{"product_id":"pm581-eth-1sap140100r0170-abb-central-processing-unit-ac500-series","title":"PM581-ETH 1SAP140100R0170 ABB Central Processing Unit AC500 Series","description":"\u003cp\u003eThe \u003cstrong\u003eABB PM581-ETH 1SAP140100R0170\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePM581-ETH\u003c\/strong\u003e Central Processing Unit, operates as a dedicated hardware component for real-time logic execution and network communication within AC500 Series environments.\u003c\/p\u003e\n\u003ch3\u003ePart Number Structuring \u0026amp; Variant Mapping\u003c\/h3\u003e\n\u003cp\u003eThe hardware ordering code maps directly to the specific execution processor revision and interface options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePM581-ETH\u003c\/strong\u003e: Base central processing unit designation incorporating integrated Ethernet network capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1SAP140100R0170\u003c\/strong\u003e: Standard production catalog code for the 256 kB program memory CPU hardware unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC500\u003c\/strong\u003e: System platform series defining the backplane interface, terminal base compatibility, and I\/O expansion rules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePM581-ETH 1SAP140100R0170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e6.8 cm x 6.3 cm x 7.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem backplane supply load dependent; logic input rated 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Program Memory\u003c\/td\u003e\n\u003ctd\u003e256 kB Flash EPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Data Memory\u003c\/td\u003e\n\u003ctd\u003e416 kB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Depth\u003c\/td\u003e\n\u003ctd\u003e72 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Permissible Operating Altitude\u003c\/td\u003e\n\u003ctd\u003e2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Communication Velocity \u0026amp; Network Determinism\u003c\/h3\u003e\n\u003cp\u003eThe PM581-ETH 1SAP140100R0170 manages rapid data throughput across the local system backplane bus, driving input and output refresh cycles with minimal transmission overhead. Integrated onboard Ethernet supports high-speed connection into Profinet and EtherNet\/IP deterministic networks to handle real-time field data distribution. Firm firmware flash compatibility maintains uninterrupted memory execution and preserves structured data blocks across system power resets.\u003c\/p\u003e\n\u003ch3\u003eDelivery Package Inventory\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB PM581-ETH 1SAP140100R0170 Central Processing Unit Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Mount \u0026amp; Field Wiring Framework\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the terminal base onto a standard TH35-15 DIN rail (35 mm x 15 mm) before sliding the CPU into place.\u003c\/li\u003e\n\u003cli\u003eHorizontal orientation is recommended for optimal convection cooling; vertical mounting requires thermal power derating.\u003c\/li\u003e\n\u003cli\u003eConnect regulated 24 VDC power directly to the terminal base power terminals following correct line polarity.\u003c\/li\u003e\n\u003cli\u003eAttach up to 10 local expansion I\/O modules directly to the right side of the CPU terminal base assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the maximum local I\/O module expansion capacity for the PM581-ETH CPU?\u003c\/p\u003e\n\u003cp\u003eA: A maximum of 10 local I\/O expansion modules can be attached directly to the right side of the CPU terminal base.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How is user program code retained on the module during power-down cycles?\u003c\/p\u003e\n\u003cp\u003eA: The CPU utilizes 256 kB of non-volatile Flash EPROM memory to retain user application logic permanently without battery backup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What input supply voltage is required to power the terminal base and processor?\u003c\/p\u003e\n\u003cp\u003eA: The CPU operates on a nominal supply voltage of 24 VDC connected via the designated terminal base power terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What communication interfaces are integrated into the main physical CPU body?\u003c\/p\u003e\n\u003cp\u003eA: The hardware features an integrated Ethernet port, two serial interfaces (RS232\/RS485), an FBP interface, and an SD card slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can the module be mounted vertically inside a control cabinet?\u003c\/p\u003e\n\u003cp\u003eA: Yes, vertical mounting on TH35-15 DIN rails is supported, but operational ambient temperature limits may require derating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Does the processor support live hot-swapping on the terminal base?\u003c\/p\u003e\n\u003cp\u003eA: No, control supply power must be completely disconnected before removing or inserting the CPU module into its base unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What altitude limitation applies to the standard installation environment?\u003c\/p\u003e\n\u003cp\u003eA: The permissible maximum operating altitude without secondary environmental compensation is 2000 meters above sea level.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What type of memory is designated for runtime user data storage?\u003c\/p\u003e\n\u003cp\u003eA: The processor allocates 416 kB of internal memory dedicated to handling active runtime user data structures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021132157101,"sku":"1SAP140100R0170","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1SAP140100R0170_1.jpg?v=1788844479","url":"https:\/\/www.maxwellplc.com\/ga\/products\/pm581-eth-1sap140100r0170-abb-central-processing-unit-ac500-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}