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The 621-0024R is a

Honeywell 4-point, 25 VDC, 100 kHz Pulse Input Module, designed for industrial control (PLC) systems like the Honeywell ISSC 600 series, used to count rapid digital signals from devices like encoders or flow meters, often found as replacement parts on platforms like eBay and Classic Automation.

Key Specifications & Features:

Brand: Honeywell
Type: Pulse Input Module (for PLC/Industrial Automation)
Points: 4
Voltage: 25 VDC
Speed: Up to 100 kHz
System: Part of the Honeywell ISSC 600 System
Status: Often listed as discontinued by the manufacturer but available as used/new surplus.

621-0024R - Pulse Input Module - Honeywell - PLC - Input
Dec 24, 2025 — Honeywell Pulse Input Module 621-0024R PLC > Input - Tallertronic is your best partner to sell, buy and repair your in...
tallertronic.com
Honeywell 621-0024r Input Module Pulse 6210024R - eBay
All listings for this product * Honeywell 621-0024R Used UMP. $23.98. +$36.00 shipping. * Honeywell 621-0024R New NFP. $38.40. +$3...
eBay
HONEYWELL 621-0024-R PLC MODULE - eBay
6210024R • DISCONTINUED BY MANUFACTURER • PULSE INPUT MODULE • 4 POINT • 25 VDC • 100 KHZ.
eBay

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Honeywell 621-0024R Input Module 621-0024-R ...

eBay

https://www.ebay.com › itm

eBay

https://www.ebay.com › itm

Honeywell 621-0024R Input Module 621-0024-R 6210024R. NEW IN BOX-- Opened for inspection/photo-taking purposes only. Part is new and unused (see photos for ...

621-0024-R PLC Module/Rack by HONEYWELL

Radwell International

https://www.radwell.com › Buy › HONEYWELL

Radwell International

https://www.radwell.com › Buy › HONEYWELL

PLC Module/Rack; Weight 1.36 lbs. Product Information. Description: 6210024R. DISCONTINUED BY MANUFACTURER. PULSE INPUT MODULE. 4 POINT. 25 VDC. 100 KHZ.Read more

Honeywell 621-0024 Pulse Input Module

Classic Automation

https://www.classicautomation.com › Honeywell

Classic Automation

https://www.classicautomation.com › Honeywell

Product Family: Honeywell ISSC 600 System. Alternate Part Numbers: 621-0024R 621-0024RC. Used/Refurbished. Price - $412.00. Lead Time. :IN STOCK. In Stock.Read more

$412.00In stock$26.17 delivery30-day returns

Honeywell 621-0024r Input Module Pulse 6210024R

eBay

https://www.ebay.com › ... › PLC Processors

eBay

https://www.ebay.com › ... › PLC Processors

Find many great new & used options and get the best deals for Honeywell 621-0024r Input Module Pulse 6210024R at the best online prices at eBay!

$38.40

Honeywell 621-0024-R PLC Module

SIGMA Surplus

https://sigmasurplus.com › PLC Modules

SIGMA Surplus

https://sigmasurplus.com › PLC Modules

Product Specifications; 6210024R; DISCONTINUED BY MANUFACTURER; PULSE INPUT MODULE; 4 POINT; 25 VDC; 100 KHZ. HONEYWELL 621-0024-R PLC MODULE. Honeywell.Read more

$215.99In stock$13 delivery30-day returns

HONEYWELL 621-0024R INPUT MODULE PULSE ...

BTM Industrial

https://auctions.btmindustrial.com › HONEYWELL-62...

BTM Industrial

https://auctions.btmindustrial.com › HONEYWELL-62...

All Parts sold are believed to be in GOOD WORKING ORDER unless otherwise stated! SOLD 55.00 + 8.25BPUSDto p******* ...Read more

621-0024R - Pulse Input Module - Honeywell - PLC

Tallertronic

https://tallertronic.com › index.php › spareparts › 621-...

Tallertronic

https://tallertronic.com › index.php › spareparts › 621-...

Honeywell 621-0024R. Pulse Input Module. Man. nr: 621-0024R Category: PLC > Input Brand: Honeywell. Availability (Last check at: 2025-12-24 23:35:02).