Overview of Micro Motion 2700 Transmitter
The Micro Motion 2700 transmitter delivers precise flow measurement with optional analog outputs and FOUNDATION fieldbus support. It features a rugged design, 0.1% accuracy, and a user‑friendly interface for calibration and configuration. Ideal for industrial process control. Supports 4‑wire. OK! 202
Key Hardware Features and Options
The Micro Motion 2700 offers a 3‑in chassis, 4‑wire output, and optional analog board. It supports FOUNDATION fieldbus, 0.1% accuracy, and a 10‑year warranty. Built‑in temperature compensation and a rugged enclosure meet industrial standards. The via USB 2‑inch LCD aid diagnostics. It runs on 24‑48 V DC !.
2.1 Analog Output Option Board
The Micro Motion 2700’s analog output option board expands its versatility by providing a 4‑wire, 0‑20 mA or 0‑10 V output that can be configured for either linear or logarithmic response. The board is a compact, 3‑in. module that plugs directly into the transmitter’s rear panel, requiring no additional wiring beyond the standard 4‑wire connection. It supports 0‑10 V, 4‑20 mA, and 0‑20 mA signals, allowing integration with legacy PLCs, DCSs, and SCADA systems that rely on analog inputs. The board’s firmware can be updated via the 4‑wire interface, ensuring compatibility with future protocol revisions. Calibration is performed through the transmitter’s user interface, where the user selects the desired output type and sets the zero and span values. The board includes on‑board temperature compensation, which automatically adjusts the output to maintain accuracy across the operating temperature range of –20 °C to 80 °C. In addition, the board features a built‑in diagnostic LED that indicates power status, output mode, and fault conditions such as short‑circuit or open‑circuit. The analog option board is available for the 1500, 1700, and 2700 models, and it is sold as a separate module that can be added to an existing transmitter without replacing the core unit. Installation requires only the removal of the rear panel cover, insertion of the board, and tightening of the mounting screws. Once installed, the board is ready for configuration via the transmitter’s web interface or the dedicated configuration software. Users can also program the board to output a 0‑20 mA signal that is proportional to the measured flow rate, or a 0‑10 V signal that is proportional to the differential pressure across the sensor. This flexibility makes the analog option board ideal for applications where digital communication is not available or where a simple analog signal is preferred. The board’s rugged construction and sealed connectors ensure reliable operation in harsh industrial environments, and its low power consumption keeps the overall system energy efficient. Overall, the analog output option board enhances the Micro Motion 2700’s adaptability, allowing it to meet a wide range of process control requirements while maintaining the high accuracy and reliability that users expect from Emerson’s flow measurement solutions.
The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Micro Motion 2700 transmitter supports FOUNDATION Fieldbus, enabling seamless integration with industrial control systems. The Fieldbus interface provides diagnostic features such as fault detection, link status monitoring, and automatic retry logic, ensuring reliable operation in noisy industrial environments and enabling firmware updates the network now.
Installation and Setup
Verify the transmitter’s operating range, pressure rating, and ingress protection before mounting. Secure the unit on a clean, level surface with the supplied brackets, keeping at least 100 mm from heat sources. Connect the 24 V DC power supply, ensuring correct polarity, and route signal wiring through strain‑relief fittings. For FOUNDATION Fieldbus, attach the Fieldbus cable to the designated port and set the device address via the network manager. If analog output is needed, install the optional board, connect the 4‑wire terminal, and configure the output range. Perform a factory reset, then run the self‑test sequence to confirm all sensors and communication links. Calibrate the transmitter with the manufacturer’s kit, documenting the calibration curve in the maintenance log. Follow safety procedures, including grounding and lock‑out/tag‑out, to prevent electrical shock or equipment damage during installation.
After setup, verify communication by sending a diagnostic packet and checking status LEDs. Adjust the flow range in the configuration menu to match process requirements, and set zero offset if necessary. Enable temperature compensation by selecting the appropriate coefficient. Once parameters are confirmed, secure the housing with screws, and perform a functional test by injecting a known flow rate and comparing the displayed value to the reference. Record test results and update system documentation.
