A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
High-Integrity Output Control for Safety-Critical Automation Systems
The Yokogawa SDV531-L23 Digital Output Module is a high-reliability 8-channel output unit designed for precise control of field devices in safety instrumented systems (SIS) and distributed control environments. Engineered for Yokogawa’s ProSafe-RS architecture, it delivers stable 24 V DC switching signals with strong electrical isolation, ensuring dependable actuation of valves, solenoids, relays, and industrial control devices.
Built for demanding process industries, the SDV531-L23 combines compact hardware design with robust electrical performance, making it a trusted component in high-availability automation systems where accuracy and uptime are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | SDV531-L23 |
| Product Type | Digital Output Module |
| System Compatibility | ProSafe-RS Safety Instrumented System (SIS) |
| Output Channels | 8 channels |
| Output Type | 24 V DC digital output (sinking type) |
| Output Voltage Range | 12–32 V DC |
| Rated Output Current | Up to 25 mA per channel |
| Maximum Load | 0.6 A per line (4.8 A total) |
| Minimum Load | 35 mA |
| Switching Response Time | ≤ 30 ms |
| Isolation | Optical isolation per channel |
| External Power Supply | 24 V DC (min. 5 A recommended) |
| Communication | High-speed system bus (up to 10 Mbps) |
| Operating Temperature | -20°C to +60°C |
| Humidity | 10–95% RH (non-condensing) |
| Dimensions | 75 × 114 × 90 mm |
| Weight | Approx. 0.28 kg |
