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- Yokogawa
- SDV144-S53 S4
- Digital Input Module
- Japan
- 25 mm × 100 mm × 130 mm
- 0.33kg
- Xiamen, China
- New & In Stock
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Safety Digital Input Module Overview
Model: SDV144-S53 S4
1. Brand and Series Information
The SDV144-S53 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 and processing of discrete field signals from safety-related devices in industrial environments.
The series is widely applied in process industries where safety integrity, redundancy, diagnostics, and long-term operational stability are essential requirements.
2. Product Overview
The SDV144-S53 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 control systems.
The module ensures stable signal transmission while maintaining strong electrical isolation between field wiring and system logic.
The S4 version represents a higher-level revision with enhanced processing capability, improved diagnostics, and stronger system robustness compared to earlier versions.
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 optimized safety 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 | 0.33 kg |
4. Product Introduction
The SDV144-S53 S4 is designed for high-reliability safety signal monitoring in industrial automation systems.
It continuously acquires digital status signals from field devices and transmits them to safety controllers for real-time processing.
The module is optimized for fast response and stable operation under demanding industrial conditions.
The S4 revision introduces enhanced diagnostic depth and improved signal processing consistency, making it suitable for higher integrity safety applications.
5. Applications
The SDV144-S53 S4 is widely used in industrial safety systems, including:
- Emergency shutdown systems (ESD)
- Fire and gas detection systems
- Safety interlock and permissive logic systems
- Petrochemical and refinery facilities
- Power generation safety and turbine control systems
- Water treatment and environmental safety monitoring
- Industrial machinery protection systems
It is especially suitable for high-risk environments requiring strict safety compliance and rapid response behavior.
6. Product Advantages
Enhanced Safety Integrity
Designed for high-reliability safety instrumented systems with improved fault detection.
High-Speed Response
Ensures rapid detection of safety-related input changes.
Advanced Diagnostic Capability
S4 revision provides deeper system monitoring and fault isolation.
Strong Electrical Isolation
Protects control systems from voltage spikes and electromagnetic interference.
Compact Modular Architecture
Supports high-density installation in control cabinets.
Improved Stability (S4 Version)
Enhanced signal consistency and long-term operational reliability.
7. Similar Models (Same Series / Related Safety Modules)
| Model | Description | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| SDV144-S51 S4 | Standard safety input module | Digital input | 25 × 100 × 130 | 0.31 |
| SDV144-S52 S4 | Enhanced diagnostic version | Safety DI module | 25 × 100 × 130 | 0.32 |
| SDV144-S53/B4D00 S4 | Alternate configuration model | Safety input module | 25 × 100 × 130 | 0.33 |
| SDV144-S54 S4 | Expanded channel version | Multi-channel safety input | 28 × 100 × 130 | 0.34 |
| SDV144-S55 S4 | High isolation reinforced model | Safety-grade input module | 25 × 105 × 135 | 0.35 |
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-S53 S4 is a high-integrity safety digital input module designed for critical industrial signal monitoring.
It is widely applied in environments requiring strong diagnostics, fast response, and maximum system reliability.
Its S4 enhanced architecture, robust isolation design, and modular flexibility make it suitable for advanced safety instrumented system applications.