Technical Specifications Input voltage 100‑240 V AC, automatic wide‑range adaptation. Rated DC output 24 V, output power 48 W. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Module surface protection grade IP20. Complies with CE and IEC 61010 industrial control standards.
Functional Features Supplies stable 24 V DC power to each unit inside DCS rack. Realizes hot‑swap replacement without shutting down system power. Built‑in over‑voltage, over‑current and short‑circuit protection circuit. Front‑panel LED indicators display power‑on status and fault alarm. Supports redundant parallel working mode.
Application Scenarios Deployed in Freelance DCS control cabinet. Applied in chemical, power and metallurgy process control projects. Used for new project construction and field spare‑part replacement.
Material Composition Multi‑layer glass‑fiber epoxy printed circuit board. Switch‑mode power semiconductor devices, filter and isolation components. Metal alloy module housing. Screw‑type power wiring terminals. Copper‑alloy back‑plane contact pieces.
Structural Characteristics Standard rack‑mount plug‑in structure. Front panel equipped with status LED indicators. Rear side adopts back‑plane plug‑in connection. Module dimension 25 mm width, 130 mm height, 125 mm depth. Weight approximately 0.54 kilogram.
Working Principle AC input passes filter and rectifier circuit. Internal switch‑mode power unit completes voltage conversion and stabilization. Stable 24 V DC power is transmitted to rack back‑plane bus to supply power for each functional module.
Installation Requirements Insert module into designated rack slot and tighten locking screw. Connect AC input power according to rated specification. Ensure reliable protective grounding of cabinet. Check LED normal indication after power‑on. Configure redundant parameters when parallel operation is required.
Usage Notes Take anti‑static protection during handling. Disconnect input power for complete disassembly. Periodically check terminal tightening torque. Prevent conductive dust and corrosive gas accumulation. Replace module following DCS maintenance workflow.
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