Introduction to HONEYWELL SAI-1620M
SAI-1620M Product Introduction
The HONEYWELL SAI-1620M is a high-reliability safety analog input module, specifically designed for industrial safety instrumented systems (SIS) and process control applications. As a core component in fail-safe control systems, it specializes in collecting analog signals (such as pressure, temperature, and flow) from field sensors and converting them into stable digital signals that can be processed by Honeywell safety controllers. Equipped with 16 independent configurable input channels, this module enables simultaneous monitoring of multiple critical process parameters, meeting the complex safety monitoring needs of industrial scenarios. It features built-in fault self-diagnostic function, which can promptly detect channel abnormalities and ensure the system operates reliably. With excellent anti-interference performance and electrical isolation technology, it effectively resists electromagnetic interference and maintains stable signal transmission in harsh industrial environments. The module seamlessly integrates with Honeywell safety control systems, facilitating easy installation and system expansion.

SAI-1620M Technical Parameters
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Product Model: SAI-1620M
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Product Type: Safety Analog Input Module (Honeywell Fail-Safe Series)
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Core Functions: 16-channel analog signal acquisition; Signal conversion and linearization; Real-time fault self-diagnosis; High anti-interference processing; Fail-safe protection for SIS
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Connection Specifications: Compatible with Honeywell safety controllers; Standard industrial terminal connections; Support for industrial communication protocols
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Electrical Specifications: Power Supply: 24VDC redundant power supply; Input Signal Types: Configurable 4-20mA, 0-10V, RTD, TC; Accuracy: ±0.1% FS; Resolution: ≥16-bit; Isolation: 1500V AC channel-to-channel isolation; Certifications: TÜV, IEC 61508 (SIL3), ISA 84.01 compliant
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Environmental Ratings: Operating Temperature: -40°C to 70°C; Storage Temperature: -40°C to 85°C; Relative Humidity: 5% – 95% (non-condensing); Vibration/Shock Resistance: Complies with IEC 61508 standard
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Mechanical Details: Housing Material: Industrial-grade high-strength metal; Dimensions: Standard 3U Eurocard module; Weight: Approximately 0.8kg; Installation: DIN rail mounting
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System Compatibility: Fully compatible with Honeywell safety instrumented systems (SIS); Suitable for petrochemical, power generation, metallurgical industry SIS setups
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