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About the Allen-Bradley PLC-4
The Allen-Bradley PLC-4 is a vintage rack-based programmable logic controller known for robust industrial control in legacy automation systems. Designed for modular I/O and reliable ladder-logic control, it remains sought after for refurbishing, retrofitting and supporting older production lines where original compatibility and proven durability matter.
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Allen Bradley 1756-IA16 Ser A Rev E01 FW 2.4 AC Input Module ControlLogix PLC (DW7851-1)
- Manufacturer: Allen-Bradley
- Model: PLC-4
Allen Bradley ControlLogix MPN: 1756-IA16 USED AC Input PLC Module Series A - Cat. Rev. E01 - F/W Rev. 2.4 Plastic clip is broken on bottom of cover (see pictures) Part No. 96259074 A01 30 day warranty on all pur...
$123 USDChattanooga, TN 
Allen-Bradley 1785-L86B Series E PLC-5/86 Processor Module 4G
- Manufacturer: Allen-Bradley
- Model: PLC-4
Palmetto Automation Inc. of Duncan SC specializes in buying, selling, and repairing obsolete Used, Refurbished, and New industrial electronic equipment. Most of our used equipment goes through basic power bench t...
$2,160 USDDuncan, SC