Honeywell 8U-TAOXA1 Series 8 Analog Output Module

Overview

The Honeywell 8U-TAOXA1 is a high-performance analog output module from Honeywell’s IOTA (Input/Output Termination Assembly) series. Designed for use with Experion PKS and TPS control systems, it delivers configurable high-level analog signals for field device control. Supporting both current and voltage outputs, this module ensures accurate signal conversion, stable operation, and robust electrical isolation suitable for demanding process automation environments.

Technical Specifications

• Manufacturer: Honeywell

• Model/Part Number: 8U-TAOXA1

• Product Type: Analog Output IOTA Module

• Output Type: Analog (current or voltage)

• Signal Range: 4–20 mA or 0–10 V DC (field-selectable per channel)

• Load Capability: Up to 750 Ω at 20 mA (current output)

• Output Accuracy: ±0.1% of full scale

• Resolution: 16-bit digital-to-analog conversion

• Update Rate: ≤100 ms per channel

• Isolation Voltage: 500 VDC between field and system circuits

• Power Supply: Provided through the IOPS power unit

• Communication Interface: IOHighway bus, operating at 1.2 Mbit/s or 4 Mbit/s

• Operating Temperature: -20°C to +70°C

• Mounting: Single-slot module design for IOTA base

• Dimensions: Approx. 150 mm × 140 mm × 145 mm

• Weight: 1.2 kg

Features

• Dual Output Capability: Each channel supports selectable current (4–20 mA) or voltage (0–10 V) output.

• High Precision: 16-bit resolution with ±0.1% accuracy for consistent signal quality.

• IOTA-Based Integration: Provides direct field wiring connections and simplified maintenance.

• Fast Response: Sub-100 ms update rate ensures real-time control responsiveness.

• Integrated Diagnostics: Built-in calibration and fault detection for proactive maintenance.

• Electrical Isolation: Optical and galvanic isolation protects control systems from transients and ground noise.

• Modular Compatibility: Fully compatible with Honeywell Experion PKS and TPS platforms.

Applications

The 8U-TAOXA1 is ideal for precision analog control in industrial automation systems, including valve actuation, motor control, and process output regulation. It is widely used in refining, power generation, chemical, and pharmaceutical automation systems requiring high reliability and accuracy.

FAQ

Q: Does the 8U-TAOXA1 support both current and voltage output?
A: Yes, each channel can be configured individually for either 4–20 mA or 0–10 V output.

Q: What systems is this module compatible with?
A: It is compatible with Honeywell Experion PKS and TPS control systems using IOTA architecture.

Q: Is there isolation between the system and field circuits?
A: Yes, the module provides 500 VDC isolation to ensure safe and interference-free operation.

Similar Models Comparison

• 8U-TAOHA1: Enhanced version with redundant channel support and advanced diagnostics.

• 8U-TAIMA1: Analog output module with input/output flexibility and HART communication support.