Technical Specifications Input Signal Type: 4‑20 mA DC, 0‑10 V DC Number of Channels: High‑density multi‑channel analog input Conversion Resolution: 16‑bit Measurement Accuracy: ±0.15% full scale Channel‑to‑backplane isolation: 500 V RMS Operating Power Supply: 24 VDC Operating Temperature: 0 ℃ to +55 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Single‑slot plug‑in rack module Protection Grade: IP20 Certifications: CE
Functional Features Supports high‑density multi‑channel analog current and voltage signal acquisition. Built‑in multi‑stage hardware filtering suppresses complex industrial site interference. Completes analog‑digital conversion and uploads process data to main controller via backplane bus. Provides channel‑level diagnosis for open‑circuit, short‑circuit and signal over‑range. Front‑panel LED indicators display module power and channel fault alarm information. Supports hot‑swap operation under compliant on‑site safety procedure. Completely matches control system rack backplane bus communication protocol.
Application Scenarios Large‑scale chemical plant dense measuring‑point control cabinets. Oil‑gas refining unit mass analog signal collection. Paper‑making industry process monitoring automation cabinets. Large water‑treatment plant multi‑point parameter acquisition system.
Performance Parameters Per‑channel sampling rate: 80 samples per second Temperature drift: Less than 0.05% full scale per 10℃ temperature variation Fault tolerance: Single‑channel abnormality will not affect measuring performance of other channels Mean Time Between Failures: Exceeds 220000 hours Shock and vibration resistance: Complies with IEC 60068‑2‑6 cabinet‑mount industrial standard
Usage Notes Do not apply input voltage exceeding 15 VDC to signal channels. Control cabinet internal dust accumulation to prevent connector contact failure. Perform regular inspection for front‑panel LED status indicator. All configuration parameters must be downloaded by official supporting configuration software. Avoid installation position with corrosive gas and heavy conductive dust. Verify channel measurement accuracy periodically according to plant maintenance cycle. Implement lock‑out tag‑out safety rules during module commissioning and maintenance.
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