Emerson CE4003S2B3

Product Name

DeltaV Series 2 16-Channel Relay Input Module

Product Brief

This is a 16-channel relay input module for Emerson DeltaV distributed control systems. It provides galvanically isolated digital signal input channels, designed for reliable acquisition of dry contact and relay output signals from field devices in industrial process control applications.

Category:
Description
Technical Specifications
  • Number of channels: 16 input channels
  • Input voltage range: 24–240 V AC/DC wide range
  • Galvanic isolation: 5 kV between field side and system side
  • Surge protection: 5000 V surge withstand capability
  • Power supply: 24 VDC, power consumption ≤3.5 W
  • Response time: ≤10 ms
  • Operating temperature range: -40°C to +85°C
  • Dimensions: 120 mm × 80 mm × 35 mm
  • Protection rating: IP20
  • Compatibility: DeltaV DCS systems, Ovation control systems, PLC-based automation platforms
Functional Features
  • Wide input voltage range for compatibility with diverse field signal types
  • High-strength galvanic isolation protects system circuits from field-side electrical hazards
  • Integrated surge suppression for reliable operation in harsh electrical environments
  • Per-channel signal status indication for fault diagnosis
  • Hot-swap capability for online replacement without system shutdown
  • Robust industrial-grade design for long-term reliability
Application Scenarios
  • Oil and gas production and refining processes
  • Chemical and pharmaceutical manufacturing plants
  • Power generation and distribution systems
  • Water and wastewater treatment facilities
  • General industrial process monitoring and safety interlock systems
Material & Structure
  • Flame-retardant plastic enclosure with metal shielding
  • Internal isolation transformers and surge protection components
  • Plug-in module structure with backplane connector
  • Front-panel status indicators for channel monitoring
Working Principle

The module receives switching signals from field devices through input channels, performs signal conditioning and electrical isolation via internal isolation circuits, and converts the field signals into logic level signals compatible with the DCS system backplane. It transmits channel state data to the system controller, enabling real-time monitoring of field device status and safety interlock logic.

Installation Requirements
  • Installs in DeltaV I/O carrier slots
  • Supports hot insertion and removal with system power applied
  • Use appropriate wire gauge for field connections based on current ratings
  • Ensure proper grounding of field wiring shields
Usage Notes
  • Verify input signal type and voltage level before field wiring connection
  • Do not apply voltage exceeding the maximum rating to input channels
  • Regularly check channel status indicators to identify fault conditions
  • Follow electrostatic discharge protection procedures during module handling
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