Overview
The Honeywell FS-TSGAS-1624, also cataloged as the TSGAS-1624 Field Termination Assembly (FTA), provides electrical termination for gas and flame detector input circuits associated with Honeywell Safety Manager systems. It supports 16 input channels with a specified input current range of 0-25 mA and interfaces with compatible safety analog input hardware. The supplied specifications list a 500 ohm input resistance and a 0-4 VDC output range.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FS-TSGAS-1624 |
| Spare Model | TSGAS-1624 |
| Brand | Honeywell |
| Product Type | Safe Gas and Flame Detector Input Field Termination Assembly |
| System | Safety Manager |
| Origin | USA |
| Weight | 0.35 kg |
| Dimensions | 22.5 x 7 x 5.8 cm |
| Power Consumption | 24 VDC external supply, 3 mA |
| Number of Input Channels | 16 |
| Input Current | 0-25 mA |
| Input Resistance | 500 ohm, +/- 5% |
| Output Voltage | 0-4 VDC |
| Accuracy | 0.1% |
| Fuse Rating | 500 mA |
| AC Voltage Rating | 250 V |
| DC Voltage Rating | 300 V |
| Approvals | CE, TUV, UL, CSA, FM |
| Tariff Code | 8537101190 |
Analog Input Signal Interface
The FS-TSGAS-1624 is specified for gas and flame detector input circuits and is described as an interface for the Honeywell SAI-1620m safe analog input module. The supplied data lists a 0-25 mA input range and a 500 ohm input resistance. Confirm the applicable wiring diagram and channel configuration before connecting field instruments.
Although 4-20 mA operation and HART communication were included in the supplied description, the available specifications do not independently confirm HART support, channel-to-channel isolation, or the exact supported detector types. Verify these functions against the manufacturer’s documentation for the installed hardware revision.
Frequently Asked Questions (FAQ)
Q: How many input channels does the FS-TSGAS-1624 support?
A: The supplied specifications list 16 input channels. Confirm the channel allocation and terminal assignments in the applicable wiring documentation.
Q: What input current and resistance values are specified?
A: The listed input current range is 0-25 mA, with an input resistance of 500 ohm +/- 5%.
Q: Can the FS-TSGAS-1624 be connected directly to any gas or flame detector?
A: Compatibility depends on the detector’s output signal, wiring requirements, and the supported configuration of the associated safety input module. Verify these details before connecting field devices.
Field Installation Guidelines
- Verify the full model number and hardware revision against the system bill of materials.
- Confirm compatibility with the associated SAI-1620m input module before installation.
- Check terminal assignments, signal polarity, and the required external 24 VDC supply against the manufacturer’s wiring documentation.
- Route analog signal cables separately from high-voltage and high-current conductors where practical.
- Apply cable shielding and grounding according to the system grounding design and the detector manufacturer’s instructions.
- Check field wiring for short circuits, open circuits, and incorrect polarity before energizing the assembly.
- Verify channel operation and input readings during commissioning using approved test procedures.
- Do not assume hot-swap capability, intrinsic safety certification, or channel isolation without confirmation in the official hardware documentation.
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