YOKOGAWA SDV531-L33 DIGITAL OUTPUT MODULE

Description:

The Yokogawa SDV531-L33 Digital Output Module is used an 8-channel discrete output module used in Yokogawa CENTUM VP and ProSafe-RS systems. It transmits ON/OFF control signals from the control system to field devices such as relays, solenoids, and actuators. The module is designed with module isolation and built-in wiring diagnostics, ensuring reliable performance in safety-critical industrial environments.

Applications:

The Yokogawa SDV531-L33 is used in industrial automation systems to control field equipment through digital outputs. It is commonly deployed in oil & gas, LNG plants, chemical processing, and power generation. The module enables reliable control of valves, alarms, motors, and interlocks, supporting safe and continuous plant operation.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: SDV531-L33
• Product Type: Digital Output Module
• Number of Channels: 8-channel, module isolation
• Output Signal Type: 24 VDC digital output (current source type)
• Output Voltage: 24 VDC
• Output Current: ~0.1–0.2 A per channel (typical class)
• Output Response Time: ≤30 ms
• External Power Supply: 24 VDC (industrial standard)
• Isolation: Module isolation between channels and system bus
• Operating Temperature: -20 to 70 °C (ISA G3 environment rating)
• Interface: Signal cable / terminal / MIL connector options
• System Compatibility: Yokogawa CENTUM VP / ProSafe-RS (FIO / ESB architecture)
• Function: Sends discrete control signals from controller to field devices

Common Replacements:

• Yokogawa SDV531-S53 (updated suffix variant)
• Yokogawa SDV541 Series (16-channel higher density output module)
• Yokogawa ADV551 Series (newer generation output module)