Technical Specifications Input Voltage: 24 VDC nominal Input Voltage Range: 18‑30 VDC Output Power Rating: 40 Watt power supply capacity Output: Internal bus power for RX3i rack modules Protection Function: Over‑current, over‑voltage, short‑circuit self‑protection Operating Temperature: ‑40 ℃ to +70 ℃ Storage Temperature: ‑50 ℃ to +85 ℃ Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Single‑slot module for RX3i rack Certifications: CE, UL industrial control compliance
Functional Features Converts 24 VDC field input into stable internal power for the whole RX3i rack. Built‑in multiple protection mechanisms against over‑current, over‑voltage and short‑circuit faults. Front‑panel LED indicator reflects power supply running status and fault alarm. Supports hot‑swap replacement under system running condition. Reports power supply status and fault information to RX3i CPU via backplane bus. Overload automatic shutdown function protects backplane and other modules from damage.
Application Scenarios Power source unit for RX3i PLC automation control cabinet. Power supply for process control system in chemical, power and metallurgy industries. Manufacturing production line PLC control system power configuration. Industrial renovation projects adopting PACSystems RX3i hardware platform.
Structural Characteristics Standard single‑slot plug‑in structure compatible with RX3i series rack. Front‑panel power and fault status LED indicator. Front‑side input power terminal block for DC power wiring. Backplane golden‑finger interface for internal power output and diagnostic communication. Built‑in heat dissipation structure adapting to closed cabinet working environment. Locking mechanism for reliable fixing inside rack to resist vibration displacement.
Working Principle 24 VDC input power accesses through front‑side terminals. Internal conversion circuit stabilizes voltage and generates multi‑channel internal working power, which is transmitted to each slot on backplane.
Installation Requirements Install the module into power‑supply designated slot of RX3i standard rack. Carry out rack protective grounding strictly according to official grounding specification. Input power cable shall match rated current requirement; use proper cable gauge.
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