This manual provides comprehensive guidance for the Rosemount 8712 Magnetic Flowmeter Transmitter, covering installation, operation, and maintenance. It is designed for models 8712C, 8712U, and 8712H, ensuring compatibility with Rosemount 8700 Series Flowtubes. The document emphasizes safety, optimal performance, and troubleshooting, making it an essential resource for engineers and technicians working with this versatile flowmeter system.
1.1 Overview of the Rosemount 8712 Magnetic Flowmeter Transmitter
The Rosemount 8712 Magnetic Flowmeter Transmitter is a remote-mount device designed for use with Rosemount 8700 Series Flowtubes. It measures flow rates in conductive liquids and offers advanced features like HART protocol support. Compatible with multiple flowtube types, it ensures accurate and reliable flow measurement in various industrial applications, making it a versatile solution for process control and monitoring systems.
1.2 Key Features and Benefits of the Rosemount 8712
The Rosemount 8712 offers advanced features such as HART protocol compatibility, 4-20 mA analog output, and digital communication. It provides high accuracy and reliability in flow measurement, supports remote mounting up to 300 meters from the sensor, and includes diagnostic capabilities for troubleshooting. These features enhance process control, reduce maintenance, and ensure seamless integration with existing industrial systems, making it a robust choice for demanding environments.
Safety Information and Precautions
Adhere to safety guidelines when handling the Rosemount 8712 to prevent injury or damage. Use shielded cables in noisy environments and avoid sparking in hazardous areas. Always follow proper grounding and installation procedures to ensure safe operation.
2.1 General Safety Guidelines for Installation and Operation
Follow all safety guidelines to ensure safe installation and operation of the Rosemount 8712. Use shielded cables in electrically noisy environments and avoid sparking in hazardous areas. Properly ground the system and ensure all connections are secure. Do not connect non-Rosemount flowtubes in explosive atmospheres. Always refer to the safety messages in the manual for specific warnings and precautions.
2.2 Specific Safety Warnings for the Rosemount 8712
Specific safety warnings for the Rosemount 8712 include avoiding non-Rosemount flowtubes in explosive atmospheres to prevent sparks. Do not rub the flowmeter with dry cloths or clean with solvents to avoid electrostatic discharge. Ensure proper grounding and avoid connecting non-compatible devices. Follow all safety messages in the manual to prevent personal injury or equipment damage during installation and operation.
Installation Requirements
The mounting site for the Rosemount 8712 transmitter must provide adequate space for secure mounting, easy conduit access, full cover opening, and clear visibility of the LOI screen.
3.1 Mounting and Site Preparation for the Transmitter
The Rosemount 8712 transmitter requires a mounting site with sufficient space for secure installation, easy access to conduit ports, and full cover opening. Ensure the location allows clear visibility of the LOI screen for convenient operation and monitoring. Proper site preparation is essential for optimal performance and safety, adhering to the guidelines outlined in the manual.
3.2 Wiring and Electrical Connections for the Rosemount 8712
Use shielded cables for wiring to minimize interference in noisy environments. Refer to the wiring diagram in the manual for proper connections. Ensure all terminals are securely tightened and grounded according to the manufacturer’s instructions. Verify power supply requirements and connections to avoid damage or malfunction. Proper wiring ensures reliable communication and accurate measurements from the transmitter.
Sensor Installation and Configuration
Properly install the sensor in-line with piping, ensuring alignment and secure mounting. Configure settings to match process conditions, and verify connections for accurate measurements. Follow manufacturer guidelines for optimal performance and reliable data acquisition.
4.1 Connecting the Rosemount 8700 Series Flowtube
Connect the Rosemount 8700 Series Flowtube to the transmitter, ensuring proper alignment and secure mounting. Use shielded cables for wiring to minimize electrical interference. Follow the wiring diagram in the reference manual for accurate connections. Ensure all terminals are properly tightened and connections are verified for reliability. Refer to the flowtube manual (document number 00809-0100-4727) for specific installation details to ensure optimal performance.
