ABB G3FD HENF452692R1 | input card

1. Name

2. Core Description

• Product Positioning: As a specialized analog input module, the ABB G3FD HENF452692R1 serves as a dedicated interface for temperature measurement in industrial processes. It is engineered for seamless integration with ABB’s flagship control systems (e.g., AC 800M DCS, System 800xA) and acts as a "signal translator" between RTD sensors (field devices) and the main controller. Its core purpose is to acquire low-resistance signals from RTDs, condition and digitize these signals with high precision, and transmit reliable temperature data to the controller—enabling real-time process monitoring, closed-loop temperature control, and fault 预警 for critical industrial operations.
• Key Functional & Performance Features:
• Broad RTD Compatibility: Optimized to work with industry-standard RTD types, including Pt100 (100Ω at 0°C), Pt1000 (1000Ω at 0°C), and optionally Ni100/Ni1000 (nickel-based RTDs). It supports 2-wire, 3-wire, and 4-wire RTD connections—with 4-wire configurations eliminating lead resistance errors, making it ideal for high-accuracy temperature measurement scenarios.
• High-Precision Measurement: Equipped with a 16-bit (or higher) analog-to-digital converter (ADC) and advanced signal filtering algorithms, ensuring temperature measurement accuracy of ±0.1°C to ±0.5°C (depending on RTD type and ambient conditions). This level of precision is essential for processes requiring strict temperature control, such as pharmaceutical sterilization, chemical reactor monitoring, or semiconductor manufacturing.
• Robust Electrical Isolation: Features dual isolation layers—channel-to-channel isolation (typically 2.5 kV AC for 1 minute) and channel-to-system isolation (up to 5 kV AC for 1 minute). This design prevents signal crosstalk between input channels, shields the module from voltage spikes or ground loops, and enhances reliability in noisy industrial environments (e.g., near heavy machinery or high-voltage equipment).
• Comprehensive Diagnostics: Built-in self-diagnostic functions monitor critical module status, including RTD wire open/short circuits, over-range temperature signals, and power supply anomalies. When a fault is detected, the module immediately transmits a fault code to the main controller via the system bus, triggering visual/audible alerts and enabling maintenance teams to address issues proactively—minimizing unplanned downtime.
• Industrial-Grade Durability: Designed to withstand harsh operating conditions, with an extended temperature range of -40°C to +70°C and compliance with IEC 61000-6-2 (electromagnetic compatibility, EMC) standards. This ensures stable performance in factory floors, outdoor control cabinets, or near process equipment with high vibration or electromagnetic interference.
• Typical Application Scenarios:
  The module is widely deployed in industries where accurate, reliable temperature monitoring is mission-critical:
• Pharmaceuticals & Food Processing: Temperature control of fermentation tanks, autoclaves (sterilization equipment), and cold storage facilities (to comply with regulatory standards like FDA or GMP).
• Petrochemical & Oil/Gas: Measurement of pipeline fluid temperatures, heat exchanger outlet temperatures, and reaction vessel wall temperatures (to prevent overheating or process deviations).
• Power Generation: Monitoring of turbine bearing temperatures, boiler flue gas temperatures, and transformer oil temperatures (to protect expensive equipment from damage).
• Metallurgy & Materials: Tracking of furnace temperatures in steel production, heat treatment oven temperatures, and rolling mill component temperatures (to ensure product quality and process consistency).

3. Key Data Sheet Specifications (Based on ABB G3 Series Norms & RTD Input Card Standards)