Honeywell 51309142-125 MU-TSTX13 Smart Transmitter Interface FTA, Screw Terminals, Redundant, CE Compliant

Products Description

Honeywell 51309142-125 MU-TSTX13 new and original in stock

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Applications

• Smart transmitter integration — connecting HART-enabled pressure, temperature, flow, and level transmitters to the DCS for advanced diagnostics .

• Process industries — refining, petrochemicals, and power generation where high-integrity data acquisition is critical.

• High-vibration environments — screw terminals provide secure connections where compression terminals may loosen .

• Legacy TDC 3000 / TPS / Experion PKS maintenance — replacement and spare parts for existing STI installations .

FAQ

Q1: What is the Honeywell 51309142-125 (MU-TSTX13) used for?
It is a 16-channel Smart Transmitter Interface Field Termination Assembly for Honeywell TDC 3000 / TPS / Experion PKS systems. It provides field wiring termination and isolation for 4–20 mA smart transmitters, enabling HART digital communication pass-through to the DCS .

Q2: How many channels does it have?
16 input channels .

Q3: Is this FTA CE compliant and redundant?
Yes. The 51309142-125 is CE compliant and supports redundant configurations .

Q4: Is this FTA conformally coated?
No. The 51309142-125 is the uncoated variant. The conformally coated equivalent is the MC-TSTX13 .

Q5: What terminal type does it use?
Heavy-duty screw terminals, preferred for high-vibration environments and larger gauge conductors .

Q6: Does it support HART communication?
Yes. It passes HART digital signals superimposed on the 4–20 mA loop through to the host system .

Q7: What is the power supply requirement?
The module is powered via the I/O Link from the Process Manager. Field power is 24 VDC nominal .

Q8: What isolation and protection features does it provide?
Optical and galvanic isolation between field circuitry and I/O Link, plus integrated surge suppression and overcurrent protection per channel .

Q9: Is this a current or legacy product?
The TDC 3000 / TPS / Experion PKS is a legacy/mature platform. The MU-TSTX13 is primarily available as spare or refurbished stock. Confirm current availability and lifecycle status with Honeywell or an authorized distributor .

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