Description

Honeywell CC-TAOX01 Analog Output Module

The Honeywell CC-TAOX01, also cataloged as the 51308351-175 Analog Output IOTA Board, operates as a dedicated hardware component for field device signal termination and interfacing within Honeywell Experion C300 controller systems.

Hardware Specifications

Parameter	Specification
Model	CC-TAOX01
Part Number	51308351-175
Brand	Honeywell
Origin	USA
Weight	0.24 kg
Dimensions	14.6 x 12.1 x 6.8 cm
Operating Temp	60 deg C maximum
Output Type	4-20 mA
Output Channels	16 channels
Output Ripple	< 100 mV peak-to-peak at power line frequency (across 250 ohm load)
Output Temperature Drift	0.005% of Full Scale / deg C
Output Readback Accuracy	+-4% of Full Scale
Output Current Linearity	+-0.05% of Full Scale nominal
Resolution	+-0.05% of Full Scale
Calibrated Accuracy	+-0.35% of Full Scale (at 25 deg C) including linearity
Output Current Range	0 mA, 2.9 mA to 21.1 mA (Directly settable)
Maximum Resistive Load	800 ohms
Maximum Output Compliant Voltage	16 V
Maximum Open Circuit Voltage	22 V
Power Supply Requirement	24 VDC
Redundancy Configuration	Non-redundant
Conformal Coating	Yes

4-20 mA HART Loop Protocol and Channel Architecture

The CC-TAOX01 assembly relies on a centralized 4-20 mA current-loop sub-distribution scheme to manage physical analog outputs. This channel architecture features integrated trace routing designed to support downstream HART loop protocol instrumentation, maintaining clean signal integration across all 16 channels. Built-in signal suppression metrics reduce channel-to-channel cross-talk, while the conformal coating mitigates atmospheric moisture corrosion and conductive contamination on the circuit board traces.

Frequently Asked Questions

Q: What is the mechanical and electrical function of this specific IOTA board?

A: The Input/Output Termination Assembly (IOTA) functions as the physical point of termination for field wiring, routing 16 analog output signals from the C300 controller to actuators, valves, or positioners.

Q: Can this specific model be used in a redundant controller topology?

A: No, the CC-TAOX01 (51308351-175) is explicitly designated for non-redundant configurations. It features a single connection matrix and does not support automatic physical line switchover to a secondary card.

Field Installation Guidelines

• Enclosure and Environment: Ensure the unit is installed inside an industrial enclosure capable of maintaining an internal ambient temperature below 60 deg C under maximum load conditions.
• Wiring and Grounding: Field wiring loop shields must be terminated at designated chassis ground bars to avoid common-mode noise corruption. Maintain isolation between the 24 VDC instrument power supply lines and signal lines.
• Torque Specifications: When clamping field conductors to the terminal blocks, ensure uniform torque allocation across all screw terminals to prevent high-resistance connection junctions.

Specifications

• Brand: Honeywell

Advantages

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