PROSOFT AN-X2-AB-DHRIO
The ProSoft AN-X2-AB-DHRIO is a high‑performance analog signal acquisition and processing module designed for industrial automation and process control applications. Based on German DHRIO (Digital High‑Resolution I/O) technology, it integrates high‑precision A/D converters and dedicated FPGA logic to deliver stable and reliable measurements even under harsh operating conditions. Ideal for monitoring current, voltage, power, temperature, and other critical process parameters, the AN-X2-AB-DHRIO serves as a key I/O expansion for large PLC, DCS, and SCADA systems.
1. Parameter Overview
• Input Type: Bipolar analog inputs (±10 V / ±5 V / ±2 V / ±1 V selectable), compatible with 4–20 mA current loops or 0–10 V voltage loops.• Resolution: 24-bit single‑ended (up to 48-bit differential).• Sampling Rate: Up to 250 kS/s per channel, supporting synchronous or interleaved sampling.
• Number of Channels: 8 independent channels per module (4 differential pairs).
• Input Impedance: 1 MΩ (single‑ended) or 10 MΩ (differential), with leakage current < 10 nA.
• Operating Temperature: -40 °C to +85 °C (industrial grade), -55 °C to +125 °C (extended temperature version).
• Power Supply: 24 V DC, power consumption ≤ 3 W.
• Communication Interfaces: EtherCAT, PROFINET, or Modbus TCP (depending on the installed communication module).
• Protection Rating: IP20 (for cabinet mounting), IP65 available as an option.
2. Key Features
• Ultra‑High Precision: Utilizes DHRIO Sigma‑Delta modulation with internal temperature compensation, ensuring total error < ±0.001% FS across the entire range.• High Real‑Time Performance: Built-in FPGA enables millisecond-level signal acquisition, filtering, and linearization for high-speed control loops.• Strong Anti‑Interference: Differential inputs, isolated power supply, and optimized grounding provide robust performance in electrically noisy environments.
• Flexible Configuration: Input ranges, filter coefficients, sampling rates, and alarm thresholds can be configured via the ProSoft Configurator software without low‑level programming.
• Modular Design: Standard PCIe / CompactPCI / VME form factors for easy integration into existing platforms.
• Comprehensive Diagnostics: Detects open‑circuit, short‑circuit, and overload conditions, with real‑time fault reporting to the host system.
3. Structure and Components
• Signal Processing Board: Located at the front of the module, it includes high‑impedance input buffers, analog filters, and A/D converters. Each channel features an independent preamplifier for maximum signal integrity.• FPGA Core Board: Manages high‑speed data acquisition, timestamping, and protocol conversion. Preloaded with multiple filtering algorithms (mean, Kalman, moving average).• Isolated Power Module: Provides electrical isolation between external power and the analog front end to eliminate ground‑loop interference.
• Interface Connectors: Typically screw‑terminal or Phoenix connectors with shielding to minimize noise pickup.
• Heat Sink: Fanless passive cooling design ensures long‑term reliability in continuous operation.
4. Typical Applications
• Power Systems: Transformer oil temperature, current, and voltage monitoring; generator excitation control.• Chemical and Petrochemical: Reactor temperature, pressure, and conductivity measurement; safety valve monitoring.• Metallurgy: High‑temperature furnace monitoring, gas composition analysis, and load current measurement.
• Transportation and Rail: Traction current, voltage, and track resistance monitoring in electrified railways.
• Marine and Offshore: Engine oil temperature and cabin environment monitoring.
• Industrial Automation: PLC/DCS analog input expansion and closed‑loop process control.
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