• $ USD
    USD - United States Dollar (US$)EUR - Euro (€)GBP - British Pound (£)CAD - Canadian Dollar (C$)AUD - Australian Dollar (A$)BRL - Brazilian Real (R$)MXN - Mexican Peso (Mex$)NZD - New Zealand Dollar (NZ$)JPY - Japanese Yen (¥)CNY - Chinese Renminbi Yuan (CN¥)INR - Indian Rupee (₹)TRY - Turkish Lira (₺)THB - Thai Baht (฿)PLN - Polish Zloty (zł)ZAR - South African Rand (R)AED - United Arab Emirates Dirham (د.إ)RUB - Russian Ruble (₽)RON - Romanian Leu (Lei)HUF - Hungarian Forint (Ft)BOB - Bolivian Boliviano (Bs)
  • Loading...
  • Sell on Machinio
  • Testimonials
  • Log In / Sign Up
Skip to search inputSkip to categories
Machinio
Tip: Enter manufacturer, model or keyword

Industrial Automation » Input/Output Modules » Allen-Bradley » 1734

Search By Model

  • 1734-EP24DC (9)
  • 1734-IB8 D (7)
  • View all »
  • 1734-IB8S B (5)
  • 1734-IB8 C (3)
  • 1734-FPD (1)

Search By Model

  • 1734-EP24DC (9)
  • 1734-FPD (1)
  • 1734-IB8 C (3)
  • 1734-IB8 D (7)
  • 1734-IB8S B (5)

Search By Country

  • USA (93)
  • Poland (3)
  • View all »
  • Canada (1)
  • China (1)
  • France (1)
  • Canada (1)
  • China (1)
  • France (1)
  • Poland (3)
  • USA (93)

Building Filters

Related Events

AllSurplus logo
Live Now

Unused Cosmetic Compounding System

by AllSurplus

Online
Ends Nov 28th, 2:00 CST
View event
113

Used plc input and output modules

  • Trusted Seller
    Allen Bradley Input Output Module

    Allen Bradley Input Output Module 1734-IV8

    • Manufacturer: Allen-Bradley
    • Model: 1734

    You are buying one (1) Allen Bradley Input Output Module 1734-IV8. It is new in factory packaging.

    $129 USD
    Austinville, VA
  • Allen-Bradley 1734-IE2C Ser.C / 1734-TOPS

    Allen-Bradley 1734-IE2C Ser.C / 1734-TOPS A. PLC Input Module. 3B-20

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Allen-Bradley 1734-IE2C / 1734-TOPS A. PLC Input Module. 3B-20 We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, Sensors, Process Contro...

    $89 USD
    Duncan, SC
  • ALLEN BRADLEY,1734-AENTR,SER B FW 5.012

    ALLEN BRADLEY,1734-AENTR,SER B FW 5.012 POINT I/O DUAL PORT NETWORK ADAPTOR NEW

    • Manufacturer: Allen-Bradley
    • Model: 1734

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $800 USD
    Galion, OH
  • ALLEN BRADLEY,1734-AENTR,SER B POINT I/O

    ALLEN BRADLEY,1734-AENTR,SER B POINT I/O DUAL PORT NETWORK ADAPTOR NEW

    • Manufacturer: Allen-Bradley
    • Model: 1734

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $750 USD
    Galion, OH
  • Allen-Bradley 1734-OB4 Ser.C / 1734-TOPS.

    Allen-Bradley 1734-OB4 Ser.C / 1734-TOPS. PLC Output Module. 3B-18

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Allen-Bradley 1734-OB4 / 1734-TOPS. PLC Output Module. 3B-18 We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, Sensors, Process Controls...

    $22 USD
    Duncan, SC
  • Allen-Bradley 1734-OE2C Ser. C PLC

    Allen-Bradley 1734-OE2C Ser. C PLC Output Module. 3E-30 10612598205292

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Allen-Bradley 1734-OE2C PLC Output Module. 3E-30 We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, PLC's, Sensors, Process Controls and Timers...

