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Honeywell 51304084-125 MU-TPIX12 Pulse Input Field Termination Assembly

The Honeywell 51304084-125, also cataloged as the MU-TPIX12 Pulse Input Field Termination Assembly, operates as a dedicated hardware component for pulse signal termination and conditioning within Honeywell TDC 3000 DCS platforms.

Hardware Specifications

Parameter	Specification
Model	MU-TPIX12
Part Number	51304084-125
Brand	Honeywell
Product Type	Pulse Input Field Termination Assembly (FTA)
System Compatibility	Honeywell TDC 3000 DCS
Signal Function	Pulse input field signal termination and conditioning
Input Channels	8 pulse input channels
Input Signal Type	Rectangular wave and sine wave pulse signals
Input Voltage Range	5 VDC to 24 VDC
Maximum Input Frequency	Up to 50 kHz
Isolation Voltage	1,000 VDC
Redundancy Support	Not supported
Mounting Type	FTA mounting assembly
Connection Type	Compression terminal connection
Conformal Coating	Not applied
Operating Temp	-20 deg C to 60 deg C
Humidity Range	10 % to 90 % RH, non-condensing
Dimensions	2.8 cm x 37.8 cm x 27.8 cm
Weight	Approximately 0.62 kg
Power Consumption	Passive termination assembly, no independent power supply
Origin	USA
Certification	CE version

Process Signal Interface and DCS Connectivity

The MU-TPIX12 provides direct termination between field pulse transmitters and Honeywell pulse input I/O processors. It accepts high-level pulse signals generated by flow meters, frequency transmitters, speed sensors, and counting devices.

The assembly routes field wiring through dedicated terminal points and conditions pulse signals before the signals enter the control processor. In addition, it supports both rectangular and sine-wave pulse inputs for measurement applications requiring frequency or counting data acquisition.

For Honeywell process control installations, the module operates as a field interface component rather than an independent controller. Therefore, the pulse processing function remains within the associated Honeywell I/O processor, such as the MU-PPIX02.

Frequently Asked Questions

Q: What pulse signals can the Honeywell 51304084-125 MU-TPIX12 process?
A: The MU-TPIX12 processes high-level pulse signals, including rectangular wave and sine-wave pulse inputs from compatible field instruments.

Q: How many field pulse inputs are available on the MU-TPIX12?
A: The assembly provides 8 pulse input channels for connection between field devices and Honeywell pulse input I/O processors.

Q: Does the MU-TPIX12 provide electrical isolation or independent signal processing?
A: The assembly provides field termination and signal conditioning functions. It does not operate as an independent processor or provide redundant control logic.

Field Installation Guidelines

• Install the MU-TPIX12 in the designated Honeywell control cabinet or approved field termination enclosure.
• Verify pulse signal voltage levels before connecting field devices.
• Use shielded instrumentation cables when pulse signals operate in high electromagnetic interference environments.
• Connect cable shields according to the site grounding design to reduce electrical noise coupling.
• Maintain correct polarity for DC pulse input wiring.
• Separate pulse signal wiring from high-voltage power cables to reduce interference.
• Confirm terminal assignments against the Honeywell system wiring documentation before commissioning.

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