Technical Specifications Input Voltage:24VDC (20‑30VDC range) Output:5VDC, 30W Backplane Supply Current:6A @5VDC Isolation Voltage:1500V RMS Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%-95%, non‑condensing Certifications:CE, UL, cUL
Functional Features 24VDC wide input range, over‑voltage, over‑current and short‑circuit protection, power‑OK LED status, DC‑to‑DC conversion for rack backplane.
Application Scenarios DC‑powered control cabinet, remote skid equipment, field site without AC power supply, Series 90‑30 main rack power supply.
Performance Parameters Output voltage deviation within ±5% Built‑in multi‑fault protection mechanism Designed for continuous industrial operation Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard plug‑in module for Series 90‑30 power slot Front‑panel POWER‑OK LED indicator Front‑side 24VDC input terminal block Backplane gold‑finger power output contact Internal DC‑DC conversion circuit Mechanical locking latch
Working Principle External 24VDC input passes filter and DC‑DC isolation conversion circuit, outputs stable 5VDC power to rack backplane bus. Protection circuit monitors input and output status. When fault occurs, protection activates and power‑OK LED turns off.
Installation Requirements Insert module into main rack dedicated power slot. Complete cabinet protective ground. Confirm input 24VDC voltage stays within allowable range. Pay attention to DC wiring polarity. Cut off DC input power before module replacement, hot‑swap not supported. Ensure cabinet heat dissipation condition.
Usage Notes Strictly follow positive‑negative polarity for DC input. Total rack module load shall not exceed 30W output power. Avoid input voltage spike interference. Check POWER‑OK LED regularly. Forbid on‑site disassembly. Prevent dust accumulation, corrosive gas and liquid splash.
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