4.2 Configuring the Sensor for Optimal Performance
Configure the sensor by navigating through the LOI, entering calibration data, and performing zero adjustment. Ensure the flowtube is installed vertically or horizontally, avoiding non-conductive fluids. Verify wiring connections and flowtube alignment for accurate measurements. Refer to the reference manual for detailed configuration steps to ensure optimal performance and reliability in your process monitoring system.
Operating Instructions
Start by powering up the system and using the LOI for initial setup. Ensure the flowtube is properly installed and configured. Follow the manual for calibration and operation steps to achieve accurate flow measurement and reliable performance in your process monitoring applications.
5.1 Initial Setup and Calibration of the Rosemount 8712
Power up the system and access the Local Operator Interface (LOI) for initial configuration. Follow on-screen instructions to set parameters, verify wiring connections, and perform zero calibration. Ensure the flowtube is properly installed and configured before proceeding. Refer to the manual for detailed calibration steps to achieve accurate measurement. Proper setup ensures reliable performance and optimal flow monitoring.
5.2 Navigating the Local Operator Interface (LOI)
The LOI provides an intuitive interface for configuring and monitoring the Rosemount 8712. Use the menu navigation to access parameters, diagnostic tools, and configuration options. The interface displays real-time data, alarm status, and measurement details. Utilize the soft keys for efficient navigation and adjustments. The LOI also offers context-sensitive help for guided operation, ensuring ease of use and accurate device management.
Communication and Protocol Configuration
The Rosemount 8712 supports various communication protocols, including HART and 4-20 mA, enabling seamless integration with control systems and field devices for efficient data transfer and diagnostics.
6.1 HART Protocol Setup for the Rosemount 8712
The Rosemount 8712 supports HART protocol for advanced communication. Configure device IDs and communication addresses using a HART communicator or software tools. Ensure proper wiring and settings for seamless integration with HART-compatible devices. This setup enables digital communication, diagnostics, and data access, optimizing performance and enabling remote monitoring and control of the flowmeter system.
6.2 Configuring 4-20 mA Analog Output
Configure the 4-20 mA analog output by setting the desired range and zero point using the LOI or HART communicator. Ensure the supply voltage is 5-28V DC, with a maximum power of 2 watts. When using channel 1 as a digital output, connect the power source to the transmitter. Use shielded cables in noisy environments to maintain signal integrity and accuracy for reliable process control and monitoring.
Troubleshooting Common Issues
Identify and resolve common issues by checking wiring, configurations, and error codes. Refer to the reference manual for detailed diagnostics and maintenance tips to ensure optimal performance.
7.1 Diagnosing and Resolving Common Error Codes
Consult the reference manual for error code interpretations and solutions. Check wiring, power supply, and sensor connections. Verify configuration settings and perform calibration if necessary. Refer to document 00809-0100-4664 for detailed troubleshooting procedures to ensure accurate flow measurement and system reliability.
7.2 Maintenance and Repair Tips for the Transmitter
Regularly clean the Rosemount 8712 transmitter to ensure accurate performance. Check grounding to prevent electrical interference. Avoid static discharge by not rubbing with dry cloths or using solvents. Use shielded cables in noisy environments for reliable operation. Refer to the reference manual for detailed maintenance procedures to extend the transmitter’s lifespan and maintain precision in flow measurements.
Technical Specifications
The Rosemount 8712 operates with a supply voltage of 5 to 28V DC, consuming up to 2 watts. It features an optically isolated solid-state switch for reliable output control.
8.1 Performance Characteristics of the Rosemount 8712
The Rosemount 8712 delivers high accuracy and repeatability, ideal for measuring conductive liquids. It operates effectively across a wide flow range and supports various process conditions, including temperature and pressure. The transmitter ensures low power consumption and features configurable outputs for flexible integration. Its advanced performance is enhanced by compatibility with Rosemount 8700 Series Flowtubes, ensuring reliable and precise flow measurement in industrial applications.
8.2 Environmental and Compliance Information
The Rosemount 8712 is designed to meet global environmental and regulatory standards. It complies with EU directives, including ATEX for explosive environments and RoHS for hazardous substance reduction. The transmitter is certified to NEMA and IEC standards, ensuring durability and safety in various industrial settings. Proper disposal and recycling guidelines are provided to support environmental sustainability and regulatory compliance.
