Yokogawa SDV531‑L63/PRP‑S4
- Product Name: SDV531‑L63/PRP‑S4 8‑Channel Digital Output Module (Safety Grade)
- Product Series: Yokogawa ProSafe‑RS Safety Instrumented System (SIS) I/O Module Series
- Product Brief: Safety‑certified digital output module for industrial safety control systems, executing safety interlock and switch control commands
Detailed content
- Technical Specifications:
- Channel Quantity: 8 independent digital output channels
- Output Format: Current source type
- Output Voltage: 24 VDC
- Max Load Current: 0.6 A per channel, total 4.8 A
- Min Load Current: 35 mA
- Off‑State Leakage Current: ≤1.6 mA
- On‑State Voltage Drop: ≤1 V
- Output Response Time: ≤30 ms
- Isolation Voltage: 2000 VAC (1 min, between output channel and system bus)
- External Power Supply: 24 VDC (+20% / -10%), 5 A capacity
- Operating Temperature: -20°C ~ +70°C (ISA Standard G3 compliant)
- Dimensions (W×H×D): 130 mm × 107.5 mm × 32.8 mm
- Weight: 0.34 kg
- Functional Features: Module‑level electrical isolation, short‑circuit protection, fault self‑diagnosis, redundant communication support, SIL 2 safety level certification
- Performance Advantages: Long‑distance signal transmission capability, high anti‑electromagnetic interference, stable operation in harsh industrial environments
- Material Composition: Housing: High‑strength flame‑retardant plastic; Internal circuit board: Anti‑corrosion PCB with gold‑plated pins
- Structural Characteristics: DIN rail modular plug‑in design, hot‑swappable function for online maintenance
- Working Principle: Receive control signals from safety controller, convert to switch output signals to drive field actuators, with real‑time fault feedback
- Applicable Industries: Oil & gas, petrochemical, power plant safety interlock, hazardous chemical industry safety control
- Installation Requirements: Standard 35 mm DIN rail installation, single‑row dense arrangement with heat dissipation gap ≥10 mm between modules
- Usage Precautions: Strictly match rated power supply parameters; regular inspection of output channel load status












