{"product_id":"256-kb-ethernet-cpu-abb-pm581-eth-ac500","title":"256 kB Ethernet CPU | ABB PM581-ETH AC500","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe ABB PM581-ETH is an AC500 programmable logic controller processor module with 256 kB of program memory and an integrated Ethernet communication coupler. It is designed for industrial machine control, process automation, and network-connected PLC applications.\u003c\/p\u003e\n\u003ch3\u003eCore Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: ABB\u003c\/li\u003e\n\u003cli\u003eModel: PM581-ETH\u003c\/li\u003e\n\u003cli\u003eProduct Family: AC500\u003c\/li\u003e\n\u003cli\u003eProduct Type: Ethernet PLC Processor Module\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 24 V DC\u003c\/li\u003e\n\u003cli\u003eProgram Memory: 256 kB\u003c\/li\u003e\n\u003cli\u003eIntegrated Communication: Ethernet TCP\/IP\u003c\/li\u003e\n\u003cli\u003eSerial Interfaces: 2 configurable RS-232\/RS-485 interfaces\u003c\/li\u003e\n\u003cli\u003eFieldbus Interface: 1 FieldBusPlug (FBP)\u003c\/li\u003e\n\u003cli\u003eDisplay: Integrated status display\u003c\/li\u003e\n\u003cli\u003eMemory Card: Removable memory card slot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides 256 kB of PLC program memory.\u003c\/li\u003e\n\u003cli\u003eIntegrated Ethernet coupler supports network communication.\u003c\/li\u003e\n\u003cli\u003eTwo configurable serial interfaces support industrial device integration.\u003c\/li\u003e\n\u003cli\u003eIntegrated display and function keys assist system diagnostics.\u003c\/li\u003e\n\u003cli\u003eSupports compatible AC500 modular controller configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the program memory capacity?\u003c\/strong\u003e\u003cbr\u003eA: The PM581-ETH provides 256 kB of program memory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this CPU have integrated Ethernet?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It includes an Ethernet communication coupler.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the operating supply voltage?\u003c\/strong\u003e\u003cbr\u003eA: It uses a 24 V DC supply.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify compatibility with the AC500 terminal base.\u003c\/li\u003e\n\u003cli\u003eSwitch off system power before installation.\u003c\/li\u003e\n\u003cli\u003eMount the CPU in the designated terminal base position.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 V DC supply and communication wiring.\u003c\/li\u003e\n\u003cli\u003eConfigure Ethernet and serial communication settings.\u003c\/li\u003e\n\u003cli\u003eLoad the PLC program and verify controller status.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cp\u003eConfirm the PM581-ETH order number, terminal base type, and communication requirements before ordering. Check the existing program memory capacity and firmware compatibility when selecting a replacement CPU.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":67954531795011,"sku":"ABB PM581-ETH","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/PM581-ETH_1_r180.jpg?v=1794384243","url":"https:\/\/www.plcdcspro.com\/th\/products\/256-kb-ethernet-cpu-abb-pm581-eth-ac500","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}