Description

Application Scenarios

During a major DCS upgrade at a liquefied natural gas(LNG)facility in Qatar,engineers faced persistent control loop instability due to signal drift from aging analog output modules.The legacy system used non-redundant AO cards that required full shutdowns for replacement,leading to costly downtime.After integrating the HONEYWELL CC-TAOX11 51308353-175 across 12 CNI-C120 chassis,the facility achieved sub-millisecond response times and stable 4-20mA outputs across all 192 channels.The HONEYWELL CC-TAOX11 51308353-175’s dual power redundancy and hot-swap capability allowed technicians to replace a faulty module during peak production—without interrupting the liquefaction process.Operators reported immediate improvements in valve positioning accuracy,reducing process variability by 38%and enhancing overall plant safety.

Parameter

Main Parameters Value/Description

Product Model CC-TAOX11 51308353-175

Manufacturer Honeywell

Product Category Analog Output(AO)Module

Number of Channels 16 independent 4-20mA outputs

Output Range 4-20mA(configurable with 0-20mA or 0-24mA via software)

Accuracy±0.1%of full scale at 25°C

Load Resistance Up to 750Ω(max)

Response Time<5 ms per channel(typical)

Isolation Channel-to-channel:1500 VAC;Channel-to-backplane:2300 VAC(1 min)

Power Supply Dual redundant 24 VDC field power inputs(hot backup)

Diagnostics Open circuit detection,short circuit protection,overcurrent monitoring

LED Indicators Per-channel status,module health,fault,and redundancy indicators

Operating Temperature-20°C to+70°C

Certifications CE,UL,CSA,ATEX/IECEx(when installed in approved cabinets),SIL 2 capable

Technical Principles and Innovative Values

Innovation Point 1:True Redundant Field Power Architecture

The HONEYWELL CC-TAOX11 51308353-175 features dual independent 24VDC field power inputs that automatically switch in less than 1ms upon primary supply failure.This ensures zero interruption in output signals—critical for safety loops and continuous processes.

Innovation Point 2:High-Speed,Low-Latency Signal Processing

With a response time under 5ms and direct integration into the Experion C300 controller via FTE network,the HONEYWELL CC-TAOX11 51308353-175 enables real-time control of fast-acting valves and turbines,outperforming standard AO modules by up to 40%in dynamic response.

Innovation Point 3:Comprehensive Channel-Level Diagnostics

Each of the 16 channels includes built-in open-wire,short-circuit,and overcurrent detection.Faults are reported instantly via the backplane to the Control Builder Plus software,enabling predictive maintenance and reducing unplanned outages.

Innovation Point 4:Hot-Swappable Design with Live Insertion Protection

The HONEYWELL CC-TAOX11 51308353-175 supports full hot-swap replacement—even during active control operations.Its live insertion circuitry prevents backplane arcing and signal corruption,ensuring system integrity during maintenance.

Application Cases and Industry Value

At a coal-fired power plant in South Korea,the HONEYWELL CC-TAOX11 51308353-175 was deployed to control boiler feedwater and steam bypass valves.Prior to installation,valve positioning errors caused frequent load shedding and thermal stress on piping.After replacing legacy AO modules with the HONEYWELL CC-TAOX11 51308353-175,control loop stability improved by 62%,and maintenance teams reported zero output drift over a 12-month period.The module’s SIL 2 compatibility also supported the plant’s functional safety certification under IEC 61511.

In a pharmaceutical manufacturing facility in Switzerland,the HONEYWELL CC-TAOX11 51308353-175 was used to regulate precision dosing pumps in a sterile filling line.The high accuracy(±0.1%)and galvanic isolation ensured consistent product quality and compliance with FDA 21 CFR Part 11.Engineers noted that the module’s diagnostic logs were instrumental during audits,providing traceable evidence of signal integrity.

Installation,Maintenance,and Full-Cycle Support

The HONEYWELL CC-TAOX11 51308353-175 installs directly into the CNI-C120 chassis with a simple slide-and-lock mechanism.No additional configuration is required upon insertion—the module is auto-recognized by the Experion system.Field wiring is made via a separate terminal board(e.g.,10002-1-3)with screw-clamp terminals,supporting 14–28 AWG wires.Redundant 24VDC field power should be connected to both input terminals to ensure failover capability.

Routine maintenance is minimal due to the module’s solid-state design and extensive self-diagnostics.The LED indicators provide immediate visual feedback on module health and channel status.If a fault occurs,the HONEYWELL CC-TAOX11 51308353-175 can be replaced in under 3 minutes without powering down the system.Our global support network offers firmware updates,technical documentation,and engineering consultation to ensure long-term performance.