Description

Honeywell 8U-TAOXB1 Redundant Analog Output IOTA Terminal Assembly

Configured for analog output signal termination in the Honeywell Experion Series 8 / C300 DCS, the Honeywell 8U-TAOXB1 (8U-TAOXB1 Redundant Analog Output IOTA Terminal Assembly) provides direct electrical interfacing between field wiring and redundant analog output modules.

Hardware Specifications

Parameter	Specification
Model	8U-TAOXB1
Brand	Honeywell
Product Type	Redundant Analog Output IOTA Terminal Assembly
System Compatibility	Honeywell Experion Series 8 / C300 DCS
Board Type	Uncoated IOTA Assembly
Configuration	Redundant Analog Output Interface
Channel Capacity	16 Analog Output Channels
Signal Type	4-20 mA Current Output
Communication Support	HART Pass-through
Supply Voltage	24 VDC
Voltage Range	22 to 28 VDC
Module Current Consumption	Approximately 190 mA at 24 VDC
Resolution	16-bit
Output Accuracy	+/-0.05% Full Scale Linearity
Load Resistance	50 to 800 ohm
Output Ripple	Less than 100 mV peak-to-peak
Operating Temp	-40 to +70 deg C
Storage Temp	-40 to +85 deg C
Relative Humidity	5% to 95% RH non-condensing
Origin	USA
Dimensions	12-inch IOTA form factor
Power Consumption	Approximately 4.56 W at 24 VDC

4-20 mA HART Loop Interface and Channel Isolation

The Honeywell 8U-TAOXB1 supports analog output signal routing through 4-20 mA current loops with HART pass-through capability. Therefore, the terminal assembly maintains communication continuity between field devices and the Experion Series 8 control environment.

The IOTA design provides channel-level electrical separation for field connections and supports redundant analog output module configurations. In addition, the uncoated circuit board construction follows the standard 8U hardware designation for installations without conformal coating requirements.

The assembly supports field instrument connections where analog output accuracy, loop integrity, and maintenance access are required. It operates with 24 VDC system power and provides the physical termination interface for distributed control applications.

Frequently Asked Questions

Q: Does the Honeywell 8U-TAOXB1 support redundant analog output configurations?
A: Yes. The 8U-TAOXB1 is designed for redundant analog output module arrangements within the Experion Series 8 / C300 DCS architecture.

Q: Can the 8U-TAOXB1 pass HART communication signals?
A: Yes. The terminal assembly supports HART pass-through on compatible 4-20 mA analog output channels.

Q: Is the 8U-TAOXB1 suitable for online maintenance operations?
A: The assembly supports hot-swap system architectures when installed with compatible Honeywell hardware. Maintenance procedures must follow the applicable Experion system guidelines.

Field Installation Guidelines

• Install the 8U-TAOXB1 inside the designated Honeywell control cabinet mounting location.
• Verify module compatibility with the Experion Series 8 / C300 DCS hardware configuration before wiring.
• Use shielded instrumentation cables for analog field connections where required by the site grounding standard.
• Terminate cable shields according to the plant grounding design to reduce electrical interference.
• Separate low-level analog signal wiring from high-voltage power cables and high-current conductors.
• Confirm 24 VDC supply polarity before energizing the terminal assembly.
• Inspect field terminals for correct conductor placement and secure mechanical connection.
• Follow Honeywell installation manuals for redundant module pairing and maintenance procedures.

Specifications

• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems