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Honeywell CC-TAON11 Analog Output IOTA

Honeywell CC-TAON11 Analog Output IOTA

Item NO.: 3741550
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Detail

  • Product NameHoneywell CC-TAON11 Analog Output IOTA
  • Item NO.3741550
  • Weight0.5000 kg = 1.1023 lb = 17.6370 oz
  • CategoryDCS
  • BrandHoneywell
  • Creation Time2026-08-19
  • Honeywell Analog Output IOTA
  • Experion PKS · Series 8
Honeywell CC-TAON11 | Analog Output IOTA

CC-TAON11

Analog Output IOTA Honeywell Process Solutions Part Number: 51306521-175
Experion PKS · Series 8
Product Overview Performance Technical Details System Integration Applications FAQ Recommended Models

Product Overview

CC-TAON11 (Part No. 51306521-175) is a non-redundant analog output termination assembly (IOTA) from Honeywell's Series 8 I/O family, designed for the Experion PKS distributed control system. It serves as the physical termination interface for the CC-PAON01 analog output module, providing the connection points for field wiring to actuators such as control valves, variable frequency drives, and positioners.

The "N" in the model designation indicates non-redundant configuration, as opposed to the redundant variants (CC-TAORxx) used with CC-PAORxx modules. The IOTA provides field power distribution through the backplane, eliminating the need for separate power supplies and reducing installation complexity.

As part of the Series 8 I/O architecture, the CC-TAON11 features a "tilted" design for effective heat management and an "information circle" for quick visual status identification. The I/O module plugs directly into the IOTA, eliminating the need for a separate chassis.

Analog Output IOTA 8 channels 4-20 mA HART compatible Series 8
Key details
  • Honeywell Series 8 I/O
  • Non-redundant analog output IOTA
  • 8 independent output channels
  • Compatible with CC-PAON01
  • Two-level detachable terminals

Performance

Measurement accuracy

  • High precision — When paired with CC-PAON01, the system provides ±0.1% full-scale accuracy for reliable control of critical process loops.
  • Resolution — 16‑bit D/A conversion ensures precise analog output signals.
  • Signal stability — Output signal is stable and reliable, minimizing drift in demanding industrial control applications.

Reliability & protection

  • Channel isolation — 500 VAC isolation between channels and logic protects against electrical interference and ground loops.
  • Short circuit protection — Input and output circuits are protected from shorts, reducing the need for in-line fusing.
  • Environmental robustness — Designed for G1/G2/G3 environments per cabinet configuration, ensuring reliable operation in industrial settings.

Technical Details

Electrical specifications

Manufacturer Honeywell Process Solutions
Model CC-TAON11
Part Number 51306521-175
Product type Analog Output IOTA / Termination Assembly
Redundancy type Non-redundant (N suffix)
Compatible AO module CC-PAON01
Output channels 8
Output signal 4-20 mA DC (HART compatible)
Load capacity Max 750Ω @ 24V DC
Isolation voltage 500 VAC (channel‑channel, channel‑logic)
Supply voltage 24 VDC (backplane + external loop power)

Physical & environmental

Mounting Series 8 I/O rack / Carrier
Terminal type Two-level detachable terminals
Heat management Tilted design for effective thermal management
Status indication Information circle for visual status cues
Operating temperature 0°C to +60°C
Protection rating IP20 (rack mounted)
Certifications CE, UL, CSA
Note: The CC-TAON11 is a passive IOTA. It requires the CC-PAON01 AO module for full functionality.

System Integration

The CC-TAON11 is designed for seamless integration into Honeywell Experion PKS Series 8 I/O systems.

Compatibility & integration

System Experion PKS
Controller C300 / C310 (Series 8 compatible)
Compatible AO module CC-PAON01
Redundant variant CC-TAORxx (with CC-PAORxx)
Communication Series 8 backplane bus ↔ C300/C310 controller
Field wiring Two-level detachable terminals (up to 2.5 mm²)
System integration notes:
  • The CC-TAON11 must be used with the CC-PAON01 analog output module. Mismatched combinations (e.g., CC-PAORxx with CC-TAON11) will not function correctly.
  • Field power is supplied through the IOTA, eliminating the need for additional power supplies and associated marshalling.
  • For HART communication, ensure loop resistance is between 250Ω and 750Ω for proper HART signal modulation.
  • For critical control loops (e.g., feed, drum level), Honeywell recommends the redundant analog output solution with CC-PAORxx and CC-TAORxx.
Related components: CC-PAON01 (AO module), CC-TAORxx (redundant IOTA), CC-PAORxx (redundant AO module)

Applications

The CC-TAON11 is deployed in process and discrete control applications requiring reliable analog output signals.

Control valve positioning
Variable speed drives (VSD)
Process setpoint control
Flow & pressure regulation
Temperature control loops
Actuator control
HART device configuration
Experion PKS migration projects
Typical industries: Refining, petrochemical processing, power generation, chemical batch processing, pharmaceutical manufacturing, and water & wastewater treatment.
Non-critical loop applications: The CC-TAON11 is typically used for non-critical regulatory control loops (e.g., blowdown valves, bypass valves, non‑interlock regulation) where redundancy is not required.

FAQ – Frequently Asked Questions

Q1: What is the difference between CC-TAON11 and CC-TAORxx?

CC-TAON11 is a non-redundant analog output IOTA for use with CC-PAON01. CC-TAORxx is the redundant variant used with CC-PAORxx modules for critical control loops requiring high availability.

Q2: Can I use CC-TAON11 with CC-PAOR01?

No. The CC-TAON11 is specifically designed for non-redundant configurations with CC-PAON01. Using it with a redundant module will result in system incompatibility.

Q3: What are the recommended wiring practices for CC-TAON11?

Use shielded twisted-pair cable with single-point grounding. For HART communication, ensure loop resistance is maintained between 250Ω and 750Ω. For multi-strand wires, use ferrules to prevent contact issues in vibration-prone environments.

Q4: Does CC-TAON11 support HART communication?

Yes, when paired with CC-PAON01, the system supports HART pass-through for digital communication with smart field devices over the same 4-20 mA wiring.

Q5: Is CC-TAON11 hot-swappable?

Yes, the Series 8 I/O architecture supports online module replacement. However, ensure the module is not in use before swapping, and follow proper ESD procedures.

Q6: What is the life expectancy of CC-TAON11 terminals in harsh environments?

In G3 corrosive environments (coastal, high-sulfur), the spring-loaded terminals may experience contact resistance drift after 8-10 years of operation. This can manifest as 4-20 mA signal deviations of approximately 0.2-0.5%. Periodic inspection and re-termination are recommended.

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