{"product_id":"abb-pm857k02-redundant-safety-plc-dual-processor","title":"ABB PM857K02 Redundant Safety PLC | Dual Processor","description":"\u003ch2\u003e\u003cstrong\u003ePM857K02 Redundant AC 800M High Integrity Controller Package\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePM857K02\u003c\/strong\u003e from ABB provides a complete redundant controller solution for critical automation applications. This package includes two PM857 processor units with all necessary components for high-availability operation. It delivers both process control and safety functionality up to SIL 3 when configured with safety modules.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo \u003cspan style=\"color: #2980b9;\"\u003ePM857K01 safety processor units\u003c\/span\u003e for redundant operation\u003c\/li\u003e\n\u003cli\u003eOne TK850 CEX-bus expansion cable for module connectivity\u003c\/li\u003e\n\u003cli\u003eOne TK851 RCU-Link cable for redundant CPU communication\u003c\/li\u003e\n\u003cli\u003eComplete setup for immediate redundant system deployment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eController Architecture and Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual \u003cspan style=\"color: #2c3e50;\"\u003ePM857 processors\u003c\/span\u003e with MPC866 microprocessors at 96 MHz\u003c\/li\u003e\n\u003cli\u003eEach unit contains 32 MB RAM with 22.184 MB for applications\u003c\/li\u003e\n\u003cli\u003eIntegrated real-time clocks with lithium backup batteries\u003c\/li\u003e\n\u003cli\u003eSupports high-integrity functionality with SM812 safety modules\u003c\/li\u003e\n\u003cli\u003eCompactFlash interfaces for firmware management on both units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ABB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e PM857K02 (Article 3BSE088386R1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Type:\u003c\/strong\u003e Dual MPC866 at 96 MHz each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Capacity:\u003c\/strong\u003e 32 MB RAM per processor, 18 MB Flash PROM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e 0.17 ms for 1000 boolean operations per CPU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Capacity:\u003c\/strong\u003e Maximum \u003cspan style=\"color: #2980b9;\"\u003e128 I\/O signals\u003c\/span\u003e in redundant configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchover Time:\u003c\/strong\u003e Under 10 ms for seamless redundancy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSafety and Certification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #e74c3c;\"\u003eSIL 3 certified\u003c\/span\u003e when used with SM812 safety modules\u003c\/li\u003e\n\u003cli\u003eTÜV approved for safety instrumented systems in redundant mode\u003c\/li\u003e\n\u003cli\u003eISA Secure certified for cybersecurity protection\u003c\/li\u003e\n\u003cli\u003eIEC 61508 compliant redundant safety environment\u003c\/li\u003e\n\u003cli\u003eEnables high-availability safety and process control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication Interfaces\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo \u003cspan style=\"color: #27ae60;\"\u003eRJ45 Ethernet ports\u003c\/span\u003e per controller (CN1, CN2)\u003c\/li\u003e\n\u003cli\u003eTwo RS-232C serial ports per unit (COM3, COM4)\u003c\/li\u003e\n\u003cli\u003eSupports MMS and IAC protocols over redundant networks\u003c\/li\u003e\n\u003cli\u003e10 Mbit\/s Ethernet speed with RJ-45 connectors\u003c\/li\u003e\n\u003cli\u003eSynchronized operation within 1 ms between controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRedundancy and High Availability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull CPU redundancy for continuous operation\u003c\/li\u003e\n\u003cli\u003eCEX-Bus redundancy for communication modules\u003c\/li\u003e\n\u003cli\u003eS800 I\/O redundancy support for field devices\u003c\/li\u003e\n\u003cli\u003eFast switchover under 10 ms for uninterrupted control\u003c\/li\u003e\n\u003cli\u003eRedundant power supply status monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC (19.2-30 V DC range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 210 mA typical, 360 mA maximum per CPU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 5.1 W per unit (8.6 W maximum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEX Bus Supply:\u003c\/strong\u003e Maximum 2.4 A total current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModulebus Supply:\u003c\/strong\u003e 24V: 1.0A max, 5V: 1.5A max\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e +5 to +55 °C (+41 to +131 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40 to +70 °C (-40 to +158 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 5 to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Altitude:\u003c\/strong\u003e 2000 meters according to IEC\/EN 61131-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP20 according to EN60529\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Resistance:\u003c\/strong\u003e Meets industrial vibration standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCertifications and Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCE marked for European market compliance\u003c\/li\u003e\n\u003cli\u003eUL 61010-1 and UL 61010-2-201 for electrical safety\u003c\/li\u003e\n\u003cli\u003ecULus Class 1, Zone 2 for hazardous locations\u003c\/li\u003e\n\u003cli\u003eMarine certificates: ABS, BV, DNV-GL\u003c\/li\u003e\n\u003cli\u003eEMC: EN 61000-6-4, EN 61000-6-2\u003c\/li\u003e\n\u003cli\u003eRoHS compliance: EN 50581:2012\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Dimensions:\u003c\/strong\u003e 119×186×135 mm per unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 2700 g (5.95 pounds) total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20 for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Configuration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure with 800xA Control Builder engineering tool\u003c\/li\u003e\n\u003cli\u003eFollow Safety Manual requirements for SIL applications\u003c\/li\u003e\n\u003cli\u003eConnect RCU-Link cable between redundant processors\u003c\/li\u003e\n\u003cli\u003eInstall CEX-bus expansion cable for module connectivity\u003c\/li\u003e\n\u003cli\u003eUse dual Ethernet ports for redundant network connections\u003c\/li\u003e\n\u003cli\u003eMonitor both units through LED indicators and INIT buttons\u003c\/li\u003e\n\u003cli\u003eVerify proper synchronization between redundant CPUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is included in the PM857K02 package?\u003c\/strong\u003e Two PM857 processors, CEX-bus cable, and RCU-Link cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat safety level does it support?\u003c\/strong\u003e Up to SIL 3 with SM812 safety modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the switchover time?\u003c\/strong\u003e Maximum 10 ms for seamless redundancy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many I\/O signals can it handle?\u003c\/strong\u003e Maximum 128 I\/O signals in redundant mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat engineering tool is used?\u003c\/strong\u003e 800xA Control Builder for configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs network redundancy supported?\u003c\/strong\u003e Yes, through dual Ethernet ports on each controller.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45280718553249,"sku":"PM857K02","price":226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/PM857K02.jpg?v=1761642924","url":"https:\/\/www.autonexcontrol.com\/th\/products\/abb-pm857k02-redundant-safety-plc-dual-processor","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}