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I/O Termination Assembly 8C-TAIXB1 Honeywell

I/O Termination Assembly 8C-TAIXB1 Honeywell

Product Overview

The 8C-TAIXB1 (Part Number 51307129-175) is a high-availability 12-inch Redundant Analog Input Termination Assembly (IOTA) designed for the Honeywell PACSystems and Experion PKS Series 8 environments. This assembly...

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Availability: Low stock: 99 left

SKU: 8C-TAIXB1
Vendor: Honeywell
Category: I/O Termination Assembly
Related Series:

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Product Overview

The 8C-TAIXB1 (Part Number 51307129-175) is a high-availability 12-inch Redundant Analog Input Termination Assembly (IOTA) designed for the Honeywell PACSystems and Experion PKS Series 8 environments. This assembly provides the physical mounting and field wiring interface for 16-channel analog input modules in a redundant configuration. Engineered for mission-critical process loops, the 8C-TAIXB1 allows two identical electronic I/O modules to be seated on a single assembly, ensuring that a hardware failure in one module does not interrupt the continuous monitoring of field transmitters.

Hardware and Physical Specifications

Specification Details
Model Number 8C-TAIXB1
Part Number 51307129-175
Component Classification 12-inch Redundant I/O Termination Assembly (IOTA)
Channel Capacity 16 Analog Input Channels
Configuration Redundant (Supports two I/O modules)
Supported Signals 4-20 mA current loops and 1-5 VDC voltage inputs
Mounting Format Vertical Series 8 Carrier
Dimensions 5.2 cm x 26.7 cm x 17.8 cm
Net Weight 0.5 kg

System Redundancy and Reliability

The 8C-TAIXB1 is a foundational component for high-uptime Distributed Control Systems (DCS). It manages the distribution of 24 VDC field power and conditions incoming 4-20 mA signals through precision onboard resistors. The assembly's redundant architecture includes specialized synchronization circuitry that facilitates an instantaneous handover between the primary and secondary I/O modules. By utilizing the 12-inch vertical form factor, the 8C-TAIXB1 provides ample spacing for redundant module cooling and organized field cable management, while the G3 coating ensures the PCB remains protected against humidity and corrosive chemical gases.

FAQ

How does the 8C-TAIXB1 differ from the simplex TAIXA1?

The 8C-TAIXB1 is a 12-inch assembly designed to host two modules for redundancy, whereas the TAIXA1 is a 6-inch assembly designed for a single (simplex) module configuration.

Is this termination assembly HART-compatible?

Yes, when paired with HART-enabled 16-channel analog input modules, the 8C-TAIXB1 supports the digital pass-through of HART data for device configuration and advanced diagnostics.