Yokogawa SDV531-S23 S1 Digital Output Module

The Yokogawa SDV531-S23 S1 is a high-performance digital output module designed for use in safety-critical applications. As part of the ProSafe-RS family, this module ensures reliable performance with eight isolated Form A (NPN) relay outputs. It offers seamless integration into safety instrumented systems (SIS), such as emergency shutdown and fire and gas detection systems. With a SIL 2 certification, it meets the necessary safety integrity levels for demanding industrial environments.

Key Features of Yokogawa SDV531-S23 S1

SIL 2 Certification: Ensures compliance with safety standards for safety-critical applications.
Eight Form A (NPN) Relay Outputs: Provides reliable switching for controlling various devices.
Wide Input Voltage Range: Operates efficiently with 24 VDC ±10%, ensuring flexibility in power requirements.
Operating Temperature Range: Performs reliably within a temperature range of -20°C to +70°C, suitable for industrial environments.
Compact and Lightweight Design: Facilitates easy installation in tight spaces while maintaining reliable performance.
Ease of Maintenance: Designed for simple installation and long-term maintenance.

Yokogawa SDV531-S23 S1 Technical Specifications

Specification	Value
Model Number	SDV531-S23 S1
Output Type	Form A (NPN) relay outputs
Number of Outputs	8
Input Voltage	24 VDC ±10%
Relay Current Rating	5.5 A per output
Certification	SIL 2 Certified
Operating Temperature Range	-20°C to +70°C
Storage Temperature Range	-40°C to +85°C
Dimensions	120 mm x 45 mm x 85 mm
Weight	0.40 kg
Fieldbus Support	Compatible with ProSafe-RS and other systems
Protection Class	IP20

Applications

The Yokogawa SDV531-S23 S1 module is ideal for controlling safety-critical devices across various industrial applications. Some common applications include:

Safety Interlocks: Ensures proper control and monitoring of safety devices.
Fire and Gas Detection Systems: Critical for triggering alarms and shutdowns in hazardous environments.
Emergency Shutdown Systems (ESD): Provides fast and reliable switching in case of emergencies.
Process Control Systems: Controls and monitors automation processes in manufacturing settings.
Factory Automation Systems: Integrates into various factory automation systems for enhanced productivity and safety.

The Yokogawa SDV531-S23 S1 is the preferred solution for those seeking high-reliability in digital output modules for safety-related tasks.