series A controller features 3.5 Mbytes of data and logic memory, along with 208 kbytes of I/O memory, making it suitable for complex control applications. However, it is important to note that the 1756-L55M14 does not come with nonvolatile memory, meaning that its configuration data may be lost during power outages unless backed up externally.
The 1756-L55M14 Powerful Processor Module is designed to be installed inside a ControlLogix 1756 chassis and comes in an open-style enclosure. Weighing only 0.36 kg (12.8 oz), it is compact yet powerful. The controller’s battery can be replaced with a 1756-BA1 lithium battery, but only when necessary. For communication, the 1756-L55M14 supports several modes, including SynchLink, DH-485, Modbus via ladder routine, Universal Remote I/O, Data Highway Plus, DeviceNet, ControlNet, and EtherNet/IP. When used in a redundant system, it must be paired with an identical controller within the same ControlNet network.
The backplane current consumption of the 1756-L55M14 Series A Controller is 1.25 A at 5.1V DC and 0.14 A at 24V DC. The power dissipation is rated at 5.7 W, with thermal dissipation of 19.4 BTU/hr. The controller has been tested for durability, withstanding 707V DC for up to 60 seconds and offering continuous isolation at 30V. Its conducted RF immunity is 10V rms from 150 kHz to 80 MHz, ensuring reliable operation in challenging environments.
Operating within a temperature range of 0 to 60°C, the 1756-L55M14 ControlLogix Logix5555 Processor can also tolerate storage temperatures from -40°C to 85°C. Its relative humidity tolerance ranges from 5% to 95%, and it is resistant to both operating and non-operating shocks, with ratings of 30 g and 50 g respectively. Additionally, the controller can endure vibration of up to 2 g at 10 to 500 Hz, making it well-suited for industrial applications.
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ControlLogix System Overview
The ControlLogix system provides discrete, drives, motion, process, and safety control together with communication and state-of-the-art
I/O in a small, cost-competitive package. The system is modular, so you can design, build, and modify it efficiently with significant savings in
training and engineering.
A simple ControlLogix system consists of a standalone controller and I/O modules in one chassis. For a more comprehensive system, use the
following:
• Multiple controllers in one chassis
• Multiple controllers joined across networks
• I/O in multiple platforms that are distributed in many locations and connected over multiple I/O links
• Select ControlLogix products are available with a conformal coating that adds a layer of protection when exposed to harsh, corrosive
environments. Products with a conformal coating have a ‘K’ suffix at the end of the catalog number.
The ControlLogix controller is part of the Logix 5000™ family of controllers.
• ControlLogix controllers can monitor and control I/O across the ControlLogix backplane, and over I/O links. ControlLogix controllers
can communicate over EtherNet/IP, ControlNet, DeviceNet, DH+™, Remote I/O, and RS-232-C (DF1/DH-485 protocol) networks and
many third-party process and device networks.
• The controller can be placed into any slot of a ControlLogix chassis and multiple controllers can be installed in the same chassis.
Multiple controllers in the same chassis communicate with each other over the backplane (just as controllers can communicate over
networks) but operate independently.
• To provide communication for a ControlLogix 5570 controller, install the appropriate communication interface module into the
chassis. ControlLogix 5580 controllers have a built-in EtherNet/IP port.
