1 PCS new Yokogawa Card Module ALR121-S00 #LYQ007
1 PCS new Yokogawa Card Module ALR121-S00 #LYQ007
1 PCS new Yokogawa Card Module ALR121-S00 #LYQ007
Part Number: ALR121-S00; Model: ALR121-S00; Product Name: Yokogawa ALR121-S00 Analog Input Card; Product Series: Yokogawa CENTUM VP DCS Series, High-Precision Analog Input Module
Brand: Yokogawa (Yokogawa Electric Corporation, a global leader in industrial automation, measurement, and control solutions with over a century of engineering expertise. Renowned for its reliable DCS (Distributed Control System) products, Yokogawa serves key industries such as oil & gas, petrochemical, power generation, and pharmaceuticals. The ALR121-S00 is a dedicated analog input card for the CENTUM VP system, designed to accurately collect and transmit analog signals from field instruments in critical industrial processes.)
Product Status: Industrial-Grade Original Equipment (Factory Calibrated, 100% Functional, RoHS Compliant); Product Category: 16-Channel Analog Input (AI) Card, engineered to receive analog signals from field sensors (e.g., temperature, pressure, flow sensors) and convert them into digital signals for DCS system processing, enabling precise monitoring of industrial process parameters.
Core Application: Exclusively used in Yokogawa CENTUM VP DCS systems for industrial scenarios including process parameter monitoring, data acquisition, and closed-loop control. It is widely applied in petrochemical plants, oil refineries, thermal power stations, chemical processing facilities, and water treatment plants, where high-precision analog signal acquisition and stable operation in harsh industrial environments are critical.
Core Features: 16-channel analog input design with independent channel isolation to prevent cross-interference; Supports multiple standard analog signal types for flexible application; High sampling rate and resolution for precise measurement; Built-in dual-frequency noise suppression (standard 165Hz high-frequency component, switchable "enhanced dual-frequency" mode) for high-noise and high-concentration slurry working conditions; Seamless integration with Yokogawa CENTUM VP system via backplane communication; Hot-swappable capability for easy maintenance without system shutdown; Self-diagnostic functions for quick fault localization and alarm triggering.
2. Core Performance Specifications (Ta = 25℃, Unless Otherwise Specified)
2.1 Electrical Performance Parameters
Power Supply Requirements: DC 24V ±10% (Control Circuit Power, supplied by DCS backplane), Rated Input Current: 0.6A (Typical), Peak Input Current: 1.5A (10ms Duration); Power Consumption: ≤14W (Normal Operation), ≤18W (Peak Load).
Signal Processing Capability: Input Signal Type: Configurable for 4~20mA DC, 0~10V DC, 0~5V DC (standard analog signals); Number of Channels: 16 (Independently Isolated, 2-channel groups); Measurement Accuracy: ±0.15% ~ ±0.35% of Full Scale (varies by signal type, optimized via dual-frequency excitation technology); Resolution: 16-bit; Sampling Rate: 10 Samples/Second per Channel (Configurable up to 100 Samples/Second for critical applications); Filter Mode: Built-in dual-frequency noise suppression, switchable "enhanced dual-frequency" mode for high-noise environments.
Insulation Performance: Channel-to-Channel Isolation: 2500V AC (1 Minute); Channel-to-Ground Isolation: 2500V AC (1 Minute); Insulation Resistance: ≥100MΩ (500V DC); Dielectric Strength: 2kV AC for 1 Minute (Between Signal Circuit and Power Circuit).
2.2 Control & Interface Parameters
Control Functions: Supports signal range configuration, zero/span calibration via Yokogawa CS 3000/VP Engineering Tool; Built-in channel fault detection (open circuit, short circuit, overrange) with automatic alarm triggering; Supports linearization for non-linear sensors; Compatible with DCS closed-loop control logic to realize real-time process adjustment.
Interface Configuration: DCS Backplane Interface (Compatible with Yokogawa CENTUM VP Rack); Signal Terminals: Screw-Type Connectors (Accept 0.5-2.5mm² Wires); Wiring Mode: 2-Wire/3-Wire/4-Wire Sensor Connection (Configurable per Channel); No Hardware Modification Required for Signal Type Selection, Fully Software-Configurable.
2.3 Communication Parameters
Backplane Communication: Data Transmission Rate: 100Mbps (Synchronous with CENTUM VP System); Communication Protocol: Yokogawa Proprietary High-Speed Protocol for Real-Time Data Exchange with DCS Controller; Supports Real-Time Upload of Channel Measurement Data and Fault Information, Enabling Remote Monitoring and Parameter Adjustment.
Data Processing: Supports Continuous Signal Sampling and Digital Filtering; Data Buffering: 256 Samples per Channel for Trend Recording; Remote Calibration and Configuration via DCS Engineering Software, No On-Site Manual Adjustment Needed.
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