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Allen-Bradley 1756-L81EK ControlLogix 5580 Controllers

Allen-Bradley 1756-L81EK ControlLogix 5580 Controllers

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-L81EK

  • Condition:1000 in stock

  • Product Type: ControlLogix 5580 Controllers

  • Product Origin: USA

  • Payment: T/T, Western Union

  • Weight: 394g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
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Allen-Bradley 1756-L81EK ControlLogix Processor Module

Manufacturer: Allen-Bradley
Model/Part Number: 1756-L81EK


Technical Specifications

Attribute Description 1756-L81EK
User Memory The general-purpose memory available for program and data storage. 20 MB
Safety Memory Memory dedicated to safety-related control and functions. 6 MB
Digital I/O Max Maximum number of digital I/O points the module can handle. 128,000
Analog I/O Max Maximum number of analog I/O points the module can handle. 4,000
Total I/O Max Total number of I/O points the module can support (digital and analog). 128,000
Optional Non-Volatile Memory Storage Non-volatile memory for backup and storage. 2 GB Secure Digital Card (1784-SD2)
Energy Storage Module Integrated, non-removable energy storage. Embedded
Number of Power Cycles The expected number of power cycles the module can handle. 80,000
Current Draw @ 1.2V DC Power consumption from the 1.2V DC supply. 5.0 mA
Current Draw @ 5.1V DC Power consumption from the 5.1V DC supply. 1.20 A
Power Dissipation The amount of power the module dissipates as heat. 6.2 W
Thermal Dissipation Heat output from the module. 21.2 BTU/hr
Isolation Voltage Voltage isolation between various module components. 50V (continuous)
Weight The weight of the module for installation and handling. 0.394 kg (0.868 lb)
Slot Width The width of the module in the chassis. 1 Slot
Module Location The slot where the module is installed in the chassis. Chassis-based, any slot (safety partner in adjacent slot)
Chassis Compatibility Compatible chassis for module installation. 1756-A7XT, 1756-A10XT (Series C)
Power Supply (Standard) Standard power supply compatibility. 1756-PAXT, 1756-PBXT, 1756-PA30XT
Power Supply (Redundant) Redundant power supply compatibility. Not specified
Wire Category Applicable conductor categories for proper wiring. 3 for USB, 2 for Ethernet
Temperature Code Temperature rating for the module. T4
Enclosure Type Rating Enclosure rating. None (open-style)

Environmental Specifications

Attribute Operating Non-operating
Temperature (SIL 2/PLd) -25°C to +70°C (-13°F to +158°F) -40°C to +85°C (-40°F to +185°F)
Temperature (SIL 3/PLe) -25°C to +70°C (-13°F to +158°F) -40°C to +85°C (-40°F to +185°F)
Relative Humidity 5% to 95% non-condensing N/A
Conformal Coated Yes N/A
Corrosive Atmosphere Severity Level G3 (Airborne Contaminants) Severity Level GX (Gaseous Sulfur Compounds)
Vibration 2 g @ 10-500 Hz N/A
Shock (Operating) 30 g N/A
Shock (Non-operating) 30 g N/A


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Product Description

Allen-Bradley 1756-L81EK ControlLogix Processor Module

Manufacturer: Allen-Bradley
Model/Part Number: 1756-L81EK


Technical Specifications

Attribute Description 1756-L81EK
User Memory The general-purpose memory available for program and data storage. 20 MB
Safety Memory Memory dedicated to safety-related control and functions. 6 MB
Digital I/O Max Maximum number of digital I/O points the module can handle. 128,000
Analog I/O Max Maximum number of analog I/O points the module can handle. 4,000
Total I/O Max Total number of I/O points the module can support (digital and analog). 128,000
Optional Non-Volatile Memory Storage Non-volatile memory for backup and storage. 2 GB Secure Digital Card (1784-SD2)
Energy Storage Module Integrated, non-removable energy storage. Embedded
Number of Power Cycles The expected number of power cycles the module can handle. 80,000
Current Draw @ 1.2V DC Power consumption from the 1.2V DC supply. 5.0 mA
Current Draw @ 5.1V DC Power consumption from the 5.1V DC supply. 1.20 A
Power Dissipation The amount of power the module dissipates as heat. 6.2 W
Thermal Dissipation Heat output from the module. 21.2 BTU/hr
Isolation Voltage Voltage isolation between various module components. 50V (continuous)
Weight The weight of the module for installation and handling. 0.394 kg (0.868 lb)
Slot Width The width of the module in the chassis. 1 Slot
Module Location The slot where the module is installed in the chassis. Chassis-based, any slot (safety partner in adjacent slot)
Chassis Compatibility Compatible chassis for module installation. 1756-A7XT, 1756-A10XT (Series C)
Power Supply (Standard) Standard power supply compatibility. 1756-PAXT, 1756-PBXT, 1756-PA30XT
Power Supply (Redundant) Redundant power supply compatibility. Not specified
Wire Category Applicable conductor categories for proper wiring. 3 for USB, 2 for Ethernet
Temperature Code Temperature rating for the module. T4
Enclosure Type Rating Enclosure rating. None (open-style)

Environmental Specifications

Attribute Operating Non-operating
Temperature (SIL 2/PLd) -25°C to +70°C (-13°F to +158°F) -40°C to +85°C (-40°F to +185°F)
Temperature (SIL 3/PLe) -25°C to +70°C (-13°F to +158°F) -40°C to +85°C (-40°F to +185°F)
Relative Humidity 5% to 95% non-condensing N/A
Conformal Coated Yes N/A
Corrosive Atmosphere Severity Level G3 (Airborne Contaminants) Severity Level GX (Gaseous Sulfur Compounds)
Vibration 2 g @ 10-500 Hz N/A
Shock (Operating) 30 g N/A
Shock (Non-operating) 30 g N/A


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