Emerson 1X00781H01L

Product Name: Ovation DIN‑Rail Mount 24 VDC Power Supply Module Product Brief: Industrial switching power supply module for Emerson Ovation DCS system, provide stable 24 VDC power supply for field I/O modules, sensors and field‑bus equipment, adopt DIN‑rail installation mode for control cabinet. Technical Specifications:

  • Manufacturer: Emerson
Category:
Description
  • Part Number: 1X00781H01L
  • Input Voltage: 100‑240 VAC 50/60 Hz
  • Rated Output: 24‑28 VDC, 10 A
  • Rated Output Power: 240 W
  • Efficiency: 93% typical
  • Cooling Mode: Natural convection cooling, fan‑less design
  • Operating Temperature: ‑20 °C ~ +60 °C
  • Storage Temperature: ‑40 °C ~ +85 °C
  • Protection Class: IP20
  • Mounting Standard: DIN EN 60715 35 mm DIN rail
  • Weight: 520 g

Functional Features:

  • Built‑in over‑voltage, over‑current, short‑circuit complete protection
  • DC‑OK and overload status LED indicators on front panel
  • Wide‑range AC input for global industrial power‑grid adaptation
  • Low‑ripple DC output to reduce interference to DCS signal
  • Compact DIN‑rail structure, space‑saving inside control cabinet
  • Parallel‑connection support for redundant power‑supply configuration

Application Scenarios:

  • DCS cabinet internal 24 VDC power supply for I/O modules
  • Industrial‑field sensor, transmitter power supply
  • Power‑generation, petrochemical, water‑treatment automation control cabinet
  • Ovation system retrofit and spare‑part replacement project

Performance Parameters:

  • Output ripple: ≤120 mV peak‑to‑peak
  • Voltage regulation accuracy: ±1%
  • Protection auto‑recovery after fault elimination
  • MTBF: 310 000 hours

Material Composition:

  • Housing: High‑strength flame‑retardant thermoplastic
  • Main circuit board: FR‑4 industrial‑grade PCB
  • Power‑switching device: High‑efficiency power MOSFET
  • Input‑output terminal: Screw‑type high‑current copper terminal

Structural Characteristics:

  • Vertical DIN‑rail clip‑on mounting structure
  • Front‑side visible status LED indicator
  • Screw‑type terminal block for AC input and DC output
  • Internal heat‑dissipation channel by natural convection, no fan structure

Working Principle: AC input voltage passes through EMI filter, rectifier‑bridge, high‑frequency switching conversion circuit. After high‑frequency transformer isolation and secondary rectification‑filtering, output stable 24 VDC regulated power. Monitoring circuit executes real‑time monitoring of output voltage and current, trigger protection when abnormal condition occurs.

Installation Requirements:

  • Mount on standard 35 mm DIN rail inside control cabinet
  • Leave sufficient upper‑lower gap for natural convection heat dissipation
  • Input and output wiring comply with current‑carrying capacity requirement
  • Ensure reliable grounding connection of power‑supply housing
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