Honeywell FS‑TSAI‑1620M | Safe Analog Input Quality Selection

Overview
The Honeywell FS‑TSAI‑1620M is a high‑integrity field termination assembly designed for safety instrumented systems. It converts 0(4)‑20 mA analog signals from the field into levels suitable for a safety analog input module. It features transmitter power distribution and monitoring capabilities for critical applications.

General Information
Brand: Honeywell
Country of Origin: United States
Model Number: FS‑TSAI‑1620M
Series: Safety Manager I/O Modules
Product Type: Analog Input Field Termination Assembly
Channels: 16 analog input channels (2 groups of 8)
Application: Safety instrumented systems (SIS) requiring 16 channel analog input termination, transmitter power supply and monitoring

Power Specifications
Supply Voltage: 30 V DC external, approx. 3 mA (without loop loads)
Input Current: 0‑25 mA per channel
Input Resistance: 250 Ω (±1%)
Output (to passive transmitters): Output resistance approx. 270 Ω (±5%); ignition current <120 mA at 30 V DC
Channel Fuse Protection: 315 mA fuse per group (group of 8 channels)

Communication & Interface
Interface: Screw‑terminal field wiring connections for each channel; field transmitters connected to V+ and 0 V rails.
Signal Conversion: Field signals (0/4‑20 mA) are converted and routed to the safety analog input module. Transmitter power and external supply supervision included.
Diagnostics: External power monitoring, group fuse protection, channel status via connected system logic.

Environmental
Operating Temperature: ‑40 °C to +70 °C
Storage Temperature: ‑55 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Installation: Mounted on DIN‑rail (TS32/TS35 × 7.5) inside control or safety cabinet; suitable for field termination in hazardous area Class I Division 2 when properly configured.

Dimensions & Weight
Dimensions (L × W × H): 210 × 70 × 60 mm (approximate)
Weight: Approx. 0.43 kg

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