Product Overview

The Honeywell 8C-TAIM01 (Material Number: 51306999-175) is a high-performance Low-Level Analog Input Multiplexer Input/Output Termination Assembly (IOTA) engineered for the Honeywell Experion Process Knowledge System (PKS) and PlantCruise by Experion distributed control platforms. As a core component of the Series 8 I/O family, this module serves as the field termination interface for the 8C-PAIM01 LLMUX I/O Module, enabling seamless integration of temperature sensors and low-level analog signals into the C300 controller architecture.

The Honeywell 8C-TAIM01 is specifically designed for high-density temperature monitoring applications. It supports up to 64 fully isolated input channels, configurable in increments of 16, accepting signals from thermocouples (Types J, K, T, E, S, R, B), Resistance Temperature Detectors (RTDs such as Pt100, Ni120, Cu10), and millivolt-level sensors. The module provides remote cold junction compensation (CJC) and open thermocouple detection (OTD), ensuring measurement accuracy and system reliability in demanding industrial environments.

The Honeywell 51306999-175 variant features conformal coating, offering enhanced protection against dust, moisture, and corrosive conditions, making it ideal for harsh process environments in power generation, oil and gas, and chemical processing. With its fixed 1-second scan rate and robust channel-to-channel isolation, the 8C-TAIM01 delivers consistent and precise temperature data acquisition essential for advanced process control.

 

Technical Specifications

Parameter Name	Parameter Value
Product Model	Honeywell 8C-TAIM01 (51306999-175)
Manufacturer	Honeywell
Product Type	Low-Level Analog Input IOTA (LLMUX Termination Assembly)
System Compatibility	Experion PKS, PlantCruise by Experion, C300 Controller, Series 8 I/O
Supported Module	8C-PAIM01 (LLMUX IOP Module)
Input Channels	Up to 64 (in 16-channel increments)
Supported Signal Types	Thermocouples (ANSI J, K, E, T, B, S, R), RTDs (Pt100, Ni120, Cu10), Millivolt inputs
Nominal Input Range	-20 to +100 mV (Thermocouple)
Input Scan Rate	1 second (fixed by IOM)
Isolation	Fully channel-to-channel isolated
Cold Junction Compensation	-20°C to +60°C (±0.5°C typical)
Open Thermocouple Detection	≤1000 Ω no-trip; ≥1500 Ω guaranteed trip
Power Supply	24 VDC nominal
Operating Temperature	-40°C to +70°C
Protection	Conformal Coated (8C variant)
Certifications	CE, UL508, CSA, TUV
Weight	Approx. 0.56 kg

 

 

Main Features and Advantages

The Honeywell 8C-TAIM01 delivers exceptional flexibility and reliability for temperature measurement in process automation systems.

Flexible Multi-Signal Temperature Input: The 8C-TAIM01 supports an extensive range of temperature sensors, including multiple thermocouple types (J, K, T, E, S, R, B) and RTDs (Pt100, Ni120, Cu10) in 2, 3, or 4-wire configurations. This broad compatibility enables the module to serve as a universal temperature interface for diverse field instruments. The module’s remote cold junction compensation (CJC) ensures accurate thermocouple readings across varying ambient conditions, while open thermocouple detection (OTD) protects against errors caused by sensor faults.

High-Density Isolated Channel Architecture: The Honeywell 51306999-175 provides fully channel-to-channel isolated inputs, effectively eliminating ground loops and reducing electrical interference between adjacent measurement circuits. With support for up to 64 channels (expandable in 16-point increments), the 8C-TAIM01 enables significant cabinet space savings and reduced wiring complexity, contributing to lower total installed costs for large-scale temperature monitoring applications.

Deterministic Performance and Robust Diagnostics: The Honeywell 8C-TAIM01 features a fixed 1-second scan rate that ensures consistent and predictable process variable updates across all connected channels, critical for control loop stability. Integrated diagnostic capabilities, including open circuit detection and signal quality monitoring, enable proactive fault identification and maintenance, enhancing overall system availability.

Industrial-Grade Ruggedness for Harsh Environments: The conformal-coated construction of the 8C-TAIM01 provides robust protection against humidity, dust, vibration, and corrosive atmospheres commonly found in power plants, refineries, and chemical facilities. Rated for operation across a wide temperature range of -40°C to +70°C, the Honeywell 8C-TAIM01 delivers consistent performance in the most demanding field conditions.