Yokogawa MR6-16-2*A/BU — 16-Channel RTD Temperature Transmitter | MR6 Series Platform
Engineering Background
The Yokogawa MR6 Series represents Yokogawa Electric Corporation’s dedicated line of modular signal conditioning and transmitter hardware, engineered for high-density, multi-channel temperature measurement in demanding process environments. The MR6 platform is widely deployed across refining, petrochemical, power generation, and advanced manufacturing facilities where measurement accuracy and long-term signal integrity are non-negotiable.
Product Positioning
The MR6-16-2*A/BU is a 16-channel RTD (Resistance Temperature Detector) input transmitter module designed for direct integration into Yokogawa distributed control and data acquisition architectures. It converts multi-point RTD sensor signals into standardized process values, enabling precise temperature monitoring across large-scale installations with minimal wiring overhead and maximum channel density.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | MR6-16-2*A/BU |
| Series / Platform | Yokogawa MR6 |
| Module Type | RTD Temperature Transmitter / Input Module |
| Number of Channels | 16 Channels |
| Input Type | RTD (Resistance Temperature Detector) |
| Supported RTD Types | Pt100, Pt200, Pt500, Pt1000 (IEC 60751); JPt100 (JIS C 1604) |
| Measurement Range | -200°C to +850°C (type-dependent) |
| Accuracy | ±0.1°C typical (at reference conditions) |
| Resolution | 0.1°C / 0.1°F |
| Wiring Configuration | 2-wire / 3-wire / 4-wire RTD |
| Output Signal | Digital (bus communication to host system) |
| Power Supply | Supplied via backplane / module bus |
| Isolation | Channel-to-channel and channel-to-bus isolation |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Mounting | DIN rail / MR6 Series backplane slot |
| Dimensions | Per MR6 module standard form factor |
| Weight | Approx. 100 g |
| Certifications | CE, UL (refer to Yokogawa datasheet for current approvals) |
| Country of Origin | Japan |
Proven Application Environments
- Oil & Gas Processing: Multi-point temperature profiling in distillation columns, heat exchangers, and reactor vessels
- Power Generation: Turbine inlet/outlet temperature monitoring and boiler feed water measurement
- Petrochemical Plants: High-density RTD scanning in cracking units and fractionation towers
- Pharmaceutical Manufacturing: GMP-compliant temperature validation in clean rooms and autoclaves
- Food & Beverage: Pasteurization and CIP (Clean-in-Place) process temperature control
- Steel & Metals: Furnace zone temperature management and continuous casting monitoring
- Water Treatment: Multi-zone temperature surveillance in treatment and desalination plants
Engineering Advantages
- 16-Channel Density: Maximizes I/O per rack slot, reducing cabinet footprint and wiring costs in large installations
- Universal RTD Compatibility: Supports all major international RTD standards without hardware reconfiguration
- High Measurement Accuracy: ±0.1°C typical accuracy ensures reliable process control and alarm management
- Robust Isolation: Channel-to-channel isolation prevents ground loops and cross-talk in multi-sensor installations
- Seamless Yokogawa Integration: Native compatibility with Yokogawa CENTUM VP, STARDOM, and MR6 data acquisition systems
- Long Service Life: Industrial-grade components rated for continuous operation in harsh environments
- Hot-Swap Capability: Module replacement without system shutdown (subject to system configuration)
System Architecture & Signal Flow
The MR6-16-2*A/BU slots directly into the MR6 Series backplane, receiving power and communicating process data via the integrated module bus. Each of the 16 RTD inputs is individually scanned, linearized, and converted to engineering units by the module’s onboard processor. Converted values are transmitted to the host controller (CENTUM VP DCS, STARDOM SCADA, or standalone data recorder) via the backplane communication bus. The module supports both 3-wire and 4-wire RTD connections to compensate for lead resistance, ensuring measurement accuracy over long cable runs.
Typical Signal Path: RTD Sensor → Field Wiring → MR6-16-2*A/BU Input Terminal → A/D Conversion & Linearization → Backplane Bus → Host Controller / HMI / Historian
Sourcing & Quality Verification
- Source: Procured from authorized Yokogawa distributors and verified industrial surplus channels
- Inspection: Each unit undergoes visual inspection, label verification, and functional pre-check prior to dispatch
- Authenticity: Part number, serial number, and firmware version verified against Yokogawa documentation
- Condition: New surplus or refurbished units clearly indicated in listing; original packaging where available
- Warranty: 90-day operational warranty against defects; extended warranty available on request
- Documentation: Yokogawa datasheet and installation manual available upon request
Procurement Process
- Inquiry: Contact us with your project requirements, quantity, and delivery timeline
- Quotation: Receive a formal quotation with pricing, lead time, and availability confirmation within 24 hours
- Order Confirmation: Submit purchase order; payment via T/T, PayPal, or agreed terms
- Quality Check: Pre-shipment inspection and documentation package prepared
- Shipping: DHL / FedEx / UPS express or sea freight; export documentation (commercial invoice, packing list, COO) included
- After-Sales: Technical support available post-delivery; RMA process for warranty claims
Technical FAQ
Q: Is the MR6-16-2*A/BU compatible with Yokogawa CENTUM VP?
A: Yes. The MR6 Series modules are designed for native integration with Yokogawa CENTUM VP DCS and STARDOM SCADA platforms via the MR6 backplane bus.
Q: What RTD types are supported?
A: The module supports Pt100, Pt200, Pt500, Pt1000 (IEC 60751) and JPt100 (JIS C 1604). Consult the Yokogawa datasheet for the full sensor compatibility matrix.
Q: Can I use 2-wire RTD connections?
A: 2-wire connections are supported, but 3-wire or 4-wire configurations are recommended for installations with long cable runs to minimize lead resistance error.
Q: What is the maximum cable length for RTD inputs?
A: Yokogawa recommends a maximum loop resistance per channel; refer to the installation manual for cable length guidelines based on wire gauge and RTD type.
Q: Is this module available new or refurbished?
A: Both new surplus and tested refurbished units may be available. Current stock condition is confirmed at time of inquiry. Contact us for details.
Q: Can you provide a certificate of conformance or test report?
A: Yes. A pre-shipment inspection report and certificate of conformance are available upon request for OEM and EPC procurement requirements.
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