Technical Specifications Input Voltage:24VDC nominal, range 18‑30VDC Output Power:140W Backplane Output:5VDC Maximum Backplane Output Current:28A Isolation Voltage:1500V RMS Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features E‑revision upgraded hardware, 140W high‑power DC‑DC conversion, wide DC input working range, multi‑level electrical fault protection, front‑panel LED power‑fault indication, high‑current stable backplane power supply.
Application Scenarios High‑density I/O RX3i main rack, large‑size industrial control cabinet, spare replacement requiring E hardware revision, DC‑powered complex automation projects.
Performance Parameters Optimized high‑power conversion efficiency Fast overload and short‑circuit protection Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel LED indicators for power and fault operating status Heavy‑duty DC input wiring terminal block Backplane gold‑finger bus contact Internal E‑revision high‑power DC‑DC power circuit assembly Mechanical locking latch
Working Principle External 24VDC input power enters module terminal. Built‑in protection system cuts output once overload, short‑circuit or over‑temperature fault is detected.
Installation Requirements Insert module into dedicated high‑power power slot of RX3i chassis. Complete cabinet protective grounding. Strictly prevent DC input reverse polarity. Sum total rack module power consumption, value shall not exceed 140W rated power. Guarantee cabinet ventilation and heat dissipation.
Usage Notes Select sufficient cross‑section wire for DC input circuit. Do not exceed maximum rated output power. Judge power running condition via front‑panel LED. Forbid on‑site disassembly of internal power components. Avoid corrosive gas, liquid splash and heavy dust accumulation.
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