Description

The Honeywell MU-TAIH12 (Part Number: 51304337-100) is a high-level analog input and STI redundant field termination assembly (FTA) designed for the HC900 control platform. This module provides 16 channels of process signal acquisition, specifically engineered for safety and critical control applications in demanding industrial environments such as power plants, oil refineries, and chemical processing facilities. It ensures continuous signal integrity and deterministic performance, supporting redundant architectures to maintain system availability during module replacement or failover events.

Features

• 16-channel high-level analog input capacity.
• STI redundant field termination assembly design.
• Passive signal conditioning to preserve full field instrument resolution.
• Deterministic scan cycle performance with no missed or delayed cycles during redundancy transitions.
• 145 ohm non-fused current limiting resistor network.
• Class 1 Division 2 compliant interfacing.

Applications

The MU-TAIH12 is utilized in large-scale distributed control systems (DCS) where high availability and signal stability are paramount. It is ideal for monitoring critical process variables in environments where downtime must be minimized and signal fidelity is required for accurate control and safety logic execution.

Technical Specifications

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the FTA module to prevent electrical damage.
• Handle the module using proper ESD (Electrostatic Discharge) mitigation practices to protect sensitive internal components.
• Mount the assembly securely in the designated cabinet space, ensuring proper alignment with the HC900 rack backplane.
• Use shielded cabling for all analog input signals to minimize interference from high-EMI sources within the industrial environment.
• Verify that all field wiring is terminated according to the specific channel mapping and that the 145 ohm current limiting configuration meets your loop requirements.
• Ensure adequate ventilation in the control cabinet to maintain operating temperatures within the specified range for the HC900 series.

FAQ

Does the MU-TAIH12 support hot-swapping?

Yes, the module is designed to support redundant architectures where signal acquisition is maintained during module replacement or failover without missing or delaying input scan cycles.

Is this module fused?

No, the MU-TAIH12 features a 145 ohm non-fused current limiting resistor network designed for specific interface requirements.