Honeywell MU-TAMR02 51301376 Low-Level Analog Input Module

Product Overview

The Honeywell MU-TAMR02 (51301376) is a precision low-signal analog input module engineered for Honeywell distributed control systems. It is specifically developed to process very small electrical signals with high stability and repeatability, making it suitable for temperature sensing and other low-energy measurement tasks.

This module conditions, multiplexes, and digitizes weak field signals such as RTDs or low-amplitude voltages, delivering reliable data to the control processor in demanding industrial environments. Its design prioritizes signal integrity, long-term accuracy, and compatibility with Honeywell legacy and transitional DCS architectures.

Functional Characteristics

The MU-TAMR02 (51301376) operates as a low-level signal acquisition interface within Honeywell control systems. It combines signal multiplexing and analog-to-digital conversion in a compact hardware format, reducing system complexity while maintaining measurement fidelity.

Key functional attributes include stable handling of low-energy sensor outputs, consistent performance under continuous operation, and robust electrical isolation appropriate for process environments where noise immunity is critical.

Technical Specifications

Input and Measurement Performance

• Supported Signal Types: Low-level voltage inputs and RTD temperature sensors

• Configurable Input Ranges:

• Low-voltage analog signals (typical millivolt-level ranges depending on system configuration)

• RTD resistance measurement via controller-defined scaling

• Number of Channels: 2 multiplexed inputs

• Conversion Resolution: 12-bit analog-to-digital conversion

• Measurement Accuracy: ±0.5% of full scale (typical)

• Sampling Frequency: Up to 100 samples per second

Electrical Requirements

• Operating Supply Voltage: 24 VDC

• Current Consumption: Approximately 110 mA

• Designed for continuous duty in control cabinets and system enclosures

Mechanical and Environmental Data

• Dimensions: Approx. 96 × 96 × 76 mm

• Weight: 0.5 kg

• Mounting: System rack or chassis installation per Honeywell DCS standards

Typical Applications

The MU-TAMR02 (51301376) is commonly deployed in applications requiring precise measurement of weak analog signals, including:

• RTD-based temperature monitoring in process units

• Low-voltage sensor acquisition in chemical and energy facilities

• Signal conditioning for legacy Honeywell TDC and TPS system expansions

• Control loops where signal stability and repeatability are critical

Frequently Asked Questions

Q: Is this module suitable for thermocouple inputs?
A: No. The MU-TAMR02 is intended for low-level voltage and RTD signals. Thermocouples typically require dedicated cold-junction compensation modules.

Q: Can this module be used in modern Experion systems?
A: It is primarily designed for Honeywell legacy and transitional DCS platforms. Compatibility depends on the specific system architecture and I/O rack configuration.

Q: Does the module perform signal scaling internally?
A: Signal conditioning and digitization are handled at the module level, while engineering scaling is typically configured in the controller or system software.