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- Yokogawa
- SDV144-S63 S4
- Digital Input Module
- Japan
- 25 mm × 100 mm × 130 mm
- 0.34kg
- Xiamen, China
- New & In Stock
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Safety Digital Input Module Overview
Model: SDV144-S63 S4
1. Brand and Series Information
The SDV144-S63 S4 belongs to an industrial safety digital input module family used in safety instrumented systems (SIS) and distributed control system (DCS) architectures.
It is part of a modular safety I/O platform designed for reliable acquisition, isolation, and processing of discrete field signals from safety-related devices.
The series is widely applied in process industries where safety integrity, diagnostic depth, redundancy, and long-term operational stability are essential requirements.
2. Product Overview
The SDV144-S63 S4 is a safety-grade digital input module designed for monitoring ON/OFF status signals from field devices in industrial automation systems.
It is used to interface emergency shutdown devices, safety interlocks, limit switches, and alarm contacts with safety controllers.
The module ensures stable signal transmission while maintaining strong electrical isolation between field wiring and control logic systems.
The S4 version represents a high-level revision with enhanced processing capability, deeper diagnostics, and improved system robustness compared to earlier generations.
3. Technical Parameters
| Parameter | Specification |
|---|---|
| Signal Type | Safety digital input |
| Function | Safety signal acquisition and monitoring |
| Input Channels | Multi-channel digital input configuration |
| Input Voltage | 24 V DC industrial standard |
| Response Time | ≤ 10 ms |
| Diagnostic Function | Advanced multi-level diagnostics |
| System Version | S4 enhanced revision |
| Isolation Voltage | Up to 1500 V AC |
| Power Supply | 24 V DC |
| Power Consumption | Low-power safety optimized design |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Humidity Range | 5% – 95% non-condensing |
| Mounting Type | Rack / backplane installation |
| EMC Protection | High immunity industrial safety design |
| Dimensions (W × H × D) | 25 mm × 100 mm × 130 mm |
| Weight | 0.34 kg |
4. Product Introduction
The SDV144-S63 S4 is designed for high-reliability safety signal monitoring in industrial automation systems.
It continuously acquires digital ON/OFF signals from field devices and transmits them to safety controllers for real-time processing.
The module is optimized for fast response behavior and stable operation in demanding industrial environments.
The S4 revision enhances diagnostic accuracy and internal processing stability, making it suitable for higher integrity safety applications.
5. Applications
The SDV144-S63 S4 is widely used in industrial safety systems, including:
- Emergency shutdown systems (ESD)
- Fire and gas detection systems
- Safety interlock systems
- Petrochemical processing plants
- Power generation and turbine safety systems
- Water treatment and environmental monitoring systems
- Industrial machinery protection systems
It is especially suitable for high-risk environments requiring strong diagnostics and system integrity.
6. Product Advantages
High Safety Integrity
Designed for safety instrumented systems with enhanced fault detection capability.
Fast Response Performance
Ensures rapid detection of safety-related signal transitions.
Advanced S4 Diagnostics
Provides deeper system-level monitoring and improved fault isolation.
Strong Electrical Isolation
Protects control systems from electrical noise and transient disturbances.
Compact Modular Design
Enables high-density installation in control cabinets.
Improved System Stability
S4 revision enhances long-term operational consistency.
7. Similar Models (Same Series / Related Safety Modules)
| Model | Description | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| SDV144-S61 S4 | Standard safety input module | Digital input | 25 × 100 × 130 | 0.32 |
| SDV144-S62 S4 | Enhanced diagnostic version | Safety DI module | 25 × 100 × 130 | 0.33 |
| SDV144-S63/B4D00 S4 | Alternate configuration model | Safety input module | 25 × 100 × 130 | 0.34 |
| SDV144-S64 S4 | Expanded channel version | Multi-channel safety input | 28 × 100 × 130 | 0.35 |
| SDV144-S65 S4 | High isolation reinforced model | Safety-grade input module | 25 × 105 × 135 | 0.36 |
8. Popular Models (Same Brand – Industrial Automation Modules)
| Model | Description | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ADV151-P00 S2 | Digital input module | Signal acquisition | 12 × 100 × 110 | 0.17 |
| ADV551-P50 S1 | Analog output module | Signal transmission output | 15 × 100 × 115 | 0.20 |
| AAI141-S00 S1 | Analog input module | Process signal measurement | 12.5 × 100 × 115 | 0.18 |
| AAI543-S50 S1 | Multi-channel analog input module | High-density signal acquisition | 15 × 105 × 120 | 0.23 |
| ADV859-P10 S1 | Communication module | System data communication | 20 × 110 × 130 | 0.25 |
9. Summary
The SDV144-S63 S4 is a high-integrity safety digital input module designed for reliable signal monitoring in industrial safety systems.
It is widely used in applications requiring fast response, advanced diagnostics, and strong system stability.
Its S4 architecture, modular structure, and reinforced isolation design make it suitable for modern safety instrumented system environments.