Once the transmitter is fully configured, perform a final functional test by injecting a known flow rate using a calibrated reference meter. Compare the transmitter’s displayed value to the reference; any deviation beyond the specified tolerance should be investigated and corrected. Log the test results, including date, operator, and any adjustments made, in the maintenance record. Update the system documentation to reflect the final configuration parameters, such as device address, output range, and temperature compensation settings. Finally, close the housing, secure all fasteners, and ensure that cable connections are tidy and protected from environmental exposure. The transmitter is now ready for integration into the process control loop, and routine checks should be scheduled as per the manufacturer’s recommendations.!!!
Startup Procedures
Before powering the Micro Motion 2700, confirm that the 24 V DC supply is correctly wired and that all strain‑relief fittings are in place. Turn on the main power switch and observe the status LEDs: the green LED should illuminate within 5 s, indicating the power‑on sequence is complete. The device will automatically perform a self‑diagnostic routine, cycling through its internal sensors and communication interfaces. A successful diagnostic will result in a steady green LED and a “Ready” message on the display. If the LED remains amber or the display shows an error code, consult the troubleshooting section and verify cable integrity and power quality. Once the unit is in the ready state, initiate the startup sequence by pressing the “Start” button on the front panel. The transmitter will begin to acquire flow data, and the display will show the current flow rate. If the analog output is installed, verify that the output signal is within the configured range by measuring with a calibrated oscilloscope or multimeter. Adjust the zero offset and span settings in the configuration menu to match the process requirements. The device supports both manual and automatic calibration modes; select the appropriate mode and follow the on‑screen prompts to complete the calibration. After calibration, the device will lock the settings and display a confirmation message. Finally, verify that the transmitter is communicating with the control system. Send a diagnostic packet from the PLC or SCADA system and check that the response matches the expected device address and firmware version. Log the startup results, including the timestamp, operator name, and any adjustments made, in the maintenance log. The Micro Motion 2700 is now fully operational and ready for routine process monitoring.!!!
Calibration and Verification
Calibration of the Micro Motion 2700 transmitter is performed using the built‑in calibration routine or an external reference flow source. The transmitter must be connected to a calibrated flow standard that matches the measurement range and fluid properties. Before starting, ensure the device is in the ready state and that the analog output, if installed, is correctly wired. The calibration procedure begins by selecting the “Calibrate” option from the main menu. The display will prompt for the reference flow value. Enter the known flow rate and press “Enter.” The transmitter will record the sensor response and compute the zero offset and span coefficients. For manual calibration, the operator may adjust the zero and span by entering the desired values in the configuration menu. After the calibration data is written, the device performs a verification check by comparing the measured flow against the reference. A successful verification will display a green check mark and a “Calibration Successful” message. If the verification fails, the system will indicate the error code and recommend repeating the calibration or inspecting the sensor. It is essential to document the calibration date, operator, and reference source in the maintenance log; Periodic verification should be performed at least quarterly or after any significant process change. The transmitter also supports automatic calibration via the FOUNDATION fieldbus interface, allowing remote verification and adjustment. All calibration steps should be carried out in accordance with the manufacturer’s safety guidelines and local regulatory requirements. Proper calibration ensures accurate flow measurement and compliance with industry standards.!!!
During verification, the transmitter displays the measured value, the reference value, and the deviation percentage. If the deviation exceeds the specified tolerance, the user must investigate potential causes such as temperature drift, sensor fouling, or incorrect fluid density settings. The user can adjust the temperature compensation settings to account for ambient variations. The calibration routine also records the sensor’s response curve, which can be reviewed later to detect long‑term drift. The Micro Motion 2700 provides a calibration log that can be exported via USB or fieldbus for audit purposes. The log includes timestamps, calibration parameters, and verification results. This data is valuable for traceability and for troubleshooting future performance issues. All calibration activities should be performed by trained personnel to ensure safety and accuracy. After calibration, the transmitter should be re‑initialized and the process restarted to confirm stable operation.!!!
