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1. Product Description
The ABB 3BHT300011R1 is a high-precision analog input module designed for industrial automation and process control systems, specifically tailored to collect and convert continuous analog signals from on-site sensors and transmitters into digital data for upper-level controllers (e.g., ABB Advant OCS, AC 800M DCS). As a core I/O component in industrial monitoring systems, it supports multiple common analog signal types, enabling seamless integration with temperature, pressure, flow, and level sensors—critical for real-time tracking of key process parameters.
The module features channel-independent isolation, advanced anti-interference circuitry, and a rugged industrial-grade housing, ensuring stable signal acquisition even in harsh environments with strong electromagnetic interference (EMI) or temperature fluctuations. It supports on-site calibration and diagnostic functions, simplifying maintenance and reducing downtime. Widely used in industries such as petrochemicals, power generation, and pharmaceuticals, the 3BHT300011R1 provides a reliable, high-accuracy solution for analog signal acquisition in complex industrial processes.
2. Detailed Parameters
3. Advantages & Features
- High Precision & Multi-Signal Compatibility
16-bit ADC resolution and ±0.05% full-scale accuracy ensure precise capture of subtle signal changes (e.g., 0.1 mA fluctuations in 4-20 mA pressure signals), meeting strict process control requirements. Support for current, voltage, and RTD signals eliminates the need for additional modules, reducing system complexity and cost.
- Independent Channel Isolation
500 V DC channel-to-channel isolation prevents cross-interference between signals—critical for systems with mixed signal sources (e.g., a single module connecting both high-voltage pressure sensors and low-voltage temperature RTDs). Channel-to-backplane isolation (1500 V DC) protects the upper controller from voltage surges.
- Strong Anti-Interference Performance
Built-in EMI filters and shielded signal paths comply with IEC 61000-6-2 standards, suppressing interference from nearby high-power motors, inverters, or power cables. This ensures stable data acquisition in noisy industrial environments (e.g., steel mills, petrochemical refineries).
- Easy Maintenance & Diagnostics
Supports remote calibration via the DCS configuration tool, eliminating the need for on-site manual adjustment with external instruments. Integrated diagnostic functions (e.g., open-circuit detection for RTDs, overrange alerts) enable quick identification of sensor or wiring faults, reducing troubleshooting time.
- Wide Environmental Adaptability
-40℃ to +70℃ operating temperature range and rugged housing (resistant to vibration and shock) make it suitable for extreme environments, such as outdoor power substations or high-temperature chemical reactors.
4. Application Fields
Used in oil refineries and chemical plants to collect signals from pipeline pressure transmitters (4-20 mA), reactor temperature RTDs (Pt100), and flow meters (0-10 V), enabling real-time monitoring of refining or reaction processes to ensure safety and product quality.
Deployed in thermal power plants or nuclear power auxiliary systems to acquire data from turbine bearing temperature sensors (Pt1000), boiler steam pressure transmitters (4-20 mA), and generator cooling water flow meters, supporting stable operation of power generation equipment.
- Pharmaceutical Manufacturing
Integrates with cleanroom pressure sensors (0-5 V), bioreactor temperature probes (Pt100), and liquid level transmitters (4-20 mA) to monitor critical parameters in drug production processes, ensuring compliance with GMP (Good Manufacturing Practice) standards.
- Food & Beverage Processing
Connects to pasteurization temperature sensors (RTD), filling line pressure transmitters (4-20 mA), and storage tank level sensors (0-10 V), enabling precise control of processing temperatures and pressures to maintain product freshness and safety.
- Water & Wastewater Treatment
Used to collect signals from sewage pH sensors (0-100 mV), aeration tank dissolved oxygen transmitters (4-20 mA), and pump pressure sensors (0-5 V), supporting optimized operation of treatment processes and ensuring effluent meets discharge standards.