Allen-Bradley 1764-LRP — Discontinued MicroLogix 1500 RS-232 processor | Legacy PLC

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Allen-Bradley 1764-LRP — Discontinued MicroLogix 1500 RS-232 processor

The Allen-Bradley 1764-LRP is a discontinued micrologix 1500 rs-232 processor intended for legacy MicroLogix 1500 automation equipment. Rockwell Automation lists this exact ordering number as discontinued effective 2017-05-12. The value of finding this product often lies in maintaining an existing industrial machine where changing the controller can involve rewiring, software revisions and new commissioning. Corwin Solutions can investigate independent-market sourcing based on a customer request for this exact item; this page is not a promise of current stock or OEM-authorized supply. Buyers should identify the complete installed catalog number and verify their maintenance requirements before ordering.

Technical Details and Product Specifications

  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Exact catalog number: 1764-LRP
  • Lifecycle status: Discontinued — manufacturer confirmed
  • Discontinued date: 2017-05-12
  • Product platform: MicroLogix 1500
  • Product class: MicroLogix 1500 RS-232 processor
  • Manufacturer-described configuration: 14 KB controller memory; isolated RS-232 serial port; MicroLogix 1500 processor
  • Application: Legacy processor with integrated communications
  • Sourcing status: Not stocked or promised; availability subject to independent supplier verification
  • Supported condition options: As quoted: surplus new, tested used or refurbished, subject to buyer approval

System Function and Identification

The primary role of this MicroLogix 1500 device is legacy processor with integrated communications. The manufacturer describes its configuration as follows: 14 KB controller memory; isolated RS-232 serial port; MicroLogix 1500 processor. This is an important distinction from visually similar controllers or base modules, which can differ in required power, the mix of relay and transistor outputs, channel count, and available communication interfaces. A MicroLogix 1500 processor is not the same component as its base unit. Compare the exact complete part number, electrical label, manufacturer hardware series, and fitted accessories before seeking a replacement. Field wiring and logic may differ by machine even where part numbers agree.

Typical Industrial Applications

  • Maintenance and repair of established factory PLC cabinets using the original MicroLogix architecture.
  • Urgent restoration of packaging lines, conveyors, assembly machines and general-purpose automation equipment.
  • Building a critical-spares inventory for older systems with limited manufacturer support.
  • Keeping production operating during a planned upgrade to a modern controller platform.

Discontinued Product and Source Verification

Rockwell Automation identifies 1764-LRP as discontinued as of 2017-05-12. Manufacturer reference: https://www.rockwellautomation.com/en-us/products/details.1764-lrp.html. The published lifecycle notice is evidence that the OEM product is no longer offered through normal manufacturer channels; it is not proof that independent distributors have no stock. Surplus suppliers, reputable refurbishers and equipment dismantlers may occasionally offer a matching item. Such listings require verification of the physical part, proper condition, testing claims, revision and return terms. An online listing does not constitute verified inventory or an acceptable purchase price. Corwin evaluates specific opportunities only once a customer RFQ provides quantity, location and required condition.

Replacement and Compatibility Notes

Matching 1764-LRP is only one part of making a successful replacement. Verify the controller power requirements, I/O wiring and output type, hardware series, memory, peripheral cabling, processor configuration, program backup and software support as applicable. A functional successor may require changes to panel wiring, programming and commissioning; Rockwell describes the applicable replacement route as an engineering or functional replacement rather than a universal plug-and-play substitution. Any replacement should be reviewed by an experienced controls technician before installation. For safety-critical machine functions, determine that the system design remains compliant and properly validated.

Request a Quote from Corwin Solutions

Send us your required manufacturer catalog number, quantity, delivery location, target date and any minimum series or firmware requirement. Include a clear photo of the equipment label when possible, and tell us whether surplus-new, tested-used or refurbished parts are acceptable. We can investigate possible independent sources and quote after confirming availability, item condition, supplier credibility, delivered cost and warranty or return policy. Corwin does not claim to have this part on hand, guarantee compatibility or publish a fixed price. Final supply terms will be stated in an individual quotation.

