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Rockwell FLEX I/O · High Speed / Counter Input Module

Rockwell 1794-IP4

ECS rates the 1794-IP4 as phase-out: still orderable, but on its way out. This is the time to plan, not panic.

  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: Phase Out.

Is the Rockwell 1794-IP4 being discontinued?

On ECS's lifecycle assessment, the 1794-IP4 is in phase-out: still orderable for now, but on its way out.

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 Phase Out means for you

The manufacturer is retiring the part, but you can still buy it. Nothing needs ripping out. Four things are worth doing while it is still easy: find every unit you run, make sure you know where each one is, decide whether to hold spares, and price the move.

How ECS defines Phase Out · all four lifecycle stages

Before replacing a high-speed counter module

High-speed counter applications are sensitive to encoder type, pulse rate, wiring mode, input voltage and the way counts are consumed by the PLC program.

A successor may offer equal or better headline performance while still requiring changes to terminals or logic. We would document the complete signal path and test the migration against the real machine speed before treating the replacement as proven.

ECS engineering guidance

1794-IP4 part details

Manufacturer
Rockwell Automation
Range
FLEX I/O
Name
Flex 4 Input Pulse Counter Module
Summary
1794 Flex, Flex Ex, Flex XT I/O System, Input Module, 4-Channel 12/24VDC Pulse Counter

Common questions about the 1794-IP4

Is the Rockwell 1794-IP4 being discontinued?

On ECS's lifecycle assessment, the 1794-IP4 is in phase-out: still orderable for now, but on its way out.

Can I still buy a 1794-IP4?

Yes, through normal channels during the phase-out period. It is the cheapest point to buy any spares you want to hold.

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

Know where every unit is before one fails.

A Capture audit finds every 1794-IP4 on your site, photographs it where it sits and checks it against manufacturer lifecycle status, so you know your exposure and where your spares are before a failure stops a line.

  • Every device located, photographed and lifecycle-checked
  • Findings report, plus a populated Command Centre
  • No production downtime
See how Capture works

Other FLEX I/O parts

All Rockwell parts · All manufacturers