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Overview
The Yokogawa SDV144-S33/PRP is a 16-channel digital input module optimized for Safety Instrumented Systems (SIS) and Distributed Control Systems (DCS). It accepts contact signals from field devices while providing fully isolated input channels, ensuring secure and reliable data acquisition. Its compact design allows efficient installation in high-density control panels.
This module supports dual redundancy for fault-tolerant systems and offers multiple wiring options, including pressure clamp terminals, MIL cable, or signal cable adapters. Built to withstand industrial conditions, the SDV144-S33/PRP ensures high reliability even under harsh environmental stress.
Features
- Provides 16 isolated input channels to prevent interference between signals.
- Supports dual-redundancy configurations for enhanced system reliability.
- Compact module design fits dense installations efficiently.
- Offers multiple wiring options: pressure clamp, MIL cable, or signal adapter.
- Available with optional surge protection for improved safety.
- Complies with ISA G3 standards for corrosion and vibration resistance.
- Includes optional mechanical safeguards to prevent false module insertion.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | SDV144-S33/PRP |
| Product Type | 16-Channel Digital Input Module |
| Input Channels | 16 isolated channels |
| Input Signal Type | No-voltage contact |
| ON Resistance | ≤ 1 kΩ |
| OFF Resistance | ≥ 100 kΩ |
| Input Current | 6 mA ± 20% (0 Ω, 24 VDC external supply) |
| Rated Voltage | 24 VDC ±10% |
| Max Input Voltage | 30 VDC |
| Response Time | ≤ 40 ms |
| Current Consumption | 290 mA max (5 VDC); 140 mA max (24 VDC) |
| Withstand Voltage | 2 kV AC between input and system for 1 minute |
| Weight | 0.36–0.41 kg depending on terminal configuration |
| Operating Temperature | -20°C to +70°C |
| Mounting | DIN rail |
| External Connections | Pressure clamp terminal, MIL cable, or signal cable adapter |
| Series | RMS-TSG-TZ-C compatible |
| Applications | Safety Instrumented Systems, Distributed Control Systems, industrial automation |
Benefits
- Ensures secure data acquisition through high isolation on all input channels.
- Enhances system reliability with dual-redundancy and optional surge protection.
- Simplifies installation with compact design and versatile wiring options.
- Offers durable performance under extreme environmental conditions.
- Integrates seamlessly with Yokogawa DCS and SIS systems for process automation.