Comprehensive technical guide to two essential FOXBORO components: the FBM217 RH916XZ Discrete Input Interface Module and the SRI986-BIDS7ZZZNA Electro-Pneumatic Positioner. These components are integral parts of FOXBORO's I/A Series distributed control systems, providing reliable field interface and valve control solutions for demanding industrial environments.
Discrete Input Interface Module
Function: 32-channel group isolated digital input module for I/A Series DCS
Input Type: Discrete voltage monitoring with galvanic isolation
Communication: 2 Mbps redundant Fieldbus communication
Application: Digital signal acquisition from field devices, switches, and sensors
Key Feature: Group isolation provides enhanced noise immunity and system protection
Electro-Pneumatic Positioner
Function: Precise valve positioning with 4-20mA control signal
Action Type: Single-acting pneumatic operation
Signal Input: 4-20mA analog input with high accuracy
Application: Control valve positioning in process automation systems
Key Feature: Robust design for harsh industrial environments with M20x1.5 cable entry
The FBM217 is a critical component in FOXBORO's I/A Series distributed control system, providing reliable interface between field digital devices and the control system. This module ensures accurate signal acquisition with excellent noise immunity through its group isolation design.
Parameter | Specification | Details |
---|---|---|
Input Channels | 32 discrete inputs | Group isolated digital inputs |
Input Voltage Range | 24V DC +5%, -10% | Standard industrial voltage level |
Isolation | Group isolated | Enhanced noise immunity and safety |
Communication | 2 Mbps Fieldbus | Redundant communication capability |
Dimensions | 10.2 x 4.5 x 10.4 cm | Standard I/A Series form factor |
Operating Temperature | -40°C to +70°C | Extended industrial temperature range |
Environmental Rating | Class G3 | Harsh industrial environment capability |
Part Number | P0914TR | Standard FOXBORO part identification |
Provides electrical isolation between field circuits and control system, enhancing safety and reducing electromagnetic interference.
High-density input capability reduces system footprint and wiring complexity while maintaining reliable signal acquisition.
Dual Fieldbus communication ensures continuous operation even if one communication path fails, maximizing system availability.
Supports discrete input, ladder logic, pulse counting, and sequence of events with configurable input filtering and fail-safe options.
The SRI986 series electro-pneumatic positioner provides precise valve position control in process automation applications. This single-acting positioner converts 4-20mA control signals into pneumatic output for accurate valve positioning with excellent repeatability and stability.
Parameter | Specification | Details |
---|---|---|
Input Signal | 4-20mA | Standard industrial analog input |
Action Type | Single Acting | Spring return pneumatic operation |
Supply Pressure | 1.4 - 7 bar (20-100 psi) | Standard pneumatic supply range |
Output Pressure | 0.2 - 6 bar (3-87 psi) | Proportional to input signal |
Accuracy | ±0.5% of span | High precision positioning |
Repeatability | ±0.2% of span | Excellent position consistency |
Cable Entry | M20x1.5 | With plastic cable gland (gray) |
Operating Temperature | -20°C to +80°C | Industrial temperature range |
Enclosure Rating | IP65 | Weather and dust protection |
Regular performance benchmarking against design specifications
Environmental condition monitoring and adjustment procedures
Preventive maintenance scheduling based on operating conditions
Documentation of all maintenance activities and performance trends
Safety Notice: Always follow proper lockout/tagout procedures when performing maintenance on FOXBORO components. Both the FBM217 and SRI986 may be connected to critical safety systems that require special precautions during maintenance activities.
FOXBORO (now part of Schneider Electric) provides comprehensive support for both components through their global service network:
Complete technical manuals, installation guides, configuration software, and troubleshooting procedures are available through Schneider Electric's technical documentation portal, ensuring proper installation and maintenance.
Comprehensive training courses covering I/A Series system operation, maintenance procedures, and advanced troubleshooting techniques help ensure optimal system performance and reliability.
Schneider Electric's worldwide service organization provides 24/7 technical support, field service, and spare parts availability to minimize downtime and maintain system performance.
Migration paths and upgrade services are available for aging I/A Series installations, providing a bridge to modern DCS technologies while preserving existing investments.
I/A Series Compatibility: Compatible with all I/A Series Field Control Modules (FCM) and Field Control Processors (FCP)
Software Requirements: Requires I/A Series configuration software version 7.0 or higher
Power Requirements: Standard I/A Series power supply (24V DC nominal)
Environmental: Designed for industrial environments meeting Class G3 specifications
Certifications: UL, CSA, CE marking for global compliance
Control System: Compatible with any control system providing 4-20mA analog output
Pneumatic Supply: Clean, dry instrument air at 1.4-7 bar (20-100 psi)
Valve Compatibility: Suitable for single-acting pneumatic actuators
Environmental: IP65 enclosure rating for outdoor installations
Certifications: ATEX, IECEx available for hazardous area applications
High-density input capability reduces system costs through fewer modules required, simplified wiring, and reduced panel space requirements while maintaining excellent reliability.
Precise valve control improves process efficiency, reduces energy consumption, and minimizes product waste, providing rapid return on investment through operational savings.
Both components feature robust design and comprehensive diagnostics that minimize unplanned downtime and reduce maintenance costs over the system lifecycle.
Group isolation in FBM217 and fail-safe operation in SRI986 improve overall system safety, potentially reducing insurance costs and regulatory compliance expenses.
While both components represent mature, proven technology, Schneider Electric provides clear migration paths for customers looking to modernize their control systems:
Migration Strategy: Schneider Electric offers comprehensive migration services from I/A Series to modern DCS platforms like EcoStruxure Foxboro DCS, providing a smooth transition path that preserves existing field wiring and operational knowledge while adding modern capabilities such as advanced analytics, cybersecurity features, and cloud connectivity.