Configuration Settings
Setting up the Micro Motion 2700 transmitter involves a series of menu selections that define measurement range, output type, and communication parameters; First, access the “System” menu and choose “Range” to specify the minimum and maximum flow values for the application. The transmitter supports 0–100 % of the installed range; values outside this window trigger a warning. Next, select “Output” to configure the analog or digital interface. For analog output, set the voltage range (4–20 mA or 0–10 V) and the polarity. If the optional analog board is installed, the system will automatically detect it and allow the user to choose the output channel. The “Temperature” submenu permits the user to input the fluid density and temperature compensation settings. Enter the density in kg/m³ and the operating temperature in °C; the device will adjust the flow calculation accordingly. The “Fieldbus” option configures the FOUNDATION fieldbus parameters: node address, baud rate, and diagnostic level. Use the “Diagnostics” menu to enable or disable error reporting. The “Calibration” submenu allows the user to perform a zero or span calibration directly from the device. After calibration, the “Save” button writes the configuration to non‑volatile memory. The transmitter also supports remote configuration via the fieldbus, enabling a PLC or SCADA system to write parameters using the standard protocol. All changes are confirmed on the display and can be reviewed in the “Status” screen. Proper configuration ensures accurate, reliable operation and compliance with process control standards.!!!!
Measurement Support and Applications
The Micro Motion 2700 transmitter offers extensive measurement support for a wide range of process fluids, from water and condensate to oils and gases. Its built‑in flow‑calculation algorithm uses a calibrated velocity profile and density input to deliver accurate volumetric flow rates. Users can enter fluid density manually or select from a pre‑loaded library of common media. Temperature compensation is automatic, adjusting the calculation for changes in fluid viscosity and density. The device supports both 4‑wire and 8‑wire configurations, allowing integration into existing control panels or new installations. For analog output, the transmitter provides a 4–20 mA or 0–10 V signal that can be scaled to the desired range by the field device. Digital output via FOUNDATION fieldbus delivers real‑time flow data, alarm status, and diagnostic information to a PLC or SCADA system. The transmitter’s alarm thresholds can be configured for low, high, and range violations, and the alarm output can be routed to a 4‑20 mA line or a fieldbus message. Measurement support also includes a built‑in self‑test routine that verifies sensor integrity, output accuracy, and communication links. The self‑test can be scheduled during off‑peak hours to minimize process impact. For applications requiring high precision, the 2700 can be paired with the optional analog output board, which adds a second analog channel for dual‑flow measurement or differential pressure monitoring. The transmitter’s compact footprint and rugged housing make it suitable for harsh environments, and its IP54 rating protects against dust and water spray. Overall, the Micro Motion 2700 delivers reliable, accurate flow measurement with flexible output options, making it a versatile choice for chemical, petrochemical, and water treatment processes. Its integration with Emerson analytics enhances visibility and predictive maintenance capabilities.
Troubleshooting and Maintenance
Check power, wiring, and fieldbus links. Verify calibration, sensor alignment, and fluid density. Use the self‑test routine for diagnostics. Replace worn seals, clean sensor, and update firmware per Emerson guidelines. Document all actions. Check monthly for leaks!.
8.1 Common Faults and Remedies
No signal or erratic output: Check power, wiring, and sensor seating; Run the self‑test; if still unstable, replace the sensor or clean the fluid line.
Fieldbus errors: Verify termination, address, and firmware. Reset the module and review diagnostic logs; re‑address if needed.
Calibration drift: Perform a full cycle with a reference flow, adjust the curve, and store the new data. Verify repeatability.
Power‑supply noise: Inspect cable, use shielded wiring, secure grounding. Add a line filter if interference persists.
Blockage or fouling: Clean inlet/outlet, flush line, replace clogged filters.
Firmware mismatch: Update firmware to match control system and re‑configure settings.
Temperature issues: Verify sensor, recalibrate or replace if needed.
Physical damage: Inspect for cracks, replace unit if integrity is compromised, secure mounting to avoid vibration‑induced errors.
After correcting faults, run a verification test and log all maintenance actions.
During routine checks, monitor the transmitter’s status LEDs and review the diagnostic log for any warning codes. If a fault code appears, consult the troubleshooting table in the manual, apply the recommended remedy, and re‑run the self‑test. Document each action in the maintenance log, noting the date, technician, and outcome to support future audits.
