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Yokogawa SDV144-S53

Product Introduction: A high-performance digital input module designed for Yokogawa’s CENTUM series DCS systems. It provides 16 channels of isolated 24 V DC dry contact input, enabling reliable monitoring of discrete field device statuses in industrial automation.

Technical Specifications:

  • Input Channels: 16-channel digital input.
  • Input Type: 24 V DC dry contact (no-voltage) signals.
  • Input Current: 6 mA ±20% at 24 V DC (0Ω input).
  • Contact Rating: 24 V DC ±10%, 10 mA or higher.

Detailed content

  • Isolation: Galvanic isolation between input channels and the DCS system.
  • Response Time: Maximum 40 ms for fast status detection.
  • Termination: Pressure-clamp terminal block or MIL cable (non-explosion-proof).
  • Compatibility: Fully compatible with CENTUM CS 3000 and CENTUM VP systems.
  • Environmental Rating: G3 corrosive gas resistant, operating temperature -20°C to +70°C.
  • Dimensions: 107 × 130 × 32 mm; Weight: approx. 1 kg.

    Key Features:

  • 16-channel high density for efficient system design and space utilization.
  • Isolated inputs enhance system safety and provide superior noise immunity.
  • Fast response time ensures timely detection of process events and interlock conditions.
  • Flexible termination options for easy installation and maintenance.
  • LED indicators for each channel provide visual status monitoring.
  • Robust construction for reliable operation in harsh industrial environments.
  • Comprehensive diagnostic functions for quick fault identification and system maintenance.

    Applications:

  • Monitoring limit switches, pressure switches, and level switches in process plants.
  • Receiving feedback from motor starters, valve actuators, and solenoid valves.
  • Interlock and sequencing logic in manufacturing and production automation.
  • Status monitoring of safety devices and emergency stop circuits.
  • Conveyor systems, material handling equipment, and packaging machinery control.

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