Description
Product Overview
The SRI986-BIDS7EBBNA is a premium safety instrumented system (SIS) input module crafted by Foxboro, a pioneering brand in industrial safety automation. Fully compliant with IEC 61508 SIL 3—the highest safety integrity level for critical applications—it is engineered to monitor and process safety-critical analog signals in high-risk industries such as oil and gas, petrochemical, and power generation. The SRI986-BIDS7EBBNA integrates enhanced signal isolation, redundant hardware, and advanced diagnostic functions, ensuring accurate detection of process variables (e.g., pressure, temperature, flow) while mitigating false alarms and system failures. As a core component compatible with HIMA’s HIMax and HIMatrix SIS platforms, the SRI986-BIDS7EBBNA enables seamless integration into existing safety architectures. Its robust design withstands harsh industrial conditions, including electrical interference and temperature fluctuations, making it indispensable for protecting emergency shutdown systems (ESDs), fire and gas networks, and pressure vessels.
Hainan Jinlin Mechanical & Electrical is a distributor of industrial control products, specializing in a wide range of brands. We possess extensive industry knowledge and market insights. Adhering to the “Customer First, Forge Ahead” business philosophy, we provide high-quality customer service. We’re here for you, dedicated to meeting your needs!
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | SRI986-BIDS7EBBNA |
| Manufacturer | Foxboro |
| Product Type | SIL 3 Analog Safety Input Module |
| Power Supply | 24VDC ±10% (redundant dual inputs) |
| Operating Temperature Range | -20°C to +60°C |
| Input Channels | 8 fully isolated analog channels |
| Input Signal Types | 4-20mA, 0-5V DC, 0-10V DC |
| Safety Integrity Level | IEC 61508 SIL 3 |
| Mounting Type | HIMA Standard SIS Rack Mount |
| IP Rating | IP20 (rack-mounted, protected by system enclosure) |

Key Features and Benefits
The SRI986-BIDS7EBBNA excels in safety-critical environments, leveraging technical advantages that balance uncompromising safety with operational efficiency. Its SIL 3 certification is foundational—validating compliance with global safety standards and ensuring a (extremely low) failure rate, critical for preventing catastrophic incidents in high-risk processes. The 8 fully isolated analog channels are a standout feature: each channel operates independently with galvanic isolation, eliminating cross-channel interference and ensuring precise measurement of individual process variables. This isolation is vital for distinguishing genuine hazards from electrical noise, reducing false shutdowns that cost time and resources.
Redundancy and diagnostics are integrated into the SRI986-BIDS7EBBNA’s core design. Dual redundant power inputs prevent single-point power failures, while continuous self-test circuits monitor module health, channel functionality, and signal integrity. If a fault is detected, the module immediately transmits alerts to the SIS controller and maintains partial operational capability (where safe), avoiding unnecessary production halts. This fail-safe design minimizes both safety risks and unplanned downtime— a critical balance for 24/7 industrial operations.
Ecosystem compatibility enhances usability and integration. The SRI986-BIDS7EBBNA natively interfaces with HIMA’s HIMax and HIMatrix controllers, supporting HIMA’s secure communication protocol for fast, reliable data transfer. It also works seamlessly with HIMA’s HIMaS Engineering Studio, enabling intuitive configuration of input ranges, alarm thresholds, and diagnostic parameters. This reduces setup time and human error, while remote monitoring capabilities allow maintenance teams to troubleshoot issues without physical access to the module. The module’s rugged construction, paired with its -20°C to +60°C operating range, ensures reliability in harsh settings like offshore platforms or refinery process areas.
By combining SIL 3 compliance, isolated channels, redundant design, and HIMA ecosystem integration, the SRI986-BIDS7EBBNA delivers tangible value: enhanced operational safety, reduced false alarms, simplified regulatory compliance, and lower maintenance costs.
Related Models
- SRI986-BIDS7EBBNB – Upgraded variant with HART 7 protocol support, enabling remote calibration and diagnostics of field devices.
- SRI986-BIDS4EBBNA – 4-channel compact model, optimized for space-constrained safety loops (e.g., small-scale chemical plants).
- SRI986-BIDS7EBBNC – ATEX/IECEx-certified explosion-proof version, designed for hazardous Class 1/Div 1 areas.
- SRI985-BIDS7EBBNA – Legacy SIL 2 model, compatible with older HIMA SIS platforms (e.g., HIMatrix F3).
- SRI986-BIDS7EBBND – Dual-redundant channel model, supporting 1oo2 (one-out-of-two) voting logic for ultra-critical safety loops.
- SRI986-BIDS7EBBNE – Extreme-temperature variant, operating from -40°C to +70°C for arctic or desert applications.
- SRI986-BIDS8EBBNA – 16-channel expanded model, ideal for large-scale safety systems (e.g., refineries with multiple monitoring points).

As a certified partner of industry leaders such as Bentley Nevada, Honeywell, and ABB, we provide key components for the following areas:
Typical Application Areas
- Process Industries: Emergency shutdown system (ESD) monitoring, fire and gas detection, and pressure vessel overpressure protection in petrochemical, oil and gas, and chemical plants.
- Power Generation: Boiler water level monitoring, turbine overspeed protection, and fuel system safety control in thermal and nuclear power plants.
- Infrastructure: Safety monitoring for hazardous waste treatment facilities and industrial gas storage systems.
We back the SRI986-BIDS7EBBNA with a one-year warranty covering manufacturing defects and performance issues. Our technical team offers specialized pre-sales support—including SIL compliance verification, system compatibility checks, and safety loop design guidance—and responsive after-sales service (firmware updates, troubleshooting, and on-site support). If you cannot find the exact model or need further technical details, contact us immediately.
Contact Information
- WhatsApp: [https://wa.me/+86 19389860630](https://wa.me/+86 19389860630)
- Email: jllucky33@qq.com


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