Introduction to Honeywell SAI-1620m | FC-SAI-1620M
FC-SAI-1620M Product Introduction
Honeywell SAI-1620m (also designated as FC-SAI-1620M) is a high-precision safety analog input module, belonging to Honeywell’s F2C safety I/O series and FC product line. It serves as a critical component in safety instrumented systems (SIS) and industrial automation control systems, specializing in converting analog signals from field sensors—such as temperature, pressure, and flow transmitters—into digital signals that can be processed by safety controllers. This module integrates 16 independent analog input channels with high-resolution signal acquisition capabilities, ensuring accurate data transmission for safety-critical applications. Equipped with triple modular redundancy (TMR) architecture and built-in fault diagnosis functions, it meets SIL3 safety integrity requirements, automatically triggering preset safety logic and issuing alarms when abnormalities are detected to ensure system reliability. Featuring rugged industrial-grade construction and IP65 protection rating, it maintains stable operation in harsh industrial environments with extreme temperatures, humidity, dust, and electromagnetic interference.

FC-SAI-1620M Technical Specifications
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Product Model: SAI-1620m | FC-SAI-1620M
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Product Type: Safety Analog Input Module (Honeywell F2C Safety I/O Series / FC Product Line)
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Core Functions: 16-channel high-precision analog signal acquisition; Analog-to-digital signal conversion; Triple modular redundancy (TMR) support; Built-in fault diagnosis and alarm; SIL3 safety integrity level compliance; Fail-safe protection mechanism; HART protocol support (optional)
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Connection & Installation: Compatible with Honeywell Fail-Safe controllers and Experion PKS systems; Redundant Profibus DP or FTE network interfaces; Standard DIN rail mounting; Clear interface identification for easy wiring; Support for online calibration and hot-swappable maintenance
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Electrical Specifications: Power Supply: 24VDC ±15%; Input Signal Type: Configurable for 4-20mA, 0-10V, RTD, TC; Input Impedance: 220Ω; Resolution: ≥16 bits; Accuracy: ±0.1% F.S.; Communication Protocols: Modbus, HART (optional); Power Consumption: Max 5W; Certifications: TÜV, IEC 61508 (SIL3), ISA 84.01, CE, UL compliant
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Environmental Ratings: Operating Temperature: -40°C to 85°C; Storage Temperature: -40°C to 85°C; Relative Humidity: 5% – 95% (non-condensing); Protection Rating: IP65; Vibration/Shock Resistance: Compliant with IEC 61508 standard
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Mechanical Details: Housing Material: Industrial-grade high-strength metal; Dimensions: 130mm × 34.5mm × 106.6mm; Weight: Approximately 0.3kg
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