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Honeywell CC-TAIX51 High-Level Analog Input IOTA

The Honeywell CC-TAIX51, also cataloged as the 51307075-175 termination assembly, operates as a dedicated hardware component for interfacing field analog input signals with High-Level Analog Input (HLAI) modules within the Experion PKS C300 controller platform.

Suffix Breakdown & Model Matrix

Model Component	Definition
CC	Conformal Coated Printed Circuit Board (PCB)
TAIX	Termination Assembly for High-Level Analog Input (HLAI)
51	Specific Configuration Revision for C300 Series

Hardware Specifications

Parameter	Specification
Model	CC-TAIX51
Brand	Honeywell
Part Number	51307075-175
Module Type	High-Level Analog Input IOTA
Compatibility	Experion PKS C300 Series / HLAI Modules
Signal Type	4-20 mA, 1-5 VDC
Channel Count	16 Channels
Coating Standard	ISA G3 Compliant Conformal Coating
Mounting Type	DIN Rail or Carrier Mount
Operating Temp	0 deg C to 60 deg C
Storage Temp	-40 deg C to 85 deg C
Relative Humidity	5 % to 95 % (non-condensing)

Channel-to-Channel Isolation and HART Loop Support

The CC-TAIX51 supports standard 4-20 mA HART loop protocol integration via compatible HLAI modules. It maintains channel-to-channel isolation characteristics to minimize ground loop interference and crosstalk between adjacent inputs. The conformal coating on the PCB provides a dielectric barrier that mitigates surface current leakage in environments with high humidity or airborne conductive contaminants. This ensures signal integrity for process variable acquisition without requiring additional external isolation barriers.

Frequently Asked Questions

Q: Does the CC-TAIX51 require external power for the termination assembly itself?

A: No. The CC-TAIX51 functions solely as a passive termination interface. All signal excitation and loop power are supplied by the connected HLAI module or field transmitters.

Q: Is this IOTA compatible with legacy Series C I/O modules outside the C300 controller?

A: No. The CC-TAIX51 is electrically and mechanically configured specifically for the Experion PKS C300 series IOTA carrier and HLAI module form factor.

Q: What is the purpose of the conformal coating on this model?

A: The coating protects the PCB against corrosion, moisture, and dust ingress, complying with ISA G3 standards for harsh industrial environments.

Field Installation Guidelines

Install the CC-TAIX51 onto a standard DIN rail or directly into the designated IOTA carrier slot. Ensure all field wiring is terminated using the provided screw terminals with proper torque specifications. Maintain separation between analog input wiring and high-voltage AC power lines to prevent electromagnetic interference. Ground the shield drain wire at the termination point only, and verify continuity to the system ground bus. Before energizing the system, confirm that no short circuits exist between channels and the chassis ground.

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