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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.

ALLEN BRADLEY,1771-AL,I/O ADAPTER MODULE LOT OF 2
- 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 ...
$36 USDGalion, OH
ALLEN BRADLEY,1771-IGD,INPUT 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 ...
$25 USDGalion, OH
ALLEN BRADLEY,1771-OFE1,ANALOG 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 ...
$25 USDGalion, OH
Allen-Bradley,1771-IAD,Ser D 120V AC/DC Input Module Refurbished
- Manufacturer: Allen-Bradley
- Model: 1771
Refurbished by Rockwell Automation. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictur...
$30 USDGalion, OH
ALLEN BRADLEY,1771-IAD,SER B INPUT MODULE REFURBISHED
- Manufacturer: Allen-Bradley
- Model: 1771
Refurbished in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to...
$30 USDGalion, OH
ALLEN BRADLEY,1771-OFE1,SER B ANALOG OUTPUT MODULE
- Manufacturer: Allen-Bradley
- Model: 1771
Used in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to make s...
$20 USDGalion, OH
ALLEN BRADLEY,1771-AL,I/O ADAPTER 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 ...
$20 USDGalion, OH
Allen Bradley,1771-P7 B,Power Supply Module
- Manufacturer: Allen-Bradley
- Model: 1771-P7B
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 ...
$20 USDGalion, OH
Alen Bradley,1771-OAD,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 ...
$8 USDGalion, OH
Allen Bradley,1771-IAD D,120V AC/DC Input 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 ...
$8 USDGalion, OH
Allen Bradley,1771-OFE1 B,Analog Output Module 12 Bit
- Manufacturer: Allen-Bradley
- Model: 1771-OFE1/B
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 ...
$12 USDGalion, OH
Allen Bradley,1771-OBD,10 to 60 VDC 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 ...
$12 USDGalion, OH
Allen Bradley,1771-OAD,12 to 120V AC 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 ...
$12 USDGalion, OH
ALLEN BRADLEY,1771-CK,POWER CHASSIS CABLE NOS
- Manufacturer: Allen-Bradley
- Model: 1771
ALLEN BRADLEY,1771-CK,POWER CHASSIS CABLE NOS 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 b...
$25 USDGalion, OH
ALLEN BRADLEY,1771-IFE,SER C FW B ANALOG INPUT MODULE REFURBISHED
- Manufacturer: Allen-Bradley
- Model: 1771-IFE
Refurbished by Rockwell Automation. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictur...
$800 USDGalion, OH
Allen-Bradley 1771-OFE2 Programmable Logic Controllers (PLC)
- Manufacturer: Allen-Bradley
- Model: 1771-OFE2
Good condition Allen-Bradley 1771-OFE2 Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.
USA

