About the Allen-Bradley 1747-L542
The Allen-Bradley 1747-L542 is a compact, rack-mounted PLC designed for mid-sized industrial control applications. It provides reliable logic processing, straightforward ladder-program compatibility and common legacy communications to integrate with existing SLC 500 systems. Ideal for manufacturers maintaining older automation lines, the 1747-L542 balances durability and straightforward serviceability for production environments.
- Trusted Seller
Allen Bradley 1747-L542 Ser A Rev 2
- Manufacturer: Allen-Bradley
- Model: 1747-L542
missing door Came from working unit 30 day warranty Wr29 Bin3
$199 USDAllendale, MI - Trusted Seller
Allen-Bradley 1747-L542 Ser A Rev 2
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Came from a working unit 30 day warranty Wr21
$200 USDMuskegon, MI - Trusted Seller
Allen Bradley, SLC 500, 1747-L542, SER C
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Came from working unit 30 day warranty Wr2 Mpn: 1747-L542 | Controller platform: SLC 500 | Frn: 4 | Type: Processor Unit | Accessories included: A Single Key, and a Good Battery | Make: Allen Bradley
$250 USDMuskegon, MI ERI... Allen-Bradley 1747-L542/A Processor/Controller. Loc3A11
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Allen-Bradley 1747-L542/A Processor/Controller ##Without front cover and there is a small broken part *see fotos## Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Us...
$89 USDDuncan, SCAllen Bradley 1747-L542 /C SLC Processor Unit Rev 7 (4.5.4)
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Allen Bradley 1747-L542 /C SLC Processor Unit Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Most of our u...
$50 USDDuncan, SCAllen Bradley 1747-L542 /B Rev 3 SLC 500 5/04 CPU (4.3.3)
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Allen Bradley 1747-L542 /B Rev 3 SLC 500 5/04 CPU EACH*** Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. M...
$63 USDDuncan, SCAllen Bradley 1747-L542 /A SLC Processor Unit (4.5.5)
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Allen Bradley 1747-L542 /A SLC Processor Unit Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Most of our u...
$54 USDDuncan, SC- Trusted Seller
ALLEN BRADLEY 1747-L542 PROCESSOR MODULE ($220 OBO)
- Manufacturer: Allen-Bradley
- Model: 1747-L542
“USED, EXCELLENT” ALLEN BRADLEY 1747-L542 PROCESSOR MODULE 5-24 VDC 32K 0.9 MS/K SLC 500 SERIES 1000 MA 200 MA ***Local deliveries available, simply message us before purchasing so we can properly adjust the list...
$220 USDWaukesha, WI - Trusted Seller
Allen Bradley Slc Controller Processor - 1747-l542
- Manufacturer: Allen-Bradley
- Model: 1747-L542
New, Open Box Name: Slc Controller Processor | Arrival date: 10-10-2025 | Dimensions l x w x h (inches): 11 x 9 x 7 | Weight (lb.): 1 | Available quantity: 1
$120 USDEuclid, OH 
ALLEN BRADLEY,1747-L542,SER C PROC. REV 7 PROCESSOR UNIT
- Manufacturer: Allen-Bradley
- Model: 1747-L542
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...
$600 USDGalion, OH- Trusted Seller
Electrical - [LOT of 3 ] Allen-Bradley SLC 5/04 CPU Controller 1747-L542
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Contact us for more information.
$600 USDMillwood, WV - Trusted Seller
Allen Bradley - 1747-L542 Ser B - SLC 500 Processor Unit SLC 5/04 CPU
- Manufacturer: Allen-Bradley
- Model: 1747-L542
PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. All questions must be submitted PRIOR to auction close. *Your purchase includes a 30 da...
$125 USDSuwanee, GA - Trusted Seller
Allen Bradley 1747-L542 Series B Processor Unit SLC 500
- Manufacturer: Allen-Bradley
- Model: 1747-L542
PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. Please submit all questions PRIOR to your purchase. If applicable, we will gladly refun...
$125 USDSuwanee, GA - Trusted Seller
ALLEN BRADLEY 1747-L542 SER.C REV. 7
- Manufacturer: Allen-Bradley
- Model: 1747-L542
Came from working unit 30 day warranty WrK Mpn: 1747-L542
$325 USDMuskegon, MI - Trusted Seller
ALLEN BRADLEY 1747-L542 PROCESSOR MODULE ($220 OBO)
- Manufacturer: Allen-Bradley
- Model: 1747-L542
ALLEN BRADLEY 1747-L542 PROCESSOR MODULE 5-24 VDC 32K 0.9 MS/K SLC 500 SERIES 1000 MA 200 MA ***Local deliveries available, simply message us before purchasing so we can properly adjust the listing for you. Pleas...
$220 USDWaukesha, WI
