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Allen-Bradley 1785-LT3 PLC-5/15 processor, 16K memory, DH-485, RS-232, RIO communication

Allen-Bradley 1785-LT3

SKU: 1785-LT3
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$4,840.00
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Allen-Bradley 1785-LT3

Overview

The Allen-Bradley 1785-LT3 is a PLC-5/15 processor module designed for small to mid-sized industrial automation systems. It features 16K words of user memory and supports communication via DH-485, RS-232, and Remote I/O, making it a reliable and field-proven solution for legacy system maintenance and upgrade applications.

Key Features

  • Processor Type: PLC-5/15

  • User Memory: 16K words

  • Communication Ports: DH-485, RS-232, Remote I/O

  • Mounting: Standard 1771 I/O chassis

  • Programming Software: RSLogix 5 or AI Series

  • Memory Retention: Battery-backed RAM

  • Diagnostics: Built-in LED indicators for fault and communication status

  • Series Compatibility: Classic PLC-5 platform

Technical Specifications

  • Catalog Number: 1785-LT3

  • User Memory: 16K words

  • Communication Ports: 1 x RS-232, 1 x DH-485, 1 x RIO

  • Backplane Current Draw: ~1.0 A @ 5V DC

  • Operating Voltage: Supplied through chassis

  • Operating Temperature: 0°C to 60°C

  • Storage Temperature: –40°C to 85°C

  • Memory Backup: Lithium battery-supported

  • Certifications: UL, CE, CSA (depending on revision)

Applications

  • Legacy system integration

  • Small-scale machine control

  • Data acquisition and monitoring

  • Industrial OEM systems

  • DH-485 based communication networks

Why Choose the 1785-LT3

  • Compact and Reliable: Designed for stable control in smaller systems

  • Legacy Communication Support: Ideal for DH-485 and RIO networks

  • Cost-Effective Upgrade Path: Extend the life of existing PLC-5 systems

  • Simple Integration: Compatible with existing 1771 chassis and modules

  • Trusted Performance: Used in thousands of industrial installations worldwide

Order Now

The Allen-Bradley 1785-LT3 PLC-5/15 processor is available and ships worldwide.

 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 1785-LT3

Overview

The Allen-Bradley 1785-LT3 is a PLC-5/15 processor module designed for small to mid-sized industrial automation systems. It features 16K words of user memory and supports communication via DH-485, RS-232, and Remote I/O, making it a reliable and field-proven solution for legacy system maintenance and upgrade applications.

Key Features

  • Processor Type: PLC-5/15

  • User Memory: 16K words

  • Communication Ports: DH-485, RS-232, Remote I/O

  • Mounting: Standard 1771 I/O chassis

  • Programming Software: RSLogix 5 or AI Series

  • Memory Retention: Battery-backed RAM

  • Diagnostics: Built-in LED indicators for fault and communication status

  • Series Compatibility: Classic PLC-5 platform

Technical Specifications

  • Catalog Number: 1785-LT3

  • User Memory: 16K words

  • Communication Ports: 1 x RS-232, 1 x DH-485, 1 x RIO

  • Backplane Current Draw: ~1.0 A @ 5V DC

  • Operating Voltage: Supplied through chassis

  • Operating Temperature: 0°C to 60°C

  • Storage Temperature: –40°C to 85°C

  • Memory Backup: Lithium battery-supported

  • Certifications: UL, CE, CSA (depending on revision)

Applications

  • Legacy system integration

  • Small-scale machine control

  • Data acquisition and monitoring

  • Industrial OEM systems

  • DH-485 based communication networks

Why Choose the 1785-LT3

  • Compact and Reliable: Designed for stable control in smaller systems

  • Legacy Communication Support: Ideal for DH-485 and RIO networks

  • Cost-Effective Upgrade Path: Extend the life of existing PLC-5 systems

  • Simple Integration: Compatible with existing 1771 chassis and modules

  • Trusted Performance: Used in thousands of industrial installations worldwide

Order Now

The Allen-Bradley 1785-LT3 PLC-5/15 processor is available and ships worldwide.

 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 1785-LT3

Allen-Bradley 1785-LT3

$4,840.00
Add to wishlist
Allen-Bradley 1785-LT3

Allen-Bradley 1785-LT3

Your Price:
$4,840.00
Item Added to Your Cart
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