Overview
The Honeywell MU-TSTX13 is a Smart Transmitter Interface (STI) Field Termination Assembly (FTA) designed for redundant configurations with 16 input points. It provides individual protected current-limiting circuits for Class I, Division 2 interfacing. The specified maximum current is 30 mA, while the minimum voltage is 23 V. Therefore, check these limits against the connected field instruments and the intended system configuration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | MU-TSTX13 |
| Brand | Honeywell |
| Product Type | Smart Transmitter Interface Field Termination Assembly (FTA) |
| Input Points | 16 |
| Configuration | Redundant IOP interface |
| Terminal Type | Compression terminals |
| Current-Limiting Protection | Individual protected current-limiting circuits |
| Maximum Current | 30 mA |
| Minimum Voltage | 23 V |
| Hazardous Area Interface | Class I, Division 2 |
| CE Marking | Specified in the supplied data |
| Environmental Protection | Conformal coating reported in the supplied data |
| Dimensions | 12 x 17.8 x 26.5 cm |
| Weight | 0.86 lb (approximately 0.39 kg) |
Redundant Interface and Field Wiring
The MU-TSTX13 provides termination for 16 input channels and supports a redundant I/O processor (IOP) interface. Its compression terminals connect field wiring to the assembly. In addition, the individual current-limiting circuits provide the specified protection for Class I, Division 2 interfacing.
The FTA forms part of the signal path between field wiring and the associated control-system interface. However, the complete configuration also depends on the connected hardware and system requirements. Before replacing an existing assembly, verify the processor interface, cabling and required channel arrangement.
Frequently Asked Questions
Q: How many input points does the MU-TSTX13 support?
A: The MU-TSTX13 supports 16 input points. However, confirm the required channel arrangement and associated hardware before ordering a replacement.
Q: Does the MU-TSTX13 support redundant operation?
A: Yes. The product is identified as an FTA for a redundant IOP interface. The complete system must also support the required redundant configuration.
Q: What electrical limits should engineers check before connecting field instruments?
A: Check the maximum current of 30 mA and the minimum voltage of 23 V against the field instrument requirements. Also, verify the applicable hazardous-area requirements and the complete interface configuration before installation.
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