Accessories and Optional Features
The Rosemount 8712 supports various accessories, including HART communication modules, wiring harnesses, and mounting hardware. These enhance functionality and simplify installation.
Optional features like diagnostic kits and software tools improve system performance and maintenance efficiency, ensuring optimal operation in industrial environments.
9.1 Compatible Accessories for the Rosemount 8712
The Rosemount 8712 is supported by a range of compatible accessories, including HART communication modules, wiring harnesses, and mounting hardware. These components ensure seamless integration and optimal performance. Additional accessories like diagnostic kits and software tools enhance maintenance and troubleshooting capabilities, providing a comprehensive solution for industrial flow measurement applications.
9.2 Optional Communication Modules and Upgrades
The Rosemount 8712 supports optional communication modules, including HART protocol for advanced digital communication and process monitoring. Remote mount capabilities allow installation flexibility, while digital output options enable configuration for alarms or control signals. These upgrades enhance functionality, ensuring compatibility with both analog 4-20 mA systems and modern digital communication networks for industrial applications.
Reference Manual and Documentation
The Rosemount 8712 Reference Manual (document number 00809-0100-4664) provides detailed instructions for installation, operation, and troubleshooting. The manual and Quick Installation Guide are available on Rosemount’s website, along with additional resources and support.
10.1 Navigating the Rosemount 8712 Reference Manual
The Rosemount 8712 Reference Manual (document number 00809-0100-4664) is structured to guide users through installation, operation, and maintenance. It begins with safety information, followed by product overview, technical specifications, and troubleshooting. The manual also includes wiring diagrams and configuration details, ensuring comprehensive understanding. Additional resources, such as the Quick Installation Guide, are available on Rosemount’s website for further support.
10.2 Additional Resources and Support
Emerson offers extensive online resources for the Rosemount 8712, including downloadable PDF manuals and user guides. The reference manual and quick installation guide are accessible on the Rosemount website. For further assistance, contact Emerson Process Management or your local sales representative. Additional support materials cover HART protocol configuration and troubleshooting.
Compliance and Regulatory Information
The Rosemount 8712 complies with EU and international standards, ensuring adherence to safety and performance regulations. Emerson guarantees certification and approval for global applications, meeting all legislative requirements.
11.1 Certifications and Approvals for the Rosemount 8712
The Rosemount 8712 is certified to global standards, including CE, FM, and ATEX for hazardous areas. It complies with NEMA standards for North American applications and meets IEC and ISO requirements for international markets; The device holds necessary approvals for safe operation in various environments, ensuring reliability and adherence to regulatory demands worldwide, as detailed in the reference manual (document number 00809-0100-4664).
11.2 EU and International Compliance Standards
The Rosemount 8712 complies with EU directives such as the ATEX Directive for explosive atmospheres and the Pressure Equipment Directive (PED). Internationally, it adheres to IEC and ISO standards, ensuring safety and performance across global markets; Compliance with these standards guarantees the device meets stringent regulatory requirements for safe and reliable operation in various industrial environments worldwide.
The Rosemount 8712 Manual provides essential insights for optimal use, ensuring accurate flow measurement and long-term reliability. Adhering to its guidelines guarantees enhanced performance and durability, supported by Emerson’s comprehensive resources for troubleshooting and maintenance.
12.1 Summary of Key Points in the Rosemount 8712 Manual
The Rosemount 8712 Manual covers installation, configuration, and maintenance of the Magnetic Flowmeter Transmitter. It emphasizes safety, optimal performance, and troubleshooting. The manual is tailored for models 8712C, 8712U, and 8712H, ensuring compatibility with Rosemount 8700 Series Flowtubes. By following the guidelines, users can achieve accurate flow measurement and long-term durability, supported by Emerson’s comprehensive technical resources and customer support.
12.2 Best Practices for Long-Term Use and Maintenance
Regularly calibrate the transmitter to ensure accuracy. Check electrical connections and wiring for wear. Clean the flowtube and transmitter to prevent dust buildup. Avoid extreme temperatures and humidity. Use shielded cables in noisy environments. Follow the maintenance schedule in the reference manual. Refer to Emerson’s support for troubleshooting. Replace worn parts promptly to maintain performance and reliability over time.