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About the Allen-Bradley 1771
The Allen-Bradley 1771 is a legacy modular I/O system designed for industrial control and machine automation. Built for reliability in harsh environments, it offers broad I/O module variety and simple integration into older PLC installations, making it a common choice for maintenance, retrofit and spare-parts applications.
- Trusted Seller
ALLEN BRADLEY 1771-0Q16 SERIES B ISOLATED DC OUTPUT MODULE 10-32VDC #L-526
- Manufacturer: Allen-Bradley
- Model: 1771
ALLEN BRADLEY 1771-0Q16 SERIES B ISOLATED DC OUTPUT MODULE 10-32VDC #L-526 30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM CLOSED LOCATIONS AND OTHER TRUSTE...
$50 USDMontgomeryville, PA - Trusted Seller
ALLEN BRADLEY 1771-IAD SERIES D 120V AC/DC INPUT MODULE REV C01 STOCK #1788
- Manufacturer: Allen-Bradley
- Model: 1771
$30 USDMontgomeryville, PA - Trusted Seller
ALLEN BRADLEY 1771-0W SELECTABLE CONTACT OUTPUT MODULE SER A STOCK #1794
- Manufacturer: Allen-Bradley
- Model: 1771
ALLEN BRADLEY 1771-0W SELECTABLE CONTACT OUTPUT MODULE SER A *REV VARIATIONS* STOCK #1794 30 DAY RIGHT TO RETURN (FREE RETURNS DOMESTICALLY) AUTHENTICITY GUARANTEED! WE SOURCE OUR PRODUCTS FROM CLOSED LOCATIONS A...
$40 USDMontgomeryville, PA 
ALLEN BRADLEY,1771-DXPS,CONTROL COPROCESSOR SERIAL EXPANDER MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Used in good condition. Part was pulled from operation upon factory shutdown and has been in storage since. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multi...
$160 USDGalion, OH- Trusted Seller
Allen Bradley 1771-AR Ser B
- Manufacturer: Allen-Bradley
- Model: 1771
New 30 day warranty Wr33 Mpn: 1771-AR | Ebay product id (epid): 143698045 | Controller platform: Series 1 | Type: I/O Module
$299 USDAllendale, MI - Trusted Seller
Allen Bradley 1771-IE 8 Bit Analog Input Module
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty WrD Mpn: 1771IE | Ebay product id (epid): 169956494
$199 USDAllendale, MI - Trusted Seller
ALLEN BRADLEY 1771-ASB/C ADAPTER MODULE REV E SERIES C
- Manufacturer: Allen-Bradley
- Model: 1771-ASB/C
Came from working unit 30 day warranty WrA Mpn: 1771-ASB | Type: I/O Module | Make: Allen-Bradley | Controller platform: PLC-5
$199 USDAllendale, MI - Trusted Seller
ALLEN BRADLEY 1771-ASB SER. D
- Manufacturer: Allen-Bradley
- Model: 1771-ASB
Came from working unit 30 day warranty WrG
$199 USDAllendale, MI 
Allen Bradley,1771-0G,Output Module
- Manufacturer: Allen-Bradley
- Model: 1771
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 ...
$100 USDGalion, OH
ALLEN BRADLEY,1771-DMC1,CONTROL COPROCESSOR
- Manufacturer: Allen-Bradley
- Model: 1771
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 ...
$100 USDGalion, OH- Trusted Seller
ALLEN BRADLEY 1771-IAD SER. B INPUT MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working system, 30 day warranty, WrN Mpn: 1771-IAD SER.B
$19 USDMuskegon, MI - Trusted Seller
ALLEN BRADLEY 1771 ASB Series B Rev f Remote I/O Adapter Module
- Manufacturer: Allen-Bradley
- Model: 1771-ASB
Came from working system, 30 day warranty, WrQ Mpn: 1771 ASB | Type: Output Module
$49 USDMuskegon, MI - Trusted Seller
Allen Bradley 1771 IVN/ B
- Manufacturer: Allen-Bradley
- Model: 1771
Came from working unit 30 day warranty WRG
$50 USDMuskegon, MI - Trusted Seller
Allen-Bradley 1771-IBD/B
- Manufacturer: Allen-Bradley
- Model: 1771-IBD/B
Came from working system, 30 day warranty, WrB Mpn: 1771-IBD/B | Country of manufacture: United States
$59 USDMuskegon, MI - Trusted Seller
Allen-Bradley 1771-WA Swing Arm
- Manufacturer: Allen-Bradley
- Model: 1771
New 30 day warranty Wr19 Bin3 Mpn: 1771WA
$10 USDAllendale, MI