1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
    1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
    1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
    1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory
1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory

1756-L1M1 | Allen-Bradley ControlLogix Logix5550 Processor, 512KB Memory

Part #: 1756-L1M1 Manufactured by: Allen-Bradley
Regular price
$591.36
Sale price
$591.36
Regular price
5 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The Allen-Bradley 1756-L1M1 is a ControlLogix Logix5550 Processor with 512KB of memory. It's a powerful and reliable proce...  Read more
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Product Description P/N: 1756-L1M1

Description / Specifications

Description

The Allen-Bradley 1756-L1M1 is a ControlLogix controller module designed for high-performance industrial automation control. It provides processor-based execution for logic, motion, and process applications.

 

 

Technical Specifications 

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1756-L1M1
Series ControlLogix
Module Type Processor Module
Expansion Memory 512 KB
Enclosure Open
Isolation Voltage 30 Volts Continuous
Operating Temperature 32-140 Fahrenheit (0-60 Celsius)
Minimum Operating Current 2 milliamps at 10 Volts DC
Maximum Operating Current 3.5 milliamps at 30 Volts DC
Maximum Input Current, Off-State 1.5 milliamps
Power Dissipation (Max) 4.1 Watts at 60 degrees Celsius
Backplane Current at 5 Volts 120 milliamps
Backplane Current at 24 Volts 2 milliamps
Removeable Terminal Block(s) 1756-TBCH, 1756-TBS6H


 

Information About 1756-L1M1

The 1756-L1M1 is part of the Allen-Bradley ControlLogix 1756 series, developed for scalable and modular automation systems. This controller features 512 KB of user memory, enabling storage and execution of complex control programs. It integrates with ControlLogix I/O modules and communicates through ControlNet, DeviceNet, and EtherNet/IP networks for distributed control. The module fits into a 1756 chassis and is powered via the backplane, ensuring seamless integration with other Logix family components. Designed for industrial environments, the 1756-L1M1 provides reliable performance, expandability, and centralized control for demanding automation tasks.

Key Features:

  • Design: Modular controller architecture for ControlLogix systems.
  • Memory: 512 KB user memory for program and data handling.
  • Compatibility: Works with ControlLogix I/O modules and 1756 chassis.
  • Connectivity: Supports integration with ControlNet, DeviceNet, and EtherNet/IP networks.
  • Performance: Executes logic, motion, and process control programs with high reliability.
  • Installation: Rack-mounted in standard 1756 chassis with backplane power supply.
  • Diagnostics: Provides status and fault indicators for system monitoring.
  • Application Range: Suitable for machine control, manufacturing, and process automation.

The 1756-L1M1 delivers the reliability and processing power required for complex industrial automation systems.

 

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.

Frequently Asked Questions about 1756-L1M1
Question: What are the key specifications of the 1756-L1M1 processor?
Date Update:23/05/2025
Answer:
  • Processor: Freescale 466 MHz PowerPC 750 RISC
  • Memory: 512 KB user memory, 150 KB I/O memory, No nonvolatile memory (requires external memory module)
  • Battery: Replaceable 1756-BA1 lithium battery
  • Communication Ports: 1 Ethernet/IP port (10/100 Mbps) and 2 RS-232/485 ports
  • Expansion Slots: 2 communication slots for additional modules
  • Operating Temperature: 0 to 60°C (32 to 140°F)
  • Enclosure Type: Open-style (IP20)
  • Dimensions: 104 mm (W) x 233 mm (D) x 91 mm (H)
  • Weight: 0.32 kg (0.71 lbs)
Question: Is the 1756-L1M1 compatible with all ControlLogix chassis?
Date Update:23/05/2025
Answer:

Yes, the 1756-L1M1 processor is compatible with any ControlLogix chassis, including the 1756-A7, 1756-A10, 1756-A13, and 1756-A17 models. It can be installed in any available slot of the chassis.

Question: What is the recommended battery for the 1756-L1M1 processor?
Date Update:23/05/2025
Answer:

The 1756-L1M1 processor uses a replaceable 1756-BA1 lithium battery (0.59 g). This battery maintains the processor's memory during power loss. It is essential to use the specified battery to ensure proper operation and avoid potential issues.

Question: Can the 1756-L1M1 processor be programmed remotely?
Date Update:23/05/2025
Answer:

Yes, the 1756-L1M1 processor can be programmed remotely using the 1756-CP3 serial programming cable. This cable is compatible with the processor's RS-232/485 ports and is rated for Category 3 serial communication.

Question: What is the power consumption of the 1756-L1M1 processor?
Date Update:23/05/2025
Answer:

The 1756-L1M1 processor has the following power consumption specifications:

  • Backplane Current Draw: 5V DC: 650 mA and 24V DC: 2 mA
  • Power Dissipation: 4.1 W at 60°C
  • Operating Voltage: 24V DC
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-L1M1 is a ControlLogix controller module designed for high-performance industrial automation control. It provides processor-based execution for logic, motion, and process applications.

 

 

Technical Specifications 

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1756-L1M1
Series ControlLogix
Module Type Processor Module
Expansion Memory 512 KB
Enclosure Open
Isolation Voltage 30 Volts Continuous
Operating Temperature 32-140 Fahrenheit (0-60 Celsius)
Minimum Operating Current 2 milliamps at 10 Volts DC
Maximum Operating Current 3.5 milliamps at 30 Volts DC
Maximum Input Current, Off-State 1.5 milliamps
Power Dissipation (Max) 4.1 Watts at 60 degrees Celsius
Backplane Current at 5 Volts 120 milliamps
Backplane Current at 24 Volts 2 milliamps
Removeable Terminal Block(s) 1756-TBCH, 1756-TBS6H


 

Information About 1756-L1M1

The 1756-L1M1 is part of the Allen-Bradley ControlLogix 1756 series, developed for scalable and modular automation systems. This controller features 512 KB of user memory, enabling storage and execution of complex control programs. It integrates with ControlLogix I/O modules and communicates through ControlNet, DeviceNet, and EtherNet/IP networks for distributed control. The module fits into a 1756 chassis and is powered via the backplane, ensuring seamless integration with other Logix family components. Designed for industrial environments, the 1756-L1M1 provides reliable performance, expandability, and centralized control for demanding automation tasks.

Key Features:

  • Design: Modular controller architecture for ControlLogix systems.
  • Memory: 512 KB user memory for program and data handling.
  • Compatibility: Works with ControlLogix I/O modules and 1756 chassis.
  • Connectivity: Supports integration with ControlNet, DeviceNet, and EtherNet/IP networks.
  • Performance: Executes logic, motion, and process control programs with high reliability.
  • Installation: Rack-mounted in standard 1756 chassis with backplane power supply.
  • Diagnostics: Provides status and fault indicators for system monitoring.
  • Application Range: Suitable for machine control, manufacturing, and process automation.

The 1756-L1M1 delivers the reliability and processing power required for complex industrial automation systems.

 

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.

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