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Yokogawa SDV531-L23 Digital Output Module
Product Introduction: An 8-channel digital output module designed for Yokogawa’s ProSafe-RS safety instrumented systems (SIS) and CENTUM VP DCS. It provides isolated 24 V DC output signals for controlling field actuators, relays, and solenoid valves in safety-critical applications.
Technical Specifications:
- Channels: 8 isolated digital output channels
- Output Type: 24 V DC, transistor (open-collector)
- Output Current: Max 100 mA per channel
Detailed content
- Isolation Voltage: 250 V rms channel-to-ground
- Response Time: 4 ms typical
- Power Supply: 24 V DC (system bus-powered)
- Operating Temperature: -20°C to +60°C
- Dimensions: 85 mm × 55 mm × 110 mm (W × H × D)
- Weight: Approx. 0.5 kg
- Certifications: SIL 2 certified for safety applications
Functional Features:
- 8 fully isolated channels for noise immunity
- High drive capability for direct actuator control
- SIL 2 safety integrity for critical process applications
- Comprehensive diagnostic functions for fault detection
- Hot-swappable design for minimal system downtime
- Compatibility with Yokogawa ProSafe-RS and CENTUM VP
- Robust construction for harsh industrial environments
Application Scenarios:
- Safety instrumented systems (SIS) in oil and gas
- Petrochemical and chemical plant safety systems
- Power generation safety control
- Emergency shutdown (ESD) systems
- Industrial automation safety loops
- Critical process control applications