Allen-Bradley 1764-LRP — Discontinued MicroLogix 1500 RS-232 processor

The Allen-Bradley 1764-LRP is a discontinued micrologix 1500 rs-232 processor intended for legacy MicroLogix 1500 automation equipment. Rockwell Automation lists this exact ordering number as discontinued effective 2017-05-12. The value of finding this product often lies in maintaining an existing industrial machine where changing the controller can involve rewiring, software revisions and new commissioning. Corwin Solutions can investigate independent-market sourcing based on a customer request for this exact item; this page is not a promise of current stock or OEM-authorized supply. Buyers should identify the complete installed catalog number and verify their maintenance requirements before ordering.

Technical Details and Product Specifications

  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Exact catalog number: 1764-LRP
  • Lifecycle status: Discontinued — manufacturer confirmed
  • Discontinued date: 2017-05-12
  • Product platform: MicroLogix 1500
  • Product class: MicroLogix 1500 RS-232 processor
  • Manufacturer-described configuration: 14 KB controller memory; isolated RS-232 serial port; MicroLogix 1500 processor
  • Application: Legacy processor with integrated communications
  • Sourcing status: Not stocked or promised; availability subject to independent supplier verification
  • Supported condition options: As quoted: surplus new, tested used or refurbished, subject to buyer approval

System Function and Identification

The primary role of this MicroLogix 1500 device is legacy processor with integrated communications. The manufacturer describes its configuration as follows: 14 KB controller memory; isolated RS-232 serial port; MicroLogix 1500 processor. This is an important distinction from visually similar controllers or base modules, which can differ in required power, the mix of relay and transistor outputs, channel count, and available communication interfaces. A MicroLogix 1500 processor is not the same component as its base unit. Compare the exact complete part number, electrical label, manufacturer hardware series, and fitted accessories before seeking a replacement. Field wiring and logic may differ by machine even where part numbers agree.

Typical Industrial Applications

  • Maintenance and repair of established factory PLC cabinets using the original MicroLogix architecture.
  • Urgent restoration of packaging lines, conveyors, assembly machines and general-purpose automation equipment.
  • Building a critical-spares inventory for older systems with limited manufacturer support.
  • Keeping production operating during a planned upgrade to a modern controller platform.

Discontinued Product and Source Verification

Rockwell Automation identifies 1764-LRP as discontinued as of 2017-05-12. Manufacturer reference: https://www.rockwellautomation.com/en-us/products/details.1764-lrp.html. The published lifecycle notice is evidence that the OEM product is no longer offered through normal manufacturer channels; it is not proof that independent distributors have no stock. Surplus suppliers, reputable refurbishers and equipment dismantlers may occasionally offer a matching item. Such listings require verification of the physical part, proper condition, testing claims, revision and return terms. An online listing does not constitute verified inventory or an acceptable purchase price. Corwin evaluates specific opportunities only once a customer RFQ provides quantity, location and required condition.

Replacement and Compatibility Notes

Matching 1764-LRP is only one part of making a successful replacement. Verify the controller power requirements, I/O wiring and output type, hardware series, memory, peripheral cabling, processor configuration, program backup and software support as applicable. A functional successor may require changes to panel wiring, programming and commissioning; Rockwell describes the applicable replacement route as an engineering or functional replacement rather than a universal plug-and-play substitution. Any replacement should be reviewed by an experienced controls technician before installation. For safety-critical machine functions, determine that the system design remains compliant and properly validated.

Request a Quote from Corwin Solutions

Send us your required manufacturer catalog number, quantity, delivery location, target date and any minimum series or firmware requirement. Include a clear photo of the equipment label when possible, and tell us whether surplus-new, tested-used or refurbished parts are acceptable. We can investigate possible independent sources and quote after confirming availability, item condition, supplier credibility, delivered cost and warranty or return policy. Corwin does not claim to have this part on hand, guarantee compatibility or publish a fixed price. Final supply terms will be stated in an individual quotation.