YOKOGAWA MR6-16-2*A/BU RTD Transmitter

• High-Precision Signal Conversion
  Converts 3-wire Pt100 RTD resistance signals into highly stable 1–5 V DC industrial signals with an accuracy of up to ±0.1%.

• Galvanic Isolation
  Provides robust electrical insulation between the input (field), output (system), and power supply, protecting your DCS/PLC from ground loops and field interference.

• Built-in Burnout Protection
  Equipped with a sensor-failure detection mechanism that automatically drives the output to a safe state (typically Upscale or Downscale) if the RTD sensor or wiring is broken.

• Plug-in Modular Design
  The "R Series" form factor allows for quick hot-swapping and easy maintenance when installed in compatible Yokogawa I/O Nests (mounting bases).

• Industrial Durability
  Designed for 24/7 continuous operation in harsh industrial environments, featuring high vibration resistance and a wide operating temperature range.

• Compact Footprint
  Optimized for high-density installation in signal conditioning cabinets, maximizing space efficiency in control rooms.

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• DCS/PLC Signal Conditioning
  Used as an interface module to bridge field temperature sensors (Pt100) with Distributed Control Systems (DCS) like Yokogawa CENTUM VP/CS3000 or PLCs, ensuring signal compatibility and stability.

• Process Temperature Monitoring
  Ideal for precise temperature tracking in heavy industries such as Oil & Gas, Petrochemicals, and Power Generation, where accurate RTD data is critical for process safety.

• Signal Isolation & Noise Mitigation
  Applied in environments with high electromagnetic interference (EMI). It isolates field signals from the control room to prevent ground loops and protect sensitive logic controllers.

• Factory Automation (FA)
  Integrated into automated production lines to monitor heat-sensitive equipment, such as ovens, reactors, and cooling systems, providing standardized 1–5V feedback for PID loops.

• High-Density Cabinet Integration
  Used in centralized signal conditioning cabinets where multiple sensor inputs (RTDs, T/Cs, etc.) are consolidated into a standardized backplane (Nest) for efficient wiring management.

• Safety Instrumented Systems (SIS)
  Employed in safety loops where the "Burnout" feature is required to detect sensor failures immediately and trigger emergency shutdowns or alarms.

MR6-16-2*A/BU RTD Transmitter

MR6-16-2*A/BU RTD Transmitter

MR6-16-2*A/BU RTD Transmitter

MR6-16-2*A/BU RTD Transmitter

• 1. Q: What is the primary function of the MR6-16-2*A/BU module in an industrial control system?
  A: The MR6-16-2*A/BU serves as a high-precision RTD transmitter that converts resistance signals from a 3-wire Pt100 sensor into a standardized 1–5 V DC output, providing essential signal conditioning and galvanic isolation for DCS or PLC inputs.
• 2. Q: Does the MR6-16-2*A/BU support hot-swapping during system operation?
  A: Yes, the MR6-16-2*A/BU features a plug-in modular design compatible with R-series nests, allowing the MR6-16-2*A/BU to be replaced or maintained without disconnecting field wiring, provided the specific system safety protocols are followed.
• 3. Q: How does the MR6-16-2*A/BU handle a sensor failure or broken wire?
  A: The MR6-16-2*A/BU is equipped with a built-in burnout function; in the event of an RTD sensor breakage, the MR6-16-2*A/BU will automatically drive the output signal to a predetermined limit (typically upscale) to alert the control system.
• 4. Q: What is the standard measurement range for the MR6-16-2*A/BU transmitter?
  A: While the MR6-16-2*A/BU is most commonly configured for a range of 0 to 250°C, the specific scaling of the MR6-16-2*A/BU is determined by factory calibration; users should verify the side label of the unit for exact parameters.
• 5. Q: Is the MR6-16-2*A/BU compatible with 2-wire or 4-wire RTD sensors?
  A: The MR6-16-2*A/BU is specifically optimized for 3-wire Pt100 RTDs to compensate for lead-wire resistance; although 2-wire sensors can be adapted, 3-wire remains the recommended configuration for the MR6-16-2*A/BU to maintain precision.
• 6. Q: What are the power supply requirements for the MR6-16-2*A/BU?
  A: The MR6-16-2*A/BU typically operates on a 24 V DC power supply, which is usually distributed to the MR6-16-2*A/BU through the backplane of the mounting nest rather than via direct external wiring to the module face.
• 7. Q: What level of electrical isolation does the MR6-16-2*A/BU provide?
  A: The MR6-16-2*A/BU offers robust galvanic isolation between the input, output, and power circuits, with the MR6-16-2*A/BU featuring a withstanding voltage rating of 1500 V AC for one minute to prevent ground loops.
• 8. Q: Can the MR6-16-2*A/BU be used in high-vibration environments?
  A: Yes, the MR6-16-2*A/BU is engineered for industrial durability; its secure plug-in mechanism and solid-state internal components allow the MR6-16-2*A/BU to perform reliably in demanding plant conditions where vibration is present.

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Email: sales@sparecenter.com