Click to expand Tap to zoom Allen-Bradley 1747-L542 Proccessor Unit SLC 500 SER 7 by EcoTech Solutions Inc. Sale $6,156.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Allen-Bradley 1747-L542 Proccessor Unit SLC 500 SER 7