1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory
1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory
1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory
    1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory
1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory

1756-L55M12 | Allen-Bradley ControlLogix 5555 Processor Module 750 KB Memory

Part #: 1756-L55M12 Manufactured by: Allen-Bradley
Regular price
$925.00
Sale price
$925.00
Regular price
2 in Stock
Condition: New – Open box
Shipping calculated at checkout.
Product Overview
Allen-Bradley 1756-L55M12 ControlLogix Logix 5555 Controller, 750 Kbytes User Memory, 208 Kbytes I/O Memory
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Product Description P/N: 1756-L55M12

Description / Specifications

Description 

The Allen-Bradley 1756-L55M12 is a ControlLogix Logix 5555 controller designed for high-performance industrial automation systems. It combines a 1756-L55 controller base with a 1756-M12 memory board, providing 750 KB of user memory and 208 KB of I/O memory for large-scale control applications.


 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Category PLCs / Machine Control
Part Number 1756-L55M12
Subcategory PLC Module / Rack
Manufacturer Rockwell Automation
Series ControlLogix
Controller Type Logix 5555 CPU
User Memory 750 KB
I/O Memory 208 KB
Maximum Digital I/O 128,000 points
Maximum Analog I/O 4,000 inputs / 2,000 outputs
Program Scan Time 0.08 ms
Backplane Current @ 5 V DC 1.23 A
Backplane Current @ 24 V DC 14 mA
Operating Temperature 0 to 60 °C (32 to 140 °F)
Relative Humidity 5–95% non-condensing
Vibration 10–500 Hz
Battery Type 1756-BA1 or 1756-BATM
Configuration 1756-L55 base with 1756-M12 memory board

 


Information About 1756-L55M12

The 1756-L55M12 is part of the Allen-Bradley ControlLogix Logix 5555 controller family, developed for complex and large-scale automation architectures. The controller supports distributed and centralized I/O systems and integrates with multiple industrial networks, including EtherNet/IP, ControlNet, DeviceNet, DH+, and Remote I/O. It relies on battery-backed RAM for data retention and is suitable for use in redundant ControlLogix systems. This model is widely used in manufacturing, process automation, and infrastructure projects that require high-speed processing and extensive I/O capacity.

Key Features

  • Logix 5555 ControlLogix CPU: Designed for high-performance, large-scale industrial control applications.
  • 750 KB User Memory with M12 Board: Supports complex logic, data handling, and advanced control strategies.
  • 208 KB Dedicated I/O Memory: Optimized for managing large distributed I/O configurations.
  • High I/O Scalability: Supports up to 128,000 digital I/O points and extensive analog I/O counts.
  • Ultra-Fast Scan Performance: 0.08 ms program scan time enables rapid control response.
  • Multi-Network Compatibility: Works with EtherNet/IP, ControlNet, DeviceNet, DH+, and Remote I/O networks.
  • Redundancy Support: Suitable for high-availability ControlLogix system architectures.

The 1756-L55M12 delivers the reliability and precision required for demanding ControlLogix automation systems where high memory capacity, fast execution, and scalable I/O are critical.

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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 For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1756-L55M12 is a ControlLogix Logix 5555 controller designed for high-performance industrial automation systems. It combines a 1756-L55 controller base with a 1756-M12 memory board, providing 750 KB of user memory and 208 KB of I/O memory for large-scale control applications.


 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Category PLCs / Machine Control
Part Number 1756-L55M12
Subcategory PLC Module / Rack
Manufacturer Rockwell Automation
Series ControlLogix
Controller Type Logix 5555 CPU
User Memory 750 KB
I/O Memory 208 KB
Maximum Digital I/O 128,000 points
Maximum Analog I/O 4,000 inputs / 2,000 outputs
Program Scan Time 0.08 ms
Backplane Current @ 5 V DC 1.23 A
Backplane Current @ 24 V DC 14 mA
Operating Temperature 0 to 60 °C (32 to 140 °F)
Relative Humidity 5–95% non-condensing
Vibration 10–500 Hz
Battery Type 1756-BA1 or 1756-BATM
Configuration 1756-L55 base with 1756-M12 memory board

 


Information About 1756-L55M12

The 1756-L55M12 is part of the Allen-Bradley ControlLogix Logix 5555 controller family, developed for complex and large-scale automation architectures. The controller supports distributed and centralized I/O systems and integrates with multiple industrial networks, including EtherNet/IP, ControlNet, DeviceNet, DH+, and Remote I/O. It relies on battery-backed RAM for data retention and is suitable for use in redundant ControlLogix systems. This model is widely used in manufacturing, process automation, and infrastructure projects that require high-speed processing and extensive I/O capacity.

Key Features

  • Logix 5555 ControlLogix CPU: Designed for high-performance, large-scale industrial control applications.
  • 750 KB User Memory with M12 Board: Supports complex logic, data handling, and advanced control strategies.
  • 208 KB Dedicated I/O Memory: Optimized for managing large distributed I/O configurations.
  • High I/O Scalability: Supports up to 128,000 digital I/O points and extensive analog I/O counts.
  • Ultra-Fast Scan Performance: 0.08 ms program scan time enables rapid control response.
  • Multi-Network Compatibility: Works with EtherNet/IP, ControlNet, DeviceNet, DH+, and Remote I/O networks.
  • Redundancy Support: Suitable for high-availability ControlLogix system architectures.

The 1756-L55M12 delivers the reliability and precision required for demanding ControlLogix automation systems where high memory capacity, fast execution, and scalable I/O are critical.

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