Honeywell TC-OAH061 6-Channel HART Module

Product Overview

The TC-OAH061 serves as a high-precision analog output solution within the Honeywell Experion PKS ecosystem. This module features 6 isolated points, providing reliable signal transmission for field actuators, valves, and positioners. Designed for mission-critical automation, the TC-OAH061 supports both passive and active sourcing signal types, ensuring versatile connectivity across various industrial applications. Its robust hardware architecture guarantees long-term calibration stability and maintains a weight of 0.35 Kg for easy chassis integration.

Technical Configuration

Core Technology Advantages

The TC-OAH061 leverages advanced signal processing to deliver superior linearity and accuracy. By isolating each of the 6 points, the module prevents ground loops and cross-channel interference, which are common in dense industrial environments.

This module features full HART protocol compatibility, allowing engineers to perform remote diagnostics and secondary variable mapping directly through the analog loop. Each unit undergoes rigorous isolation testing at 2546 V DC to ensure maximum protection for the controller backplane and connected field equipment.

Technical Specifications

Installation Guide

Terminal Connectivity

Utilize the TC-TBNH 20-position screw terminal block for all field wiring. We recommend using high-quality twisted pair cabling to minimize electromagnetic interference and ensure the integrity of HART communication signals.

Mounting Procedure

Secure the module onto a standard 35 mm DIN rail. Ensure the input voltage remains within the 24 VDC nominal range. Proper spacing between modules is recommended to maintain the specified operating temperature range of -20°C to 60°C.

Engineering Advantages

The TC-OAH061 is engineered for longevity in demanding process plants. Its calibration stability of ±0.1% over the entire temperature range reduces the need for frequent field adjustments. As a CE and RoHS compliant component, it meets international standards for safety and environmental sustainability, ensuring seamless integration into global industrial projects.

Technical FAQs

Q1: Does the module support both sourcing and sinking actuators?
A1: The module supports Passive and Active (sourcing) signal types, making it compatible with a wide variety of field device powering configurations.

Q2: Can I access HART data through this module?
A2: Yes, the module is fully HART compatible, enabling digital communication with smart field devices for calibration and asset management.

Q3: What is the benefit of the 2546 V DC isolation test?
A3: This high-level isolation ensures that the internal logic circuitry is protected from high-voltage transients on the field side, significantly increasing system reliability.