{"product_id":"pm857-ac-800m-high-integrity-controller-abb","title":"PM857 AC 800M High Integrity Controller | ABB","description":"\u003ch2\u003e\u003cstrong\u003ePM857 AC 800M High Integrity Controller\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePM857\u003c\/strong\u003e from ABB serves as a high-performance processor unit for the AC 800M controller family. This robust controller delivers both standard and safety-certified functionality for industrial automation applications. It combines process control with safety integrity levels up to SIL 3 when configured with appropriate safety modules.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eController Architecture and Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures \u003cspan style=\"color: #2c3e50;\"\u003eMPC866 microprocessor\u003c\/span\u003e with 96 MHz clock frequency\u003c\/li\u003e\n\u003cli\u003eContains 32 MB RAM with 22.184 MB available for applications\u003c\/li\u003e\n\u003cli\u003eIncludes real-time clock with lithium backup battery\u003c\/li\u003e\n\u003cli\u003eSupports high-integrity functionality with SM812 safety module\u003c\/li\u003e\n\u003cli\u003eOffers CompactFlash interface for firmware storage and updates\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 PM857 (Article 3BSE088385R1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Type:\u003c\/strong\u003e MPC866 at 96 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Capacity:\u003c\/strong\u003e 32 MB RAM, 18 MB Flash PROM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e 0.17 ms for 1000 boolean operations\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 total\u003c\/li\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\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 module\u003c\/li\u003e\n\u003cli\u003eTÜV approved for safety instrumented systems\u003c\/li\u003e\n\u003cli\u003eISA Secure certified for cybersecurity protection\u003c\/li\u003e\n\u003cli\u003eIEC 61508 compliant safety environment\u003c\/li\u003e\n\u003cli\u003eEnables combination of safety and process control in one unit\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 (CN1, CN2) for control network\u003c\/li\u003e\n\u003cli\u003eTwo RS-232C serial ports (COM3, COM4) for configuration\u003c\/li\u003e\n\u003cli\u003eSupports MMS and IAC protocols over Ethernet\u003c\/li\u003e\n\u003cli\u003e10 Mbit\/s Ethernet speed with RJ-45 connectors\u003c\/li\u003e\n\u003cli\u003eClock synchronization within 1 ms between controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Capacity and Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports up to 32 applications per controller\u003c\/li\u003e\n\u003cli\u003eHandles 64 programs and 128 diagrams per application\u003c\/li\u003e\n\u003cli\u003eManages 32 tasks with 32 different cycle times\u003c\/li\u003e\n\u003cli\u003eMinimum cycle time of 10 ms for application programs\u003c\/li\u003e\n\u003cli\u003eModulebus scan rate from 0 to 100 ms\u003c\/li\u003e\n\u003cli\u003eSwitchover time under 10 ms in redundant configurations\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\u003ePollution Degree:\u003c\/strong\u003e Degree 2 per 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\u003cli\u003eWEEE compliance: DIRECTIVE\/2012\/19\/EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 119 mm (4.7 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 186 mm (7.3 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 135 mm (5.3 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1200 g (2.6 pounds) including base\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 to control network via dual Ethernet ports\u003c\/li\u003e\n\u003cli\u003eUse COM4 isolated port for service tool connection\u003c\/li\u003e\n\u003cli\u003eInstall SM812 module for high-integrity safety functions\u003c\/li\u003e\n\u003cli\u003eMonitor status through LED indicators and INIT push button\u003c\/li\u003e\n\u003cli\u003eEnsure proper ventilation for heat dissipation\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 safety level does the PM857 support?\u003c\/strong\u003e It supports up to SIL 3 with SM812 safety module.\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 total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat communication interfaces are included?\u003c\/strong\u003e Two Ethernet and two RS-232C serial ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs redundancy supported?\u003c\/strong\u003e Yes, CPU redundancy is supported for high availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat power supply is required?\u003c\/strong\u003e 24V DC with 19.2-30V operating range.\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\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default 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