{"product_id":"siemens-16267-1-4-apacs-mnet-modulnet-communication-interface","title":"Siemens 16267-1\/4 APACS MNET Modulnet Communication Interface","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 16267-1\/4 (1626714) is a specialized Modulnet Communication Interface Module designed for the Siemens Moore APACS+ Distributed Control System (DCS). This module serves as the primary physical and logical bridge for MNET (Modulnet) peer-to-peer data exchange, connecting process automation controllers to high-level operator consoles. It is engineered for mission-critical industrial environments, including petrochemical refineries, power generation, and chemical processing, where deterministic, high-speed communication is required to maintain process integrity and minimize data latency.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFacilitates reliable peer-to-peer communication across the APACS+ MNET backbone.\u003c\/li\u003e\n\u003cli\u003eManages proprietary token-passing mechanisms and integrated error-checking routines.\u003c\/li\u003e\n\u003cli\u003eProvides high-integrity electrical isolation to protect backplane electronics from network-induced surges and ground loops.\u003c\/li\u003e\n\u003cli\u003eSupports redundant network architectures to ensure continuous control operations during cable faults or partial failures.\u003c\/li\u003e\n\u003cli\u003eOptimized for deterministic data transfer of process variables, alarms, and configuration data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis communication interface is essential for maintaining legacy APACS+ control networks. It is typically deployed in large-scale industrial automation systems where real-time process visibility and high-availability communication between rack-mounted controllers are required.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e16267-1\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens (Moore APACS+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eMNET Modulnet Communication Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eModulnet (MNET)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eAPACS+ Rack Backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the APACS+ rack power is disconnected before installing or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module is designed for a standard APACS+ single-slot footprint; ensure proper alignment with the backplane connector before seating.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (Electrostatic Discharge) precautions to protect sensitive internal components.\u003c\/li\u003e\n\u003cli\u003eVerify that all MNET cabling is properly shielded and routed away from high-voltage lines or significant EMI sources to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated and the locking mechanism is engaged to maintain a secure connection to the backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 16267-1\/4 module?\u003c\/h3\u003e\u003cp\u003eThe 16267-1\/4 acts as the communication interface for the Modulnet (MNET) protocol within the Siemens Moore APACS+ DCS, enabling data exchange between controllers and operator stations.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with redundant systems?\u003c\/h3\u003e\u003cp\u003eYes, the 16267-1\/4 is designed to operate within redundant network architectures, supporting seamless failover capabilities in the event of a communication path fault.\u003c\/p\u003e\u003ch3\u003eHow is the module powered?\u003c\/h3\u003e\u003cp\u003eThe module receives its operating power directly from the APACS+ rack backplane; no external power supply is required for the module itself.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50642554487036,"sku":"16267-1-4","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_82bb89fa-cd1d-4da3-b121-e696c890217b.jpg?v=1784890147","url":"https:\/\/www.electronicplc.com\/products\/siemens-16267-1-4-apacs-mnet-modulnet-communication-interface","provider":"Electronic PLC","version":"1.0","type":"link"}