Overview
The Honeywell FS-TSDO-04UNI, also cataloged as the TSDO-04UNI, is a safe digital output field termination assembly (FTA) for interfacing compatible Safety Manager or FSC output modules with external field circuits. It provides four output channels, screw-terminal field wiring, and connections for compatible SDO-04x and SDOL-04x output modules. The supplied specifications list a maximum continuous current of 4 A per channel and support for DC field circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FS-TSDO-04UNI |
| Spare Model | TSDO-04UNI |
| Brand | Honeywell |
| Product Type | Safe Digital Output Field Termination Assembly |
| Origin | USA |
| Place of Shipment | Xiamen, China |
| Weight | 0.05 kg |
| Dimensions | 7 x 6 x 5.5 cm |
| Number of Channels | 4 |
| Field Circuit Voltage | 24 VDC, 48 VDC, and 110 VDC stated in supplied description; verify compatibility against the manufacturer’s documentation |
| Maximum Voltage | 36 VDC per supplied IEC 1010 (1990) specification; conflicts with the stated 48 VDC and 110 VDC support and requires verification |
| Maximum Continuous Current per Channel | 4 A, as listed in supplied specifications |
| Compatible Output Modules | SDO-04x and SDOL-04x |
| System Interconnection | SICC-0001/Lx cable, as specified in supplied description |
| Field Termination | Screw terminals |
| Maximum Wire Cross-Section | 2.5 mm2 (AWG 14) |
| Wire Strip Length | 7 mm (0.28 in) |
| Tariff Code | 8537101190 |
| Approvals | CE, UL, TUV, CSA (as supplied) |
DC Output Circuit Compatibility and Signal Distribution
The FS-TSDO-04UNI provides field wiring termination for digital output circuits controlled by compatible safety output modules. The supplied description identifies support for redundant output-module connections through an SICC-0001/Lx interconnection cable. The actual redundancy configuration, channel current limits, and permissible field voltage depend on the approved module and FTA combination.
The stated 36 VDC maximum conflicts with the listed 48 VDC and 110 VDC field circuit ratings. Confirm the applicable hardware revision and manufacturer’s electrical specifications before connecting higher-voltage DC circuits. Do not treat the listed 4 A channel rating as confirmation that every supported voltage and output-module combination permits 4 A operation.
Frequently Asked Questions (FAQ)
Q: Which output modules are listed as compatible with the FS-TSDO-04UNI?
A: The supplied product description lists SDO-04x and SDOL-04x output modules. Verify the exact module variant and interconnection cable against the applicable Honeywell documentation.
Q: What is the maximum continuous current per channel?
A: The supplied specifications state 4 A per channel. Confirm the permitted current for the selected output module, field voltage, wiring, and FTA configuration before commissioning.
Q: Can the assembly be used with 48 VDC or 110 VDC field circuits?
A: The product description lists 24 VDC, 48 VDC, and 110 VDC support, while the technical specifications state a maximum voltage of 36 VDC. This discrepancy must be resolved using the manufacturer’s documentation before applying field power.
Field Installation Guidelines
- Verify the FTA model, hardware revision, and compatibility with the selected SDO-04x or SDOL-04x output module.
- Confirm the permitted field voltage and channel current from the manufacturer’s documentation before wiring.
- Mount the assembly using the approved cabinet arrangement and mounting hardware. Confirm DIN-rail compatibility rather than assuming it from the product description.
- Use conductors with a maximum cross-section of 2.5 mm2 and strip approximately 7 mm of insulation, subject to the terminal manufacturer’s requirements.
- Tighten screw terminals to the specified torque in the applicable installation manual.
- Route field wiring separately from high-noise power conductors where practicable. Follow the cabinet grounding and cable-shielding requirements for the installed system.
- For redundant configurations, verify the approved interconnection cable, channel allocation, and output-module arrangement before energizing the circuit.
- Perform continuity, polarity, and functional checks in accordance with the approved safety-system commissioning procedure.
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