Overview
The Honeywell FC-TSAI-1620M is a 16-channel fail-safe analog input module designed to receive 4-20 mA signals from field instruments in industrial control applications. It interfaces analog field signals with the control system through a Field Termination Assembly (FTA). The module supports external 30 V DC power and has a specified input resistance of 250 ohms. Its channel configuration supports analog signal acquisition for process monitoring and control. Verify hardware compatibility and safety-system requirements against the applicable Honeywell documentation before installation or replacement.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-TSAI-1620M |
| Spare Model | TSAI-1620M |
| Manufacturer | Honeywell |
| Product Type | Analog Input Modules |
| Module Type | Fail-Safe Analog Input |
| Input Signal | 4-20 mA |
| Number of Input Channels | 16 |
| External Power Requirement | 30 V DC |
| Input Current Range | 0-25 mA |
| Input Resistance | 250 ohms (±1%) |
| Output Resistance | 270 ohms (±5%) |
| Output Voltage | 0-4 V DC |
| Accuracy | 0.10% |
| Igniting Current per Channel | Less than 120 mA at 30 V DC |
| Fuse Rating | 315 mA |
| AC Voltage Rating | 125 V |
| Maximum Output Current per Fuse | 220 mA |
| Country of Origin | USA |
| Estimated Shipping Dimensions | 21 x 7 x 5.8 cm |
| Weight | 0.3 kg |
| HS Code | 8537101190 |
Analog Signal Interface
The FC-TSAI-1620M handles analog current signals from field transmitters through a 16-channel input arrangement. Its specified 4-20 mA signal range supports common process measurement applications, while the listed 0-25 mA input current range defines a broader electrical input range. Confirm the applicable scaling, channel configuration, and diagnostic behavior using the manufacturer’s technical documentation.
Power and Protection
The module requires an external 30 V DC supply. Its listed electrical protection parameters include a 315 mA fuse rating and a maximum output current of 220 mA per fuse. Check the approved wiring arrangement, fuse specifications, grounding requirements, and power supply limits before commissioning.
Frequently Asked Questions
What is the function of the Honeywell FC-TSAI-1620M?
It is a 16-channel fail-safe analog input module specified for 4-20 mA field signals. It supports the acquisition of analog process measurements for an industrial control system.
How many input channels does the FC-TSAI-1620M provide?
The module provides 16 input channels. Confirm channel wiring and signal configuration against the applicable system documentation.
What power supply does this module require?
The supplied product specifications list an external 30 V DC power requirement. Verify the exact supply and installation requirements before connecting the module.
Field Installation Guidelines
- Confirm the complete model number and hardware revision before installation.
- Verify compatibility with the existing Honeywell control system, FTA, and associated hardware.
- Check the field transmitter signal range and wiring polarity against the manufacturer’s documentation.
- Confirm the external DC power supply and fuse requirements before energizing the assembly.
- Follow the applicable site procedures for fail-safe system installation, testing, and commissioning.
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