Ensure firmware is up to date and back up calibration data before major maintenance to avoid data loss!!!
8.2 Preventive Maintenance Checklist
Perform the following tasks at the specified intervals to keep the Micro Motion 2700 operating reliably. All actions should be logged with date, time, and technician name.
- Monthly: Inspect sensor housing for cracks, verify mounting torque, and clean inlet/outlet ports with approved solvent.
- Quarterly: Run self‑test routine, review diagnostic log, and confirm calibration curve matches reference data. Adjust if deviation exceeds 0.1%.
- Bi‑annual: Verify fieldbus address integrity, check termination resistors, and update firmware to the latest stable release.
- Annual: Perform full calibration with certified flow standard, replace sensor if fouling exceeds 5%, and inspect power supply for voltage ripple.
- As needed: Replace worn seals, tighten all electrical connections, and replace any damaged cabling.
Maintain a spare sensor and analog output board in a controlled environment. Store all spare parts in a labeled container. Document every maintenance event in the equipment logbook and upload the record to the central database within 24 hours.
All preventive actions should be performed in accordance with the manufacturer’s safety guidelines. Use only approved cleaning agents and ensure that the transmitter is powered down before any physical inspection. After maintenance, run the self‑test routine and verify that the output matches the expected calibration curve. Record any deviations and adjust the calibration if necessary. Store the maintenance log in a secure location and keep a backup copy in the central maintenance system for audit purposes.
Safety and Compliance
All Micro Motion 2700 units are to meet IEC 61508 and IEC 61511 safety integrity levels. The transmitter is safe for Class I, Division 1 and 2, and Class II, Division 1 and 2 environments. It complies with UL 508 and ATEX Directive 94/9/EC, ensuring suitability for hazardous areas. Electrical isolation is achieved through a 100 kΩ resistor network, and the device is rated for 600 V DC. The enclosure is IP65, providing protection against dust and water jets. The transmitter’s firmware is signed and verified against the manufacturer’s key to prevent unauthorized modifications. All cables are shielded and terminated with proper ferrite beads to mitigate EMI. Grounding must be performed according to the local electrical code, with a single‑point ground connection. The device is certified for use in ISO 9001 and ISO 14001 compliant facilities. Regular safety audits should verify that the transmitter remains within its certified temperature envelope of –20 °C to +70 °C. Safety audits once verify temperature stays between –20 °C and +70 °C. The user must follow the lock‑out/tag‑out procedure before performing any maintenance. The transmitter’s safety functions are validated during the initial commissioning and at the end of each maintenance cycle. Compliance with local regulations, such as OSHA 1910.119 for hazardous locations, is mandatory. Failure to adhere to the safety guidelines may result in equipment damage or personal injury. The manufacturer provides a safety data sheet (SDS) for the sensor housing material, which includes handling, storage, and disposal instructions. All personnel should receive training on the safe operation of the Micro Motion 2700, covering electrical safety, hazardous area classification, and emergency shutdown procedures. The safety and compliance documentation is available in PDF format on the Emerson website and should be kept in the equipment’s documentation folder for reference during audits and inspections!!
Documentation and Resources
The Micro Motion 2700 user manual is available for download in PDF format from several reputable sources. Emerson’s official website hosts the complete Configuration and Use Manual, which covers installation, calibration, and troubleshooting. The manual is 410 pages long, 8.56 MB, and includes detailed diagrams, safety information, and compliance data. Additionally, the Manualzz site provides a searchable version of the same document, allowing users to quickly locate specific sections. The Memorand portal offers a concise summary of key features, along with a quick‑start guide. The manual can be ordered easily through Emerson’s distribution network, and the PDF can be printed in full color for reference. The documentation also includes firmware update files, which can be downloaded from the Firmware Repository. Users are encouraged to keep the latest version of the manual on their local network for offline access during field service. The documentation is compliant with IEC 61508 and IEC 61511 safety standards, and it includes an appendix with safety data sheets and environmental compliance certificates. For further assistance, the user can contact Emerson support via the online portal or by phone, and they will receive the latest technical notes and application notes related to the Micro Motion 2700.