Product Short Description
Technical Specifications
- Input Channels: Supports up to 16 thermocouples (±60mV) or 15 RTDs (2/3/4-wire) per MTL831B sender module.
- Output Protocol: Dual RS485 Modbus RTU or ASCII communication interfaces.
- Communication Parameters: Baud rate configurable from 300 to 19,200 bps.
- Isolation Voltage: High-voltage isolation between channels and bus interface (up to 2500V).
- Input Noise Suppression: ≤0.5mA peak-to-peak (100–1000Hz) or ≤1mA peak-to-peak (≤50Hz).
- Power Supply: 18–32V DC (loop-powered for field devices).
- Cable Length: Up to 2km for field-to-control room communication (using standard twisted-pair or instrument cables).
- Mounting: 35mm DIN rail installation for compact panel layout.
- Hazardous Area Approvals: Certified for use in Zone 0 explosive atmospheres (Exia IIC T4).
Description
Functional Features
- Multi-Channel Support: Enables simultaneous monitoring of multiple temperature points using a single module.
- Redundant Communication: Dual data highways (Modbus RTU) for fail-safe operation in critical applications.
- Intrinsic Safety: Field devices in hazardous areas communicate safely with control systems in safe zones.
- Flexible Configuration: Supports thermocouples (J, K, T, etc.), RTDs (PT100, PT1000), and millivolt inputs.
- Diagnostic Capabilities: Real-time monitoring of sensor status, line faults, and communication health.
- Easy Programming: Software-configurable parameters (e.g., sensor type, alarm thresholds, calibration) via PC or HAN83 handheld terminal.
- Cost-Efficient Wiring: Reduces installation costs by up to 50% by transmitting multiple signals over a single cable pair.
Application Scenarios
- Oil and Gas Industry: Monitors temperature in reactors, pipelines, and storage tanks in explosive atmospheres.
- Chemical Processing: Ensures precise temperature control in reactors, distillation columns, and hazardous material handling systems.
- Power Generation: Facilitates real-time temperature monitoring in boilers, turbines, and fuel handling systems.
- Pharmaceutical Manufacturing: Maintains sterile conditions by monitoring temperature in reactors and storage areas.
- Water and Wastewater Treatment: Optimizes process efficiency by tracking temperature in aeration tanks and sludge handling systems.
- Mining Industry: Enhances safety in underground ventilation and gas detection systems through reliable temperature sensing.
Advantages
- Enhanced Safety: Intrinsically safe design prevents electrical sparks in hazardous environments.
- High Reliability: Redundant communication and robust construction ensure uninterrupted operation.
- Scalability: Supports up to 31 receivers on a single RS485 bus, enabling large-scale deployments.
- Interoperability: Compatible with major DCS/PLC brands (e.g., Honeywell, Yokogawa, ABB, Emerson).
- Space-Saving: Compact DIN rail mounting reduces panel space requirements.
- Cost-Effective: Minimizes wiring complexity and installation time, lowering total cost of ownership.
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