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　　FLOBOSS FB107  Other Names:

　　Controller Unit FLOBOSS FB107 

　　FLOBOSS FB107  Digital Module

　　Communication Unit FLOBOSS FB107 

　　The EMERSON FLOBOSS FB107  is Emerson's flagship advanced flow computer from the Rosemount brand. It is designed for high-precision metering, custody transfer, and energy management of natural gas, oil, and liquids. It is an upgrade to the FLOBOSS™ series (such as the previous FLOBOSS 103/109) and is hailed as the "gold standard" for flow metering in the oil and gas industry.

　　Core Functions and Technical Specifications

　　Accurate Measurement Capability: Employs 64-bit double-precision floating-point arithmetic, conforming to international standards such as AGA-3/7/8, API MPMS 14.5, and ISO 5167. Supports volume, mass, and energy flow rate calculations for gases, liquids (crude oil, LPG, NGL, etc.), and moisture, with an uncertainty as low as 0.1%. Built-in temperature and pressure compensation algorithms allow for the integration of chromatograph data to calculate calorific value (e.g., MMBtu), meeting stringent auditing requirements for trade transactions.

　　Algorithm Support: Complies with international standards, including AGA-3 (orifice plate), AGA-7 (turbine), AGA-8 (gas compressibility factor), API MPMS 14.5 (liquid ultrasonic), and ISO 5167 (differential pressure flow meter). Accurately calculates volume, mass, and energy (e.g., MMBtu, tons), and supports calorific value calculation via chromatograph signals (e.g., Modbus/4-20mA).

　　Multi-stream and scalability: Supports up to 10 independent metering points (multi-stream), managing various fluids including gases, liquids, and moisture. Compatible with differential pressure, turbine, ultrasonic, Coriolis, vortex, and volumetric flow meters, and integrates temperature, pressure, and density sensor signals for real-time compensation.

　　Communication and remote management: Equipped with HART, Modbus RTU/TCP, FOUNDATION Fieldbus, and Ethernet (10/100 Mbps) interfaces, and a built-in Web Server, supporting remote access, data viewing, configuration modification, and alarm monitoring. Compatible with SCADA/DCS/PLC systems.

　　Data storage and security: Large-capacity storage of historical data (minutes/hours/days/months), event logs, and alarm records (50,000 events/alarms). Compliant with international metrology certifications such as NIST, OIML R137, and GOST. Features user access management, password protection, configuration locking, and network security functions (such as firewalls and access control).

　　Hardware Design: Industrial-grade explosion-proof/flameproof design, wide operating temperature range (-20°C to +60°C), supports DIN rail mounting, front panel equipped with an 8-line LCD display and a 29-key keyboard, supports local configuration and operation (no PC required), and supports multiple language character sets including English and Russian.

　　Industrial-grade Reliability: Certified for explosion-proof (Ex), electromagnetic compatibility (EMC), and NIST/OIML R137, operating temperature range -20°C to +60°C, employs triple-redundant storage (Tri-reg format) to ensure data integrity, and supports local/remote diagnostics and configuration.

　　Technical Highlights:

　　Distributed Processing System: The main processor integrates a hardware floating-point unit, improving calculation speed by 30% compared to the previous generation FB107. Expansion modules are equipped with local processors, enabling real-time input signal conversion and control output (e.g., PID loop time ≤100ms).

　　Intelligent Communication and Remote Management: Supports HART, Modbus RTU/TCP, FOUNDATION Fieldbus, Ethernet (10/100 Mbps), and Web Server. Real-time data, historical trends, alarm logs, and configuration parameters can be remotely accessed via a browser. Compatible with SCADA/DCS systems.

　　User-Friendly Interface: 8-line LCD display + 29-key keyboard, supports multiple languages including Chinese, English, and Russian. Parameter adjustment and status monitoring can be completed without a PC. LogiCalc user language supports custom mathematical functions to adapt to special metering needs.

　　Application Scenarios and Advantages

　　Key Applications: Trade transfer, batch loading, instrument calibration, and multi-loop metering in scenarios such as oil and gas fields, pipelines, city gas, LNG receiving terminals, natural gas processing plants, trunk pipelines, and power plants.

　　Core Advantages:

　　High Precision and Reliability: Employs 64-bit floating-point arithmetic, conforms to the latest API/ISO standards, has low calculation uncertainty, and ensures accurate and auditable trade transfer data.

　　Flexibility and Scalability: Modular design supports expansion boards (such as volume control boards) to adapt to future needs and supports scripting languages (such as LogiCalc) for custom logic.

　　Ease of Use and Maintenance: Local interface supports quick operation; configuration tools are Windows-based; alarm management (16 alarm groups), security levels (10 password levels), and historical data trend analysis are provided.

　　Industry Certifications and Standards: Compliant with international standards such as AGA, API, ISO, and GOST; certified by NIST and OIML, meeting global trade measurement requirements.

　　Typical Cases and Industry Position: Widely used in pipeline projects of companies such as CNPC and Sinopec (e.g., the Lanzhou-Zhengzhou-Changsha oil pipeline, the Cangzhou-Zibo gas pipeline) and city gas companies (e.g., Shandong Shihua Natural Gas) for flow monitoring and trade handover at key metering points.

　　As a core product of Emerson Automation Solutions, the FB107  is renowned in the oil and gas industry for its high precision, high reliability, and system integration capabilities, making it one of the preferred devices for flow metering in the oil and gas, chemical, and pharmaceutical industries.