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Product Introduction
The Yokogawa SAI143-H63/PRP is a high-performance Analog Input Module designed for use within the Yokogawa CENTUM VP distributed control system (DCS). As part of the N-IO (Network I/O) family, it supports high-density analog signal input with integrated redundant communication via PRP (Parallel Redundancy Protocol). This module is tailored for applications requiring highly reliable, real-time data acquisition and precise analog signal monitoring in industrial automation.
With the SAI143-H63/PRP, users benefit from intelligent signal processing, advanced diagnostics, and easy integration with engineering tools. Its robust construction and PRP compatibility make it ideal for deployment in critical process environments such as oil and gas, petrochemical, energy, and water treatment.
Product Features
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16-Channel Universal Analog Input: Supports various signal types including 4–20 mA, 1–5 V, and thermocouples.
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Redundancy Support: Built-in PRP for fault-tolerant Ethernet communication.
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Hot Swap Functionality: Allows replacement without system downtime.
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Intelligent Diagnostics: Detects sensor wiring issues, disconnection, short circuit, and range errors.
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Integration Ready: Seamlessly integrates into CENTUM VP system architecture.
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Low Power Consumption: Engineered for efficiency and sustainability.
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Wide Ambient Operating Range: Ensures reliability even in harsh environments.
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Isolated Channels: Provides galvanic isolation to prevent interference and signal degradation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | SAI143-H63/PRP |
| Input Channels | 16 channels (universal analog input) |
| Supported Signal Types | 4–20 mA, 1–5 V, Thermocouples, RTDs |
| Isolation | Channel-to-channel and channel-to-ground isolation |
| Communication Protocol | Vnet/IP with PRP (Parallel Redundancy Protocol) |
| Input Resolution | 16 bits |
| Power Supply Voltage | Supplied via base unit (nominal 24 VDC) |
| Operating Temperature Range | -20°C to +70°C |
| Storage Temperature Range | -40°C to +85°C |
| Dimensions | 130 x 107.5 x 32.8mm |
| Weight | 0.39 kg |
| Mounting | DIN rail mounting |
| Certifications | CE, UL, CSA, ATEX (depending on system certification) |
| Hot Swappable | Yes |
Product Applications
The SAI143-H63/PRP module is used across a wide range of industrial sectors, particularly where high reliability and real-time performance are essential:
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Oil & Gas: Monitoring of pressure, temperature, and flow in upstream and downstream systems.
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Petrochemical Plants: Accurate analog acquisition from reactors and distillation units.
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Power Generation: Integration into turbine control systems and auxiliary plant equipment.
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Water Treatment: Real-time monitoring of chemical dosing, pH, and flow rates.
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Pharmaceuticals: Ensures precise process control in batch manufacturing systems.
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Pulp and Paper: Maintains continuous process data from multiple sensors in mill operations.
Product Advantages
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High Availability: PRP support guarantees zero-packet-loss redundancy.
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Ease of Maintenance: Hot-swappable feature simplifies on-site replacements.
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Flexible Input Capability: Universal channels reduce need for multiple module types.
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Efficient Wiring: Simplifies cabinet layout and reduces engineering hours.
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Advanced Diagnostics: Helps identify and resolve sensor-related issues swiftly.
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Compact Design: Saves space while supporting high-density input.
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Seamless Integration: Fully compatible with Yokogawa’s CENTUM VP and ProSafe-RS platforms.
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Long Service Life: Designed to meet extended lifecycle requirements of process industries.
10 Common FAQs
Q1: What is the function of the PRP feature in this module?
A1: PRP (Parallel Redundancy Protocol) allows dual network communication paths to ensure seamless data transfer even if one network path fails.
Q2: Can this module be used in SIL-rated systems?
A2: While this module itself may not be certified for SIL, it can be used within Yokogawa safety systems that support SIL-rated functions.
Q3: Is this module compatible with older versions of CENTUM?
A3: It is primarily designed for CENTUM VP, but backward compatibility may exist depending on system configuration.
Q4: What happens if the power supply fails on one side?
A4: If powered redundantly through a PRP-enabled base, the module continues operating without data loss.
Q5: How do I configure each input channel?
A5: Configuration is performed via the engineering workstation using Yokogawa’s system integration tools (e.g., Yokogawa PRM or FieldMate).
Q6: Does the module support HART communication?
A6: Yes, with the appropriate system configuration, HART pass-through can be supported for diagnostics and calibration.
Q7: Can the SAI143-H63/PRP operate in hazardous environments?
A7: When installed within certified enclosures, the module complies with ATEX and other zone-specific standards.
Q8: What is the typical response time per channel?
A8: The module processes input data typically within milliseconds, depending on the scan cycle configuration.
Q9: Can it be installed outdoors?
A9: It is intended for control cabinet installation in protected environments, not direct outdoor use.
Q10: What are the maintenance intervals?
A10: Minimal maintenance is needed. Periodic verification and firmware updates are recommended per Yokogawa guidelines.
Recommended Related or Similar Models
| Model | Description |
|---|---|
| SAI143-H63 | Standard version without PRP |
| SAI533-H33 | 16-channel AI with HART support |
| SAI143-H33/PRP | Similar analog input module with fewer diagnostics |
| SAI143-H53/PRP | With enhanced isolation and HART capabilities |
| SAI533-H53 | Universal input with enhanced diagnostics |
| SAI533-H63/PRP | High-end analog input with redundancy & HART |
Popular Yokogawa Models from Same Brand
| Model | Description | Channels | Dimensions (mm) | Weight |
|---|---|---|---|---|
| SAI143-H63/PRP | 16-Channel Analog Input with PRP | 16 | 30 x 130 x 130 | 300g |
| AAI143-H50 | Analog Input Module for FOUNDATION Fieldbus | 8 | 30 x 130 x 130 | 280g |
| ADV551-P03 | Digital Output Module | 16 | 30 x 130 x 130 | 310g |
| CP345 S1 | Communication Processor | – | 50 x 130 x 140 | 350g |
| ANR11D-420 S1 | Signal Conditioner Module | – | 30 x 130 x 120 | 270g |
| AMN11 S1 | System Management Processor | – | 40 x 130 x 135 | 320g |
