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Description
Safe Analog Input FTA FS-TSAI-1620M HoneywellHoneywell FS TSAI 1620M Safe Analog Input FTA Overview The Honeywell FS TSAI 1620M Field Termination Assembly connects field transmitters to the SAI 1620M input module for reliable signal conditioning. It accepts standard 0(4) 20 mA loops while monitoring transmitter power and isolating faults from the control system. Primary functions and typical applications The assembly supplies transmitter power, limits loop current, and reports power faults to
Honeywell FS-TSAI-1620M Safe Analog Input FTA Overview
The Honeywell FS-TSAI-1620M Field Termination Assembly connects field transmitters to the SAI-1620M input module for reliable signal conditioning.
It accepts standard 0(4)-20 mA loops while monitoring transmitter power and isolating faults from the control system.
Primary functions and typical applications
The assembly supplies transmitter power, limits loop current, and reports power faults to the Safety Manager controller in real time.
Engineers deploy the FS-TSAI-1620M in safety-critical process measurements and conventional control cabinets on DIN rails.
Technical specifications
| Parameter | Specification |
|---|---|
| Manufacturer / Series | Honeywell Safety Manager field termination assemblies designed for safety-rated analog inputs. |
| Model | FS-TSAI-1620M — Field Termination Assembly for SAI-1620M converter modules. |
| Channels | 16 analog input channels arranged as two protected groups of eight channels each. |
| Input signal range | Standard 0(4)-20 mA loop inputs for passive and active transmitters with robust loop diagnostics. |
| Input resistance | 250 Ω ±1% per channel to provide accurate current-to-voltage conversion for the SAI-1620M. |
| Transmitter supply | Series resistor feed with nominal output resistance near 270 Ω ±5% to support common transmitters. |
| Igniting current | Maximum igniting current below 120 mA per channel at 30 VDC for passive transmitter drive capability. |
| Power requirements | External 24–30 VDC redundant supply inputs; typical quiescent current approximately 3 mA without loop loads. |
| Fusing | Two group fuses protect channel groups; recommended fuse rating 315 mA slow blow per group. |
| To SAI interface | The FTA outputs 0–4 VDC analog signals into the SAI-1620M converters with better than 0.1% linearity. |
| Termination | 64 screw terminals, four conductors per channel, with individual shield and ground points for noise control. |
| DIN rail mounting | Snap-in fit for TS32 / TS35 × 7.5 DIN rails; typical installed rail length impact considered in cabinet layouts. |
| Dimensions (L×W×H) | 210 × 70 × 60 mm (8.26 × 2.76 × 2.36 inches) for compact cabinet integration. |
| Termination wiring | Accepts up to 2.5 mm² (AWG 14) conductors; recommended strip length 7 mm and terminal torque 0.5 Nm. |
| Environmental and classification | Designed for standard industrial ambient ranges and supports non-incendiary Class I, Division 2 field circuits. |
Design details and diagnostics
The assembly divides channels into two protected groups to prevent a single wiring fault from compromising multiple channels.
Each channel includes a shielded ground terminal and clear screw termination points for easier commissioning and maintenance.
Why select the FS-TSAI-1620M
- The assembly converts and conditions 0(4)-20 mA loops with high accuracy and robust loop supervision for safety systems.
- It supplies and monitors transmitter power while limiting loop currents to maintain certified safety integrity.
- It installs quickly on DIN rails and integrates cleanly with Honeywell Safety Manager hardware for streamlined engineering.
FAQ
Is this product brand new and original?
Yes, we supply brand-new, original Honeywell FS-TSAI-1620M modules with verified manufacturer part numbers and packaging.
Do you have stock and what shipping methods do you use?
We maintain stock and ship using major international carriers, including DHL and other commonly used logistics partners.
What is your returns policy?
We accept returns within thirty days for unused modules that remain in resalable condition and include original documentation.
What loop types and hazardous locations does it support?
The FTA supports 0(4)-20 mA loops and is suitable for non-incendiary Class I, Division 2 field circuits when installed per guidelines.
Does the module include internal battery backup or energy storage?
The assembly does not include internal battery backup; designers should plan redundant external power supplies for continuous loop availability.
What physical mounting and wiring practices do you recommend?
Mount the module on TS32 or TS35 × 7.5 DIN rails, use shielded signal wiring, and torque terminals to 0.5 Nm for reliable connections.
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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