• $ 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 » Programmable Logic Controllers (PLC) » Allen-Bradley » 1756

Search By Model

  • 1756-DNB/A (5)
  • 1756-A17/B (3)
  • 1756-IB16/A (3)
  • 1756-A10 (1)
  • View all »
  • 1756-A13 (1)
  • 1756-CNB/E (1)
  • 1756-ENBT/A (1)
  • 1756-OB16E/A (1)
  • 1756-OB32 (1)
  • 1756-TBCH/A (1)

Search By Model

  • 1756-A10 (1)
  • 1756-A13 (1)
  • 1756-A17/B (3)
  • 1756-CNB/E (1)
  • 1756-DNB/A (5)
  • 1756-ENBT/A (1)
  • 1756-IB16/A (3)
  • 1756-OB16E/A (1)
  • 1756-OB32 (1)
  • 1756-TBCH/A (1)

Search By Country

  • USA (94)
  • China (4)
  • Bulgaria (2)
  • Hungary (1)
  • Bulgaria (2)
  • China (4)
  • Hungary (1)
  • USA (94)

Building Filters

Related Events

Machinery Network Auctions logo
Live Now

Auction of Plastic Injection Molding Facility

by Machinery Network Auctions

Online
Ends Nov 4th, 17:00 CST
View event
101

Used controllers/interfaces

  • Trusted Seller
    Allen Bradley Controllogix Network Interface

    Allen Bradley Controllogix Network Interface Module

    • Manufacturer: Allen-Bradley
    • Model: 1756

    New Open Box Name: Controllogix Network Interface Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Capacity: 10/100MBPS, 128 TCP/IP CONNECTIONS | Weight (lb.): 6 | Available quantit...

    $504 USD
    Euclid, OH
  • Trusted Seller
    Allen Bradley 1756-M03SE/A rev 15.37

    Allen Bradley 1756-M03SE/A rev 15.37 Sercos Interface Module

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Came from working unit 30 day warranty WrC Mpn: 1756-M03SE/A

    $199 USD
    Muskegon, MI
  • Trusted Seller
    Allen-Bradley 1756-EN2TR SER B Ethernet

    Allen-Bradley 1756-EN2TR SER B Ethernet Interface Module MFG. P/N 65699

    • Manufacturer: Allen-Bradley
    • Model: 1756

    “THIS ITEM WAS TAKEN FROM A PROTOTYPE MACHINE THAT CAME FROM AN R&D LAB. IT HAS SEEN VERY LIMITED USE. YOUR SATISFACTION IS ASSURED.” YOU ARE PURCHASING ONE ALLEN BRADLEY CAT. NO. 1756-EN2TR SER B WITH A PAR...

    $1,529 USD
    Austinville, VA
  • Trusted Seller
    Allen Bradley 1756-DHRIO/C ControlLogix Communication

    Allen Bradley 1756-DHRIO/C ControlLogix Communication Interface, Ser C, *Tested*

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $50 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1756-DHRIO/C ControlLogix Communication

    Allen Bradley 1756-DHRIO/C ControlLogix Communication Interface Ser C, *Tested*

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. *Your purchase includes a 30 ...

    $30 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1756-DHRI0/B DH +

    Allen Bradley 1756-DHRI0/B DH + RI0 Communication Interface

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected...

    $150 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1756-DHRI0 D DH+RI0

    Allen Bradley 1756-DHRI0 D DH+RI0 Communication Interface, REV. 6.2

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected...

    $150 USD
    Suwanee, GA
  • Allen-Bradley 1756-M03SE /A 3 Axis

    Allen-Bradley 1756-M03SE /A 3 Axis Sercos Interface Module (5.4.5)

    • Manufacturer: Allen-Bradley
    • Model: 1756

    Allen-Bradley 1756-M03SE /A 3 Axis Sercos Interface Module Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. ...

    $43 USD
    Duncan, SC
  • Trusted Seller
    Allen Bradley 1756-DHRIO/C ControlLogix, Communication

    Allen Bradley 1756-DHRIO/C ControlLogix, Communication Interface, B01, Series C

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected...

    $80 USD
    Suwanee, GA
  • Trusted Seller
    Allen Bradley 1756-DHRI0D DH +

    Allen Bradley 1756-DHRI0D DH + RI0 Communication Interface, REV. 6.3

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected...

    $150 USD
    Suwanee, GA
  • Trusted Seller
    AB 1756-DNB D Module Communication

    AB 1756-DNB D Module Communication Module Interface Module #K-876

    • Manufacturer: Allen-Bradley
    • Model: 1756

    AB 1756-DNB B Module Communication Module Interface Module #K-876 Thank you for Shopping with ElectricalPS!30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM C...

    $65 USD
    Montgomeryville, PA
  • Trusted Seller
    AB 1756-DNB D Module Communication

    AB 1756-DNB D Module Communication Module Interface Module #K-932

    • Manufacturer: Allen-Bradley
    • Model: 1756

    AB 1756-DNB B Module Communication Module Interface Module #K-932 Thank you for Shopping with ElectricalPS!30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM C...

    $65 USD
    Montgomeryville, PA
  • Trusted Seller
    AB 1756-DNB D Module Communication

    AB 1756-DNB D Module Communication Module Interface Module #K-875

    • Manufacturer: Allen-Bradley
    • Model: 1756

    AB 1756-DNB B Module Communication Module Interface Module #K-875 Thank you for Shopping with ElectricalPS!30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM C...

    $65 USD
    Montgomeryville, PA
  • Trusted Seller
    AB 1756-DNB D Module Communication

    AB 1756-DNB D Module Communication Module Interface Module #K-851

    • Manufacturer: Allen-Bradley
    • Model: 1756

    AB 1756-DNB B Module Communication Module Interface Module #K-851 Thank you for Shopping with ElectricalPS!30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM C...

    $65 USD
    Montgomeryville, PA
  • Trusted Seller
    Allen Bradley 1756-DHRIO Ser E

    Allen Bradley 1756-DHRIO Ser E DH+/RIO Communication interface, F/W REV. 7.2

    • Manufacturer: Allen-Bradley
    • Model: 1756

    PLEASE REVIEW: We would ask that potential buyers please examine the photographs carefully, and understand what you are buying. All questions should be submitted prior to your purchase. Your purchase is protected...

    $125 USD
    Suwanee, GA
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