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Honeywell FC-SAI-1620M Safety Analog Input Module

Honeywell FC-SAI-1620M Safety Analog Input Module

Technical Overview

The FC-SAI-1620M is a high-integrity analog input module for the Honeywell Safety Manager (SMS) system. With 16 input channels, it processes critical sensor data from field instruments such as pressure transmitters, flow meters, and level sensors.

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SKU: FC-SAI-1620m
Vendor: Honeywell
Category: Analog Input Module
Related Series:

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Technical Overview

The FC-SAI-1620M is a high-integrity analog input module for the Honeywell Safety Manager (SMS) system. With 16 input channels, it processes critical sensor data from field instruments such as pressure transmitters, flow meters, and level sensors.

Designed for SIL 2 and SIL 3 applications, the module features fault-tolerant circuitry and extensive internal diagnostics to ensure signal accuracy and system reliability.

Technical Specifications

Specification Details
Model Number FC-SAI-1620M
Component Type Safety Analog Input Module
Channel Density 16 Input Channels
Signal Type 4–20 mA analog signals
Module Architecture 1-out-of-2 (1oo2) internal voting with advanced diagnostics
Conversion Resolution High-precision A/D conversion for safety-critical loops
Physical Dimensions 12.7 × 12.7 × 12.7 cm
Net Weight 0.8 kg
Environmental Rating Industrial coating for corrosion protection
System Compatibility Honeywell Safety Manager / SMS

Operational Safety and Diagnostics

The FC-SAI-1620M continuously monitors for hardware faults and field wiring issues (open/short circuits). Self-tests on conversion circuits and reference voltages detect discrepancies, which are reported to the Safety Manager controller for controlled response or fail-safe shutdown.

The “M” designation indicates a specific hardware revision with conformal coating suitable for demanding industrial environments.

Frequently Asked Questions

Q: Does the FC-SAI-1620M support HART communication?
A: No, it is optimized for high-speed safety analog inputs. HART diagnostics require Honeywell field termination assemblies or specialized HART multiplexers.

Q: Can the FC-SAI-1620M be hot-swapped?
A: Yes, in a redundant Safety Manager configuration, it can be replaced while the system is energized if the redundant partner module is healthy.