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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Assembly Model | CC-TAID11 — Redundant AI IOTA, 16-Channel Differential |
| Type | Field Termination Assembly (no active signal processing electronics) |
| Compatible IOMs | CC-PAIH01, CC-PAIH02 (HART), CC-PAIX01, CC-PAIX02 (no HART) |
| Differential Input Coverage | All 16 channels (1–16) — vs. only channels 13–16 on standard CC-TAIX01/11 IOTA |
| Redundancy | Yes — accepts a redundant IOM pair on the same IOTA |
| Footprint | 12″ (304 mm) |
| Field Wiring Capacity | Up to 12 AWG / 2.5 mm² stranded wire per Series-C spec |
| Terminal Style | Two-level detachable terminals for field wiring |
| Field Power | Supplied directly through the IOTA — no external marshalling power required |
| Third-Party Marshalling Compatibility | Supports VARIOFACE/termination boards designed for Series-C AID16 IOTAs (e.g., Phoenix Contact UM-D37M/AID16/C300 series) for barrier/isolator interfacing |
| Environmental Note | Refer to Series-C Platform Specification EP03-520-xxx for full environmental ratings |
Product Introduction
The Honeywell CC-TAID11 is the field termination assembly, not the electronics — it’s what lands your wiring for 16 fully differential analog input channels on a redundant Experion PKS Series-C rack. Pair it with CC-PAIH02 (HART) or CC-PAIX02 (no HART) IOMs to get differential operation across all 16 channels, instead of the standard 4-channel differential limit on the CC-TAIX01/11 IOTA.
Field power routes through the IOTA itself, so there’s no separate marshalling supply to install. The 12″ redundant footprint accepts a second IOM directly on the same assembly for hot backup, with no external redundancy cabling.
CC-TAID11
CC-TAID11
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No power to the IOM | IOTA not receiving 24 VDC bus power | ✅ High | Measure incoming 24 VDC at the IOTA power terminals | Check upstream power supply/bussed feed — the IOTA itself has no active electronics to fail in this way |
| Single channel reads wrong or open | Field wiring fault, not the IOTA | ❌ Low | Verify wiring at the detachable terminal against the wiring diagram | Correct field wiring — the IOTA is passive; a channel fault almost always traces to wiring or the IOM |
| Differential inputs behaving as single-ended | Wrong IOM installed (CC-PAIX01/PAIH01 instead of the -02 variant) | ✅ Medium | Confirm IOM part number matches CC-PAIH02 or CC-PAIX02 | Swap to the correct IOM — CC-TAID11 requires the -02 variant for full 16-ch differential support |
| Redundant IOM won’t switch over | IOTA seating issue or partner IOM fault | ✅ Medium | Check both IOM status LEDs and reseat if needed | Verify IOTA connector seating before condemning either IOM |
| Suspected IOTA damage (physical) | Corrosion, cracked terminal, mechanical damage | ✅ High | Visual inspection of terminals and connector pins | Replace IOTA — it’s a passive assembly, so physical damage is the main failure mode |
Since the IOTA has no active signal-conditioning electronics, most reported “IOTA faults” trace back to field wiring or the paired IOM. If a hardware fault is confirmed, send photos of the terminal block and connector to support for verification.
Frequently Asked Questions (FAQ)
Is this the analog input module, or just the termination assembly?
Just the termination assembly. The CC-TAID11 has no signal-conditioning electronics of its own — it’s the field wiring interface. You still need a CC-PAIH01/02 or CC-PAIX01/02 IOM plugged into it to actually process the input signal.
Can I use a standard CC-TAIX11 IOTA instead of CC-TAID11?
Only if you don’t need full 16-channel differential operation. The standard CC-TAIX01/11 IOTA only supports differential wiring on channels 13–16; CC-TAID01/11 extends that to all 16 channels. If your project needs 16 differential inputs, you need this specific IOTA.
Is the CC-TAID11 hot-swappable?
The IOTA itself is generally not pulled live — de-energize the rack slot before removing it. The IOM plugged into it follows the same rule as any Series-C IOM: no live insertion.
Does this IOTA work with both HART and non-HART modules?
Yes — CC- pairs with either CC-PAIH02 (HART-capable) or CC-PAIX02 (no HART). The wiring and differential channel support are identical either way; HART capability comes from which IOM you plug in.
Why is this cheaper than a factory-direct quote?
This is a New Surplus/New Original unit — factory-sealed, serial-verified, never installed — sourced outside Honeywell’s direct sales channel. You skip the OEM markup and lead time; our inspection and warranty terms stand in for a factory warranty.
What’s tested on a termination assembly before it ships?
Since it’s passive hardware, testing focuses on physical/electrical integrity rather than functional signal processing: continuity check across all terminal paths, visual inspection for corrosion or damage, connector pin inspection, and a mated fit-check with a known-good IOM. Photos available on request.
Do I need this for a non-redundant configuration too?
No — for non-redundant 16-channel differential input, use CC-TAID01 (9″ footprint) instead. CC- is specifically the 12″ redundant version.