The FOXBORO FBM217 RH916XZ and SRI986-BIDS7ZZZNA represent proven solutions for reliable process control and monitoring. Whether you're maintaining existing I/A Series installations or planning system upgrades, these components provide the reliability and performance your operations demand. Contact Schneider Electric's process automation specialists to discuss how these components can optimize your specific applications.
Contact FOXBORO SpecialistsThe FOXBORO FBM217 RH916XZ Discrete Input Interface Module and SRI986-BIDS7ZZZNA Electro-Pneumatic Positioner represent decades of industrial automation expertise, providing reliable, accurate, and safe operation in demanding process environments. Their proven track record in critical applications worldwide makes them excellent choices for both new installations and replacement applications in existing I/A Series systems.
Key advantages of these components include:
Proven Reliability: Decades of successful operation in industrial environments worldwide
Comprehensive Support: Full lifecycle support from Schneider Electric's global service network
Cost-Effective Operation: Low maintenance requirements and high reliability reduce total cost of ownership
Future Compatibility: Clear migration paths to modern control systems when upgrades are needed
Safety Focus: Designed with safety-critical applications in mind, meeting stringent industrial standards
For organizations operating FOXBORO I/A Series systems, these components continue to provide excellent value through their combination of reliability, performance, and comprehensive support availability.
±0.5% accuracy ensures precise valve positioning for optimal process control and improved product quality.
Designed for harsh industrial environments with IP65 protection and extended temperature range operation.
Standard mounting interfaces and M20x1.5 cable entry simplify installation and reduce commissioning time.
±0.2% repeatability ensures consistent valve positioning over time, reducing process variability.
The FBM217 integrates seamlessly into FOXBORO's I/A Series distributed control system architecture:
Fieldbus Communication: Connects to Field Control Modules (FCM) or Field Control Processors (FCP) via redundant 2 Mbps Fieldbus
Redundancy Support: Can operate in single or redundant configurations for enhanced system availability
Hot Swappable: Module replacement without system shutdown in redundant configurations
Diagnostic Capabilities: Comprehensive diagnostics for preventive maintenance and troubleshooting
Configuration Flexibility: Software-configurable parameters including input filtering and fail-safe settings
The SRI986 positioner provides precise valve control in process automation systems:
Analog Control: Accepts 4-20mA signals from DCS controllers, PLCs, or other control systems
Pneumatic Output: Converts electrical signals to proportional pneumatic pressure for valve actuation
Feedback Options: Can be equipped with position feedback for closed-loop control applications
Fail-Safe Operation: Spring return action provides fail-safe valve positioning on signal or air loss
Wide Compatibility: Compatible with various valve types and actuator configurations
Both FOXBORO components serve critical roles across diverse industrial sectors where reliable process control and monitoring are essential:
FBM217: Monitoring pump status, valve positions, and safety system inputs in refineries and petrochemical plants.
SRI986: Controlling flow rates, pressure regulation, and emergency shutdown valves in critical process applications.
FBM217: Acquiring digital signals from reactors, mixers, and batch control systems with enhanced safety isolation.
SRI986: Precise control of chemical feed rates, temperature control valves, and process isolation valves.
FBM217: Monitoring turbine status, generator protection systems, and auxiliary equipment in power plants.
SRI986: Controlling steam valves, fuel gas regulation, and cooling water flow control systems.
FBM217: Clean room monitoring, batch process control, and equipment status indication with validated performance.
SRI986: Sterile process valve control, cleaning system automation, and precise dosing applications.
FBM217: Monitoring filter status, pump operations, and alarm conditions in water and wastewater treatment facilities.
SRI986: Chemical dosing control, flow regulation, and backwash valve automation in treatment processes.
FBM217: Production line monitoring, safety system inputs, and quality control equipment interface.
SRI986: Ingredient flow control, CIP system valves, and process isolation in food processing applications.
Mounting: Install in standard I/A Series card cage with proper ventilation and cable management
Wiring: Use shielded cables for field connections to minimize electromagnetic interference
Grounding: Ensure proper system grounding to maintain isolation effectiveness
Configuration: Set input filtering and fail-safe parameters appropriate for the application
Testing: Verify all input channels and communication before system commissioning
Documentation: Maintain accurate wiring diagrams and configuration records
Mounting: Secure mounting to valve actuator with proper alignment and mechanical connections
Pneumatic Connections: Use quality fittings and tubing, check for leaks after installation
Signal Wiring: Route 4-20mA signal cables separately from power cables to prevent interference
Calibration: Perform zero and span calibration according to valve travel requirements
Air Supply: Ensure clean, dry instrument air supply within specified pressure range
Environmental Protection: Verify IP65 sealing and cable gland integrity
Integration Tip: When using both components together in a FOXBORO I/A Series system, the FBM217 can monitor valve position feedback switches while the SRI986 provides precise analog position control, creating a comprehensive valve control and monitoring solution.
Regular diagnostic monitoring through I/A Series software
Periodic input channel verification and calibration checks
Visual inspection of connections and LED status indicators
Spare module availability for critical applications
Regular calibration verification and adjustment if needed
Air supply quality monitoring and filter replacement
Mechanical inspection of linkages and mounting hardware
Signal accuracy verification and troubleshooting procedures
Use I/A Series diagnostic tools for comprehensive system health monitoring
Monitor communication status and field device health
Trend analysis for predictive maintenance planning
Alarm management and root cause analysis capabilities
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