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Rockwell MicroLogix 1500 · Modular CPU

Rockwell 1764-28BXB

Normal sale of the 1764-28BXB has ended. Spares may still be available, but the clock is running.

  1. Active RolloutSold and supported normally
  2. Phase OutRetirement announced, still orderable
  3. CancellationNormal sale ended, spares may remain
  4. Total DiscontinuationNo manufacturer supply or repair

ECS stage: Cancellation.

Is the Rockwell 1764-28BXB discontinued?

On ECS's lifecycle assessment, the 1764-28BXB has been cancelled: no longer sold as a current product, though spares may remain available for a period.

Source: ECS lifecycle assessment, based on ECS's internal lifecycle data in Command Centre. Last checked . Always confirm a specific part's status with the manufacturer before buying or planning a migration.

What Cancellation means for you

You can no longer order it as a normal product, and nothing new should be designed around it. If machines depend on it, you want spare stock you can rely on and a migration plan. Both start with knowing how many you run and whether each has a backup.

How ECS defines Cancellation · all four lifecycle stages

Before replacing a PLC processor

We would secure a current, tested PLC program backup, record the programming software and version, and map the I/O, networks and intelligent modules connected to the controller.

CPU migrations can alter addressing, communications, memory behaviour or firmware requirements, so a newer processor in the same general family is not automatically a drop-in replacement. Proving that the program can actually be restored while the existing controller still runs is one of the most valuable checks a maintenance team can make.

ECS engineering guidance

1764-28BXB part details

Manufacturer
Rockwell Automation
Range
MicroLogix 1500
Name
MicroLogix 1500 28 Point Controller
Summary
MicroLogix 1500 28 Point Controller Base Module. Requires a CPU (Processor) to function - 1764-LSP or 1764-LRP.
Programming software
RSLogix 500
Software versions
Held in Command Centre, matched to firmware

Common questions about the 1764-28BXB

Is the Rockwell 1764-28BXB discontinued?

On ECS's lifecycle assessment, the 1764-28BXB has been cancelled: no longer sold as a current product, though spares may remain available for a period.

Can I still buy a 1764-28BXB?

Not as a normal new product. Remaining distributor stock or designated spares may still be available. Buy any you need now.

How do I back up a 1764-28BXB?

It is programmed with RSLogix 500. The exact software version and cable depend on the unit's firmware. ECS records both for every unit it captures, alongside a verified backup.

An ECS engineer capturing a control panel on a tablet: PLC, drive and power supply identified and synced to Command Centre

With a backup, a failed unit is hours. Without one, it is days.

A Capture audit finds every 1764-28BXB on your site, takes a backup of each one it can reach, and records the software version and cable needed to restore it. When a discontinued unit fails and a replacement turns up, the program is ready to load.

  • Every device located, photographed and lifecycle-checked
  • Backups taken on the day, with software version and cable recorded
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

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