Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | CC-TAIX01 |
| Product Type | AI IOTA Base / Terminal Assembly |
| System Family | Honeywell Experion PKS, C300 C-Series I/O |
| Channel Capacity | 16 analog input channels |
| Wiring per Channel | 6-IN (6 wires per channel) |
| Redundancy | Non-redundant IOTA |
| Compatible IOM | CC-PAIX01, CC-PAIH01 HLAI modules |
| Mounting | C-Series IOTA rail in C300 I/O cabinet |
| Typical Application | 4-20 mA, 0-10 V, TC, RTD analog inputs |
| Status | Active / verify current availability with OEM |
Product Introduction
Most C300 analog input failures are not the HLAI module. They are loose terminal screws, mislabeled pairs, or the wrong IOTA base being pulled during a hot swap. The CC-TAIX01 sits underneath that risk.
The CC-TAIX01 is the non-redundant IOTA base for 16-channel high-level analog input modules in the Honeywell C300 I/O architecture. It accepts 6-wire per channel field wiring and mates with HLAI IOMs such as CC-PAIX01 and CC-PAIH01. The base does not perform A/D conversion; it provides termination, shielding, and backplane connection for the installed AI module.
Choose it when the existing C300 rack uses non-redundant AI points and the field wiring matches a 6-IN layout. It is not a drop-in replacement for CC-TAIX11, which is the redundant 12-IN AI IOTA. Swapping those without checking wiring will create commissioning headaches fast.
QA/QC Transparency SOP
- Intake & Origin Verification: Confirm CC-TAIX01 part number, revision label, and physical condition. Reject units with cracked connectors, corroded terminals, or missing IOTA hardware.
- Live Functional Testing: Seat the IOTA on a C300 test rail with a known-good HLAI module. Verify backplane recognition in Configuration Studio and confirm channel status reads healthy.
- Electrical Parameter Tests: Check terminal continuity, shield connections, and insulation between adjacent channels. Look for shorts, open terminals, or cold crimps on the 6-wire blocks.
- Firmware/Config Verification: Confirm the paired HLAI module firmware and channel configuration match the site backup. The IOTA itself has no firmware, but the IOM does.
- Final QC & Anti-Static Packaging: Label the assembly, bag it in ESD packaging, and document the test result. Surplus units should carry a clear “tested / as-is” status.
Field Engineer Gotchas
- IOTA vs. IOM confusion: CC-TAIX01 is the base, not the AI module. Ordering only the IOTA when the HLAI module failed wastes a shutdown window. Verify both part numbers.
- CC-TAIX01 vs. CC-TAIX11: is non-redundant, 6-IN. TAIX11 is redundant, 12-IN. Do not substitute one for the other without rewiring and reconfiguration.
- 6-wire channel mismatches: HLAI channels can use multiple conductors for signal, return, and shielding. Pulling the wrong pair during replacement creates bad readings that look like sensor drift.
- Terminal torque and corrosion: Loose screws cause intermittent AI faults. Retorque terminals and inspect for oxidation before blaming the module.
- Hot-swap discipline: C-Series IOMs support hot replacement in many configurations, but the IOTA base should not be yanked under load unless procedures allow it. Verify with site standards first.
Honeywell CC-TAIX01
Application Scenarios
- Refinery unit temperature monitoring: 4-20 mA and RTD inputs from distillation columns, heat exchangers, and reactor beds feed into CC-PAIX01/CC-PAIH01 modules seated on CC- bases.
- Power plant auxiliary systems: Feedwater level, steam pressure, and bearing temperature signals terminate at the IOTA before reaching the controller.
- Chemical batch processing: Analog inputs from pressure transmitters, flow meters, and tank level devices use the 6-IN wiring structure for better shielding and diagnostics.
- Case note: A petrochemical plant reported drifting temperature readings on three AI points. The HLAI modules tested clean. The root cause was corroded terminals on the CC- base after years of humidity exposure. Replacing the IOTA and re-terminating the field wiring cleared the drift without changing the HLAI module.
FAQ
No. It is the IOTA base. The actual AI function comes from the installed HLAI module, typically CC-PAIX01 or CC-PAIH01.
Not directly. CC-TAIX11 is a redundant 12-IN AI IOTA. The wiring, module pairing, and configuration are different.
16-channel HLAI IOMs such as CC-PAIX01 and CC-PAIH01. Confirm the exact module revision before ordering.
Does it support HART?
HART capability depends on the installed HLAI module, not the IOTA base. CC-PAIH01 supports HART; CC-PAIX01 does not.
Can it be hot-swapped?
C-Series IOMs often support hot replacement, but the IOTA base is field wiring infrastructure. Treat base replacement as a planned maintenance activity unless site procedures explicitly allow otherwise.
It has been widely used in systems, but current availability should be confirmed with Honeywell or an authorized supplier before procurement.
