The Yokogawa SDV531 is a high-reliability digital output module designed for Yokogawa ProSafe-RS Safety Instrumented Systems (SIS) and compatible CENTUM DCS architectures.
It is used to transmit ON/OFF control signals (24 V DC) from the control system to field devices such as relays, solenoid valves, alarms, and actuators. With 8-channel isolated outputs, the SDV531 ensures safe and stable control in mission-critical applications like ESD, F&G, and BMS systems.
Engineered for harsh industrial environments, this module combines robust electrical isolation, fast response, and built-in diagnostics, making it a core component in safety automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | SDV531 |
| Product Type | Digital Output Module |
| System Compatibility | ProSafe-RS / CENTUM safety node |
| Output Channels | 8 channels (module isolated) |
| Output Voltage | 24 V DC |
| Output Type | Current source |
| Max Load Current | 0.6 A per channel (4.8 A total) |
| Min Load Current | 35 mA |
| Leakage Current (OFF) | ≤ 1.6 mA |
| Load Resistance | 40 – 685 Ω |
| External Power Supply | 24 V DC ±20% |
| Response Time | ≤ 30 ms |
| Withstand Voltage | 2 kV AC (1 min) |
| Diagnostics | Built-in wiring diagnostic function |
The module supports dual-redundant configurations and integrated diagnostics, eliminating the need for additional wiring diagnosis components.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | 107.5 × 130 × 32.8 mm |
| Weight | Approx. 0.28 – 0.34 kg |
| Mounting Type | Rack / safety node installation |
| Structure | Plug-in modular I/O card |
| Wiring Options | Pressure clamp / MIL cable / signal cable |
Recommended Related Models
- Yokogawa SDV144 – digital input module
- Yokogawa SDV541 – extended digital output module
- Yokogawa SAI533 – analog output module
- Yokogawa SAV144 – analog input module
- Yokogawa SCB110-S0 – wiring diagnostic adapter
Popular Yokogawa Models
- Yokogawa SDV531 – 8-channel digital output module
- Yokogawa SDV144 – digital input module
- Yokogawa SAI533 – analog output module
- Yokogawa SAV144 – analog input module
- Yokogawa CENTUM VP – DCS platform
