ABB TTR200 Rail-Mount Temperature Transmitter

The ABB TTR200 rail-mount temperature transmitter represents a pinnacle of reliability and precision in modern industrial temperature measurement technology. Designed for engineers and procurement professionals seeking dependable process instrumentation for control cabinet installations, the TTR200 excels in processing signals from resistance thermometers, thermocouples, resistance sensors, and voltages across complex industrial systems.

Core Technology and Performance

At the heart of the ABB TTR200 is a highly stable and sensitive universal sensor input module that accurately processes input data while providing 3.5 kV DC electrical isolation between input and output. The device supports standard industrial output protocols including 4 to 20 mA and HART 5.1/7, ensuring seamless compatibility with existing Distributed Control Systems (DCS) and Programmable Logic Controllers (PLCs). Advanced digital signal processing features and a 24-bit AD converter guarantee high measurement accuracy, minimal drift, and exceptional repeatability under variable operating conditions.

Industrial Versatility and Durability

Engineered for rugged operating environments, the TTR200 transmitter features a durable polycarbonate housing (RAL 9002 gray) with polyurethane encapsulation resin. Its compact rail-mount design facilitates straightforward installation on 35 mm rails in accordance with EN 60175. Dual function LEDs (green for power supply indication, red for unit or sensor fault signaling) provide immediate visual status on-site. Whether deployed in continuous chemical processing, power generation, or heavy utility monitoring, the transmitter maintains consistent calibration and functional safety up to SIL 2 / SIL 3 in accordance with IEC 61508.

Key Features & Benefits

• Universal Sensor Inputs: Supports a wide range of RTDs (Pt100, Pt1000, Ni, Cu), thermocouples (Types B, E, J, K, N, R, S, T, etc.), and resistance/voltage inputs.

• Robust Signal Output: Provides reliable analog 4-20 mA output with integrated HART communication for remote configuration and diagnostics.

• Functional Safety (SIL 2/3): Meets rigorous safety requirements for safety-relevant applications in accordance with IEC 61508.

• Comprehensive Diagnostics: Continuous monitoring of supply voltage, wire breaks, and sensor corrosion in compliance with NAMUR NE 89 and NE 107.

• Flexible Configuration: Configurable via FDT/DTM, EDD, or FDI (Field Information Manager / FIM) tools.

Applications

• Power Generation: Monitoring turbine and boiler temperatures, steam headers, and auxiliary cooling loops.

• Chemical and Petrochemical: Tracking reactor temperatures, distillation columns, and corrosive fluid lines within control cabinets.

• Oil and Gas: Managing upstream and downstream temperature data acquisition points.

• Water and Wastewater Treatment: Controlling municipal distribution and filtration temperature profiles.

• General Industrial Automation: Providing reliable temperature signal conversion for factory automation control racks.

Technical Specifications

• Product Model: ABB TTR200 rail-mount temperature transmitter

• Instrument Type: Rail-Mounted Temperature Transmitter with HART Protocol

• Input Signal: Universal sensor input for RTD (Pt100, etc.), Thermocouples, Resistance, and Voltages

• Output Signal: 4 to 20 mA, configurable, with HART communication

• Electrical Isolation: 3.5 kV DC (approx. 2.5 kV AC), 60 s, input to output

• Power Supply (Non-Ex): US = 11 to 42 V DC

• Ambient Temperature Limits: -40 to 85°C (-40 to 185°F)

• Housing Material: Polycarbonate, color gray RAL 9002; encapsulation resin Polyurethane (PUR)

• Mounting: Rail mounting (35 mm) in accordance with EN 60175

• Functional Safety: SIL 2 / SIL 3 in accordance with IEC 61508

FAQ

Q1: What is the primary function of the ABB TTR200? A1: The TTR200 is designed for rail mounting in control cabinets to convert small voltage or resistance signals from thermocouples and RTDs into a robust 4-20 mA output signal with HART protocol.

Q2: Does the TTR200 support digital communication and configuration tools? A2: Yes, it supports HART communication and can be easily configured using standard tools like DTM, EDD, or FDI (Field Information Manager) via FDT technology.

Q3: Can the TTR200 be used in safety-critical applications? A3: Yes, it features conformity according to IEC 61508 for use in safety-relevant applications up to SIL 2 for a single transmitter and SIL 3 for redundant configurations.

Q4: How do the diagnostic LEDs indicate system status? A4: A green LED indicates that power is supplied to the transmitter, while a red LED illuminates to signal any fault in the unit, sensor, or sensor leads.

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