Used PLC
Longi supplies Used PLC for machine control, production line maintenance and PLC system replacement. This category includes CPU modules, I/O modules, communication modules, power modules and related PLC accessories for factories, production lines, laboratories and technical service teams.
Our used plc are selected for practical industrial use, stable performance and reliable replacement needs. Longi can help customers confirm suitable models, compatible parts, working condition and application details before purchase.
Related product categories
Explore related Longi categories to help compare products, replacement parts and industrial automation accessories:
Used Siemens PLCOther PLCs and ModulesBeckhoff PLCUsed B&R PLC
Showing 1–12 of 78 results
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ABB AC500 PLC CPU Module with Expansion Communication Module CM589-PNIO – 1SAP172900R0111, Stock Item, Nearly New
$513.69 Add to cart -
ABB DI562 B2 PLC Module – 1TNE968902R2102, Original Dismantled, Quality Assured
$113.01 Add to cart -
ABB PLC CPU Module PM564-RP-ETH-AC 1SAP121100R0071 for AC500-eCo – Original Dismantled, Fully Functional
$123.28 Add to cart -
ABB PLC Module 1SAP150100R0271 (PM591-ETH) with Base – Nearly New
$1,643.83 Add to cart -
ABB PLC Module PM591-ETH with Base, Nearly New – 1SAP150100R0271
$337.77 Add to cart -
ABB PLC Module S800 I/O DI801 – 3BSE020508R1, Original Dismantled, Quality Assured
$71.91 Add to cart -
ABB PLC Module S800 I/O DO801 – 3BSE020510R1, Original Dismantled, Quality Assured
$71.91 Add to cart -
ABB PM554-R PLC Module – AC500 Series, Original Dismantled, Quality Assured
$20.54 Add to cart -
ABB PM554-TP-ETH PLC Main Module – Original Dismantled, Fully Functional, Quality Assured
$164.38 Add to cart -
AC800F SA801F SD802F Controller with Fieldbus Functionality – Original Dismantled, Quality Assured
$267.12 Add to cart -
AI523 B9 ABB PLC Analog Input Module 1SAP250300R0001, Original Demolished, Quality Assured
$246.57 Add to cart -
AI561 A1 ABB PLC Module, Original Demolished, Quality Assured
$51.36 Add to cart
Showing 1–12 of 78 results