



The Yokogawa SDV531-S53 is a digital output module designed for Yokogawa ProSafe-RS Safety Instrumented Systems (SIS) and compatible CENTUM safety node architectures.
It provides reliable 24 V DC ON/OFF control signals to field devices such as solenoid valves, relays, alarms, and actuators. The SDV531-S53 is engineered for safety-critical environments, ensuring stable signal transmission and high operational reliability in systems like ESD, F&G, and BMS.
The suffix “-S53” defines a specific configuration within the SDV531 series:
- S = Standard model
- 5 = Pressure clamp terminal block or MIL cable interface
- 3 = ISA G3 environmental rating (-20°C to +70°C)
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | SDV531-S53 |
| 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 |
| Total Load Current | Up to 4.8 A |
| 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) |
| Operating Temperature | -20°C to +70°C |
The module delivers stable and isolated digital outputs for safety systems, with high reliability and strong resistance to electrical noise.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 107 × 130 × 32 mm |
| Weight | Approx. 0.3 kg |
| Mounting Type | Rack / safety node installation |
| Structure | Plug-in modular I/O card |
| Wiring Interface | Pressure clamp terminal / MIL cable |
Recommended Related Models
- Yokogawa SDV531-S13 – pressure clamp standard version
- Yokogawa SDV531-L63 – long-distance cable interface version
- Yokogawa SDV144 – digital input module
- Yokogawa SAI533 – analog output module
- Yokogawa SCB110-S0 – wiring diagnostic adapter
Popular Yokogawa Models
- Yokogawa SDV531-S53 – digital output module
- Yokogawa SDV144 – safety digital input module
- Yokogawa SAI533 – analog output module
- Yokogawa SAV144 – analog input module
- Yokogawa CENTUM VP – DCS platform