Technical Overview
The Yokogawa SDV144-S13 functions as a high-density digital input module for the CENTUM VP and ProSafe-RS distributed control systems. This module provides 64 isolated channels that accept 24 VDC signals from field devices such as sensors and limit switches. Its 1 ms response time ensures high-speed event detection for critical interlock and safety applications. The SDV144-S13 also includes ISA Standard G3 conformal coating for enhanced corrosion resistance in harsh environments.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Digital Input Module |
| System Compatibility | CENTUM VP, ProSafe-RS |
| Input Channels | 64 (channel-to-channel isolation) |
| Rated Input Voltage | 24 VDC |
| Input Voltage Range | 19.2–30 VDC |
| Input Current | 4.5 mA per channel |
| Input Impedance | 5.3 kΩ |
| Response Time | ≤ 1 ms |
| Diagnostics | Open circuit detection |
| Withstand Voltage | 1.5 kV AC (input to system) |
| Current Consumption | 350 mA (5 V) / 150 mA (24 V) |
| External Connections | Pressure clamp terminal, MIL cable |
| Dimensions (W x H x D) | 130 x 124 x 32.8 mm |
| Weight | 0.28 kg |
| Operating Temperature | -20°C to 70°C |
| Environmental Standard | ISA Standard G3 (conformal coating) |
| Certifications | CE, CSA |
High-Density Input Architecture
The Yokogawa SDV144-S13 offers 64 channels in a single module, maximizing channel density per slot. Each input channel features true channel-to-channel isolation, meaning a fault on one input will not affect others. Its 1 ms response time ensures accurate detection of fast digital signals from proximity switches and pushbuttons. The module also includes open circuit detection, alerting operators to broken field wiring.
Environmental Resilience and Suffix Code
The S13 suffix specifies ISA Standard G3 conformal coating, providing enhanced protection against corrosive atmospheres. The extended operating temperature range of -20°C to 70°C ensures reliable performance in outdoor cabinets or high-heat areas. Consequently, this module suits applications in chemical plants, oil refineries, and offshore platforms.
Integration and Diagnostics
The SDV144-S13 seamlessly integrates into Yokogawa CENTUM VP and ProSafe-RS system cabinets via its backplane interface. It supports hot-swapping, enabling module replacement without system shutdown. Furthermore, the module reports diagnostic data over the system bus for condition monitoring from the control room.
Details
| Weight | 0.28 kg |
|---|---|
| Dimensions | 130 × 124 × 32.8 mm |
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