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Emerson 5A26458G05
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Siemens 0005‑4050‑430
Siemens 0005‑4050‑430
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B&R 5AP1130.156C‑000
B&R 5AP1130.156C‑000

Emerson 5A26458G05

Product Name: Ovation System Digital Input Module Product Description: Emerson Ovation distributed control system digital input module. It collects dry‑contact and 24 VDC discrete field signals, transmits processed data and diagnostic information to DCS controller via backplane bus. Technical Specifications:

  • Input Signal Type: Dry contact / 24 VDC sink‑source discrete input
Category:
Description
  • Backplane Interface: Ovation proprietary DCS backplane bus
  • Power Supply: Powered by rack backplane
  • Operating Temperature: 0 °C to +60 °C
  • Storage Temperature: −40 °C to +85 °C
  • Relative Humidity: 5 %‑95 % non‑condensing
  • Protection Rating: IP20, rack‑mount installation Functional Features:
  • Channel‑to‑channel galvanic isolation
  • Per‑channel open‑wire and circuit fault diagnosis
  • Hot‑swap capable under standard Ovation rack environment
  • Per‑channel front‑panel LED status indication
  • Fault alarm reporting to upper‑level Ovation controller
  • Hardware filter for contact bounce and electromagnetic noise Application Scenarios:
  • Thermal power plant DCS control room
  • Petrochemical process control system
  • Pulp and paper mill distributed control site
  • Large‑scale water‑treatment automation system
  • Spare‑part replacement for existing Ovation installations Performance Parameters:
  • Configurable input signal filtering time via DCS software
  • High isolation voltage between field side and logic side
  • Full diagnostic coverage for field wiring failure Material Composition:
  • Module housing: High‑impact flame‑retardant ABS plastic
  • Circuit substrate: Industrial grade FR‑4 PCB
  • Isolation unit: Opto‑coupler array for channel isolation
  • Backplane connector: Gold‑plated industrial multi‑pin connector Structural Characteristics:
  • Standard width module for Ovation rack
  • Front panel equipped with status LED indicators
  • Rear edge connector mates with Ovation rack backplane
  • Mechanical latch for stable rack seating Working Principle: Field discrete contact or 24 VDC signals pass opto‑isolation processing. Each channel status is sampled, filtered and diagnosed. Digital status data transmits to Ovation controller for logic computation and alarm output through backplane bus. Installation Requirements:
  • Mount inside standard Emerson Ovation rack assembly
  • Verify rack backplane integrity and normal power supply
  • Insert module smoothly until mechanical latch fully engages
  • Follow official DCS hardware slot assignment rules
  • Cabinet air circulation must keep ambient within 0‑60 °C Usage Precautions:
  • Do not hot‑swap in hazardous location with cabinet door open
  • Confirm rack firmware compatibility before module replacement
  • Avoid condensation inside control cabinet
  • Never input field voltage exceeding module rated specification
  • Wear ESD wrist‑strap when handling exposed circuit assemblies
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