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About the Allen-Bradley 1756
A modular control system platform designed for scalable industrial automation. The 1756 family offers flexible chassis-based configuration, extensive I/O options and multi-network communication support for manufacturing, process and machine-control applications.
- Trusted Seller
Allen Bradley 1756-L72EROMS Guardlogix On Machine Safety Controller Module Ser B
- Manufacturer: Allen-Bradley
- Model: 1756
“Used” Model number: 1756-L72EROMS | Model line: GUARDLOGIX | Series: SER B | Mpn: 1756-L72EROMS | Shipping weight: 18.6 lbs | Shipping dimensions: 14 x 14 x 10 in | Reference sku: 1077915
- Trusted Seller
Allen-bradley Controllogix 17-slot Chassis With Psu And I/o Modules - 1756-a17
- Manufacturer: Allen-Bradley
- Model: 1756
Used, Untested. (3x)1756-ib16, (2x)1756-ob16e Name: Controllogix 17-slot Chassis With Psu And I/o Modules | Arrival date: 08-28-2025 | Dimensions l x w x h (inches): 31 x 11 x 11 | Weight (lb.): 11 | Available qu...
$250 USDEuclid, OH - Trusted Seller
Allen Bradley Controllogix Power Supply - 1756-pa72
- Manufacturer: Allen-Bradley
- Model: 1756
Used Name: Controllogix Power Supply | Arrival date: 08-18-2025 | Dimensions l x w x h (inches): 16 x 16 x 16 | Electrical: 10A, 47-63Hz, 85-265VAC | Weight (lb.): 6 | Available quantity: 1
$200 USDEuclid, OH - Trusted Seller
Allen Bradley 10/100mbps, 128 Tcp/ip Connections Series-a PLC Module - 1756-enbt
- Manufacturer: Allen-Bradley
- Model: 1756
New Open Box, Replacement Box Name: Series-a PLC 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 quantity...
$504 USDEuclid, OH - Trusted Seller
Allen Bradley Digital Output Module - 1756-oa16k
- Manufacturer: Allen-Bradley
- Model: 1756
Used Name: Digital Output Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 0.5A OUTPUTS, 74-265VAC | Weight (lb.): 6 | Available quantity: 1
$160 USDEuclid, OH - Trusted Seller
Allen Bradley Controllogix Output Module - 1756-oa16
- Manufacturer: Allen-Bradley
- Model: 1756
New Open Box Name: Controllogix Output Module | Arrival date: 07-25-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Electrical: 0.5A OUTPUTS, 10mA, 120-240 VAC | Weight (lb.): 6 | Available quantity: 3
$180 USDEuclid, OH - Trusted Seller
Allen-Bradley Part No: 1756-DNB Series A ControlLogix Communication Module F/W Rev. 3.010
- Manufacturer: Allen-Bradley
- Model: 1756-DNB/A
Allen-Bradley 1756-DNB Series A ControlLogix Communication Module F/W Rev. 3.010 (2) Available
$200 USDToledo, OH - Trusted Seller
Allen Bradley 1756-CNB/A Ser A Rev C01 ControlLogix ControlNet F/W 1.19
- Manufacturer: Allen-Bradley
- Model: 1756
Allen Bradley 1756-CNB/A Ser A Rev C01 ControlLogix ControlNet F/W 1.19
$200 USDToledo, OH 
ALLEN BRADLEY,1756-L61,SER B CONTROLLOGIX PROCESSOR
- Manufacturer: Allen-Bradley
- Model: 1756-L61
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 ...
$160 USDGalion, OH
ALLEN BRADLEY,1756-CNB,SER E COMMUNICATIONS BRIDGE MODULE REFURBISHED
- Manufacturer: Allen-Bradley
- Model: 1756
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...
$90 USDGalion, OH
Allen Bradley,1756-BATM, Ser A Battery Module
- Manufacturer: Allen-Bradley
- Model: 1756
Used and 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 mak...
$60 USDGalion, OH
Allen Bradley,1756-CNB,Series D Control Net Communications Bridge lot of 2
- Manufacturer: Allen-Bradley
- Model: 1756
Used pulled from a working machine upon factory closing, see pictures for details, Bin 168
$48 USDGalion, OH
ALLEN BRADLEY,1756-M08SE,SER B 8 AXIS SERCOS INTERFACE MODULE
- Manufacturer: Allen-Bradley
- Model: 1756
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...
$48 USDGalion, OH
Allen Bradley,1756-DNB,Series A ControlLogix Device Net Communication Module
- Manufacturer: Allen-Bradley
- Model: 1756
Used pulled from a working machine upon factory closing, see pictures for details, Bin 168
$32 USDGalion, OH
ALLEN BRADLEY,1756-L55M23,SER A PROCESSOR MODULE REFURBISHED SEALED
- Manufacturer: Allen-Bradley
- Model: 1756
Refurbished by Rockwell Automation in sealed packaging. 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. Plea...
$600 USDGalion, OH
Allen-Bradley 1756-ENBR/A Programmable Logic Controllers (PLC)
- Manufacturer: Allen-Bradley
- Model: 1756-ENBR/A
Good condition Allen-Bradley 1756-ENBR/A Programmable Logic Controllers (PLC)s. Located in USA and other countries. Click request price for more information.
USA
