Yokogawa 2302‑32‑VLE‑2

Brand:Yokogawa Electric Product Name:32‑Channel VLE Bus Analog Voltage Input DCS Module

Product Introduction: High density 32‑channel voltage input module for Yokogawa CENTUM DCS VLE bus, collecting ‑10~+10VDC field sensor analog signals, converting to digital data and uploading to DCS controller for large process industry multi‑point signal monitoring.

Category:
Description

Technical Specifications: 32 channel differential voltage input ‑10~+10VDC; 16bit ADC; basic accuracy ±0.05%FS; total sampling rate 1000sps; VLE redundant bus; 24VDC power; operating temp 0℃~+60℃; rack mount; weight 1.5kg.

Function Features: 32‑channel high density to save cabinet space; high precision weak signal measurement; channel self‑diagnosis for overrange/open circuit; redundant VLE bus communication; front status LED; online hot‑swap; per channel overvoltage protection.

Application Scenarios: Petrochemical DCS process monitoring; power plant multi‑point voltage collection; chemical plant analog sensor acquisition; metallurgy continuous production monitoring; large water treatment DCS system.

Performance Parameters: Temperature drift ≤±50ppm/℃; CMRR≥90dB; SMRR≥60dB; configurable data update cycle; fault upload to DCS alarm log.

Material Composition: High strength flame‑retardant housing; high stability FR‑4 PCB; gold‑plated backplane pins; multi‑channel precision ADC; surge protection components.

Structural Features: Rack plug‑in card structure; front LED display window; rear VLE bus connector; anti‑mis‑insertion key slot; built‑in metal shielding frame for anti‑interference.

Working Principle: Field analog voltage passes conditioning and surge protection circuit, converted to digital value by 16bit ADC; measurement data transmits to DCS controller via VLE bus; diagnostic circuit detects channel abnormal status and uploads alarm information.

Installation Requirements: Install in dedicated Yokogawa DCS cabinet with reliable grounding; field signal uses shielded twisted pair single end grounding at cabinet; separate analog wiring from high power AC cables; anti‑static operation during module handling.

Precautions: Input voltage shall not exceed ±12VDC; must match supporting terminal base; avoid corrosive gas and condensation environment; forbid module disassembly repair; complete channel calibration during commissioning; follow hot‑swap operation steps strictly.

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