Yokogawa SDV144-S33 S2/S4 Digital Input Module

The Yokogawa SDV144-S33 S2/S4 Digital Input Module is a high-performance module designed to capture and process discrete signals from field devices in industrial automation systems. Compatible with Yokogawa's DCS (Distributed Control System) architecture, it ensures rapid and accurate digital signal acquisition, enabling real-time monitoring and control of process variables.Featuring electrically isolated channels, the SDV144-S33 S2/S4 protects the system against noise and interference, enhancing reliability in demanding environments such as chemical plants, power generation facilities, and water treatment plants. Its modular design allows seamless installation, replacement, and expansion without major system modifications.This module is particularly optimized for fast response, high-density digital inputs, supporting up to 16 channels per module. It works reliably under extreme conditions, including temperature variations and electrical disturbances, ensuring continuous operation of critical industrial processes.

Model: SDV144-S33 S2/S4
Input Points: 16 points
Input Signal Type: DC Contact / Voltage
Isolation: Channel-to-channel / Channel-to-system
Response Time: ≤10 ms
Power Consumption: ≤3 W
Operating Temperature: 0–55°C
Storage Temperature: -20–70°C
Humidity: 5–95% RH, non-condensing
Dimensions: 130 x 32.8 x 107.5 mm
Mounting: DIN Rail / Rack Mounting
Standards Compliance: CE, UL

• Industrial Process Monitoring – Connects with sensors, switches, and alarms to monitor on/off states, supporting real-time decision-making.
  
• Safety Systems Integration – Works with emergency shutdown and interlock systems to enhance process safety.
• High-Density Input Handling – Supports multiple discrete channels in a single compact module, reducing panel space.
• Electrical Noise Immunity – Each channel is isolated to prevent false readings from voltage spikes or interference.
• Flexible System Expansion – Modular design allows adding more input modules to meet growing process monitoring requirements.
• Seamless DCS Integration – Communicates directly with Yokogawa controllers, enabling precise automation control.

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