    $153 USD
    Duncan, SC
  • Trusted Seller
    Allen Bradley 1734-EP24DC Ser B

    Allen Bradley 1734-EP24DC Ser B Rev Extension Power Module/ 1734-RTB SER A

    • Manufacturer: Allen-Bradley
    • Model: 1734-EP24DC

    Came from working unit 30 day warranty

    $110 USD
    Muskegon, MI
  • Trusted Seller
    Allen Bradley 1734-IB8 Series D

    Allen Bradley 1734-IB8 Series D Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1734

    PLEASE REVIEW: We would ask that potential buyers please view all of the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. Your purchase includes a...

    $50 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-ADN Ser B.

    Allen Bradley 1734-ADN Ser B. 1734-RTB Ser A

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Came from working unit 30 day warranty Wr19 Bin8 Mpn: 1734-ADN | Controller platform: Point I/O

    $29 USD
    Allendale, MI
  • Allen Bradley 1734-FPD/B Point I/O

    Allen Bradley 1734-FPD/B Point I/O PLC Module, 24VDC. 3D-41

    • Manufacturer: Allen-Bradley
    • Model: 1734-FPD

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $36 USD
    Duncan, SC
  • Allen Bradley 1734-TOP SER A

    Allen Bradley 1734-TOP SER A POINT I/O Module PLC Terminal. 3D-28

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Allen Bradley 1734-TOP SER A POINT I/O Module PLC Terminal. Here at Palmetto Automation Inc. we endeavor to provide otherwise high cost parts at decent wholesale prices. Buy with confidence. Money back guarantee....

    $68 USD
    Duncan, SC
  • Trusted Seller
    Allen Bradley 1734-IB8S Series B

    Allen Bradley 1734-IB8S Series B Point Guard I/O Safety Input Module

    • Manufacturer: Allen-Bradley
    • Model: 1734

    PLEASE REVIEW: We would ask that potential buyers please view all of the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. Your purchase includes a...

    $795 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1734-OB4E Ser C

    Allen Bradley 1734-OB4E Ser C

    • Manufacturer: Allen-Bradley
    • Model: 1734

    New 30 day warranty Wr27 Bin 4 Mpn: 1734-OB4E | Country/region of manufacture: Singapore | Oem product description: POINT I/O 4 POINT DIGITAL OUTPUT MODULE | Unspsc: 32151602 | Universal product code (upc): 61259...

    $30 USD
    Muskegon, MI
  • Trusted Seller
    Allen-Bradley 1734-OB8E Ser C

    Allen-Bradley 1734-OB8E Ser C

    • Manufacturer: Allen-Bradley
    • Model: 1734

    Came from a working unit 30 day warranty Wr38 Bin3

    $40 USD
    Muskegon, MI
  • Allen Bradley 1734-IB8/D Sink Input

    Allen Bradley 1734-IB8/D Sink Input Module w/1734-MB Base. 3D-41

    • Manufacturer: Allen-Bradley
    • Model: 1734-IB8 D

    Items are spares/engineering demo hookups that were pulled from an industrial working environment. We repair all types of industrial automation including AC Servo Drives, Servo Motors, Operator Interface Panels, ...

    $59 USD
    Duncan, SC
Show More Results
12345

About

  • About Machinio
  • About Liquidity Services
  • Careers
  • Testimonials
  • Media

Sellers

  • Become a Seller

Dealer Software

  • Machinio System

Buyers

  • Upcoming Auctions

Liquidity Services Brands

Surplus Aggregator

Property Surplus

Government Surplus

Retail Surplus

Machinery Surplus

Consumer Surplus

Subscribe

  • Manage Preferences

Follow Us

Open FacebookOpen LinkedinOpen X-TwitterOpen YouTube

© 2025 Machinio Corp., a subsidiary of Liquidity Services, Inc.

  • Contact Us
  • Privacy Policy
  • User Agreement
  • Manage Cookies
  • machinio.com
    machinio.commachinio.demachinio.itmachinio.frmachinio.esmachinio.mxmachinio.aumachinio.co.nzmachinio.nlmachinio.jpmachinio.com.cnmachinio.com.br