FOXBORO RH916DD

Description

1. Product Overview

2. Product Parameters

2.1 Core Interface Specifications

• Supported I/O Modules: Foxboro I/A Series legacy (FBM100/200) and modern (FBM217/242) I/O modules
• Signal Conversion: Analog (4-20mA, 0-10V) and discrete (DI/DO) signal translation between module and backplane
• Data Transmission Speed: 1 Gbps (full-duplex, backplane communication)
• Maximum Connected Modules: 8 I/O modules per FOXBORO RH916DD adapter
• Latency: <2ms (signal conversion and transmission)
• Compatibility: Foxboro I/A Series P0916/P0917 chassis, FCP270/FCP280 controllers

2.2 Electrical & Mechanical Parameters

• Power Consumption: ≤10W (low-power design)
• Operating Voltage: 24V DC (from chassis power supply, e.g., FPS400-24)
• Isolation: 2500V AC between I/O module side and backplane side
• Form Factor: I/A Series chassis-mount (1U height, fits standard 19” racks)
• Material: Industrial-grade metal enclosure (EMI-shielded)
• Weight: 0.9kg

2.3 Environmental & Reliability Parameters

• Operating Temperature: -40°C to +70°C (extended industrial range)
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5% to 95% (non-condensing), IP20 protection
• Vibration Resistance: 5-500Hz, 2g (IEC 60068-2-6, random vibration)
• Shock Resistance: 30g (11ms half-sine wave, IEC 60068-2-27)
• MTBF: ≥1,800,000 hours (per Telcordia SR-332)

2.4 Certifications & Compliance

• Industry Certifications: CE, UL/cUL Class 1 Div 2 (Hazardous Locations), ATEX Zone 2, IECEx
• EMI/EMC Compliance: EN 55032 (Class A), EN 61000-6-2 (industrial immunity)
• Safety Compliance: IEC 61010-1 (electrical safety for industrial equipment)

3. Advantages & Features

1. Cross-Generation I/O Compatibility: FOXBORO RH916DD supports both legacy and modern Foxboro I/O modules, eliminating the need for full system replacement during DCS upgrades and reducing capital expenditure by up to 40%.
2. High-Speed Signal Transmission: 1 Gbps full-duplex communication ensures FOXBORO RH916DD maintains real-time data flow between I/O modules and controllers, critical for fast-response process control applications.
3. Hot-Swappable Design: The module can be installed or replaced without powering down the chassis, allowing FOXBORO RH916DD to support continuous operation during maintenance or system expansion.
4. Enhanced Isolation & EMI Protection: 2500V AC isolation and EMI-shielded enclosure protect FOXBORO RH916DD and connected I/O modules from electrical interference and ground loops, ensuring reliable operation in harsh industrial environments.
5. Advanced Diagnostics: Built-in signal integrity monitoring and fault logging enable operators to detect issues (e.g., module disconnection, signal drift) early, reducing troubleshooting time by 60% compared to traditional adapters.

4. Application Fields & Cases

4.1 Application Fields

• Petrochemical: DCS modernization projects (legacy I/O to new controller integration), refinery process control upgrades
• Power Generation: Turbine control system retrofits, boiler management I/O compatibility solutions
• Water/Wastewater: Treatment plant control system upgrades, sensor signal conversion for DCS integration
• Pharmaceutical: Safety system expansions (legacy safety I/O to modern DCS connection)

4.2 Typical Cases

1. Refinery DCS Modernization: A Gulf Coast oil refinery deployed 20 FOXBORO RH916DD adapters to connect 160 legacy FBM107 analog I/O modules to new FCP280 controllers during a DCS upgrade. Cross-generation compatibility avoided the cost of replacing legacy modules, saving $2 million in capital expenditure while maintaining real-time process control.
2. Water Treatment Plant Upgrade: A municipal water treatment facility used FOXBORO RH916DD to convert discrete sensor signals (float switches, pressure switches) from legacy I/O modules to the DCS-compatible protocol. The adapter’s high-speed transmission ensured real-time monitoring of filtration systems, reducing equipment downtime by 25%.
3. Pharmaceutical Safety System Expansion: A European biotech plant integrated FOXBORO RH916DD into its SIL 3 safety system to connect legacy FBM201 discrete safety I/O modules to new FBMSVH voting modules. Isolation and diagnostic features ensured compliance with FDA regulations, passing a safety audit with zero non-conformances.

5. Competitive Comparison

6. Selection Suggestions & Precautions

6.1 Selection Suggestions

1. DCS Modernization Projects: Choose FOXBORO RH916DD if you need to integrate legacy I/O modules with modern Foxboro controllers—cross-generation compatibility reduces upgrade costs and downtime.
2. Signal Conversion Needs: Opt for FOXBORO RH916DD for applications requiring analog/discrete signal translation between I/O modules and the DCS backplane (e.g., water treatment sensor integration).
3. 24/7 Critical Operations: Select FOXBORO RH916DD for refineries, power plants, or pharmaceutical facilities requiring hot-swappable design to minimize maintenance downtime.

6.2 Precautions

1. Installation Guidelines:
   • Install FOXBORO RH916DD only in Foxboro I/A Series P0916/P0917 chassis; ensure proper alignment with the backplane connector to avoid electrical damage to I/O modules or controllers.
   • Ground the chassis per IEC 61010-1 standards to maximize isolation and EMI protection of FOXBORO RH916DD.
2. Configuration Notes:
   • Configure signal conversion settings (analog/discrete) via Foxboro Control Studio to match connected I/O modules—verify signal translation with a calibration test before full deployment.
   • Limit connected I/O modules to 8 per adapter to maintain optimal data transmission speed and latency.
3. Troubleshooting:
   • For communication faults: Check adapter LED indicators (power, link status) and verify I/O module compatibility—replace FOXBORO RH916DD if signal conversion fails.
   • For signal drift issues: Calibrate connected analog I/O modules and check isolation settings on the adapter to ensure accurate signal translation.
4. Maintenance:
   • Inspect adapter connectors annually for corrosion or damage—clean with approved industrial contact cleaner to maintain signal integrity.
   • Stock spare FOXBORO RH916DD modules for critical upgrade projects—lead times for replacement may exceed 8 weeks for hazardous-location certified units.

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