Honeywell Experion Series C I/O
Honeywell DC-TAIX61 51307715-176 Analog Input IOTA
A redundant Series C analog input IOTA identified as DC-TAIX61 51307715-176, paired with the CC-PAIH51 high-level analog input with HART module.
Product Summary
Exact IOTA model at a glance
Honeywell DC-TAIX61 51307715-176 identifies a redundant Series C analog input IOTA. Use the exact DC-TAIX61 51307715-176 model when checking enquiry and replacement information.
Honeywell official Series C documentation pairs the TAIX61 redundant IOTA with the CC-PAIH51 high-level analog input with HART module. The documented channel path accepts 4–20 mA current inputs from two-wire or self-powered transmitters.
Technical Highlights
Configuration details that define the model
Redundant
TAIX61 is the redundant IOTA selection for the documented CC-PAIH51 input module.
CC-PAIH51
High-level analog input module with HART capability.
16 channels
The official specification lists 16 single-ended current-input channels.
4–20 mA
Current input through the documented 200-ohm input path.
16-bit A/D
Official analog-to-digital converter resolution for the CC-PAIH51 path.
50 ms
Official input scan rate for the documented analog input module.
Performance & Compatibility
Series C module pairing and analog-input performance
Honeywell identifies the TAIX61 redundant IOTA with the CC-PAIH51 analog input module. The input module accepts high-level current inputs from two-wire or self-powered transmitters and supports HART configure/status functions.
The official specification lists 70 dB common-mode rejection from dc to 60 Hz, a 16-bit converter, a 50 ms scan rate and hardware accuracy of ±0.075% of full scale at 23.5 ±2 °C or ±0.15% of full scale from 0 to 60 °C.
| Brand | Honeywell |
|---|---|
| Model | DC-TAIX61 51307715-176 |
| System family | Experion Series C I/O |
| IOTA role | Redundant analog input termination assembly |
| Paired I/O module | CC-PAIH51 |
| Input channels | 16, single ended |
| Input type | 4–20 mA current; two-wire or self-powered transmitters |
| HART support | Configure / status |
| A/D converter | 16 bits |
| Input scan rate | 50 ms |
Installation / Connection Guide
DC-TAIX61 redundant analog-input connection path
This English technical diagram is redrawn from Honeywell’s official Series C documentation and identifies the documented DC-TAIX61 / CC-PAIH51 signal path.

Selection & Ordering Notes
Checks before ordering or replacing the unit
-
Use the official model
Request DC-TAIX61 51307715-176 exactly when checking the redundant analog-input IOTA.
-
Match the paired input module
The official Series C documents pair the TAIX61 redundant IOTA with CC-PAIH51.
-
Confirm redundant architecture
Do not substitute the non-redundant TAIX51 IOTA when the installed system requires TAIX61 redundancy.
-
Keep channel type consistent
The documented path is for 16 single-ended 4–20 mA current inputs; voltage and differential inputs are not supported.
FAQ
DC-TAIX61 technical questions
What is Honeywell DC-TAIX61 51307715-176?
It is a redundant Series C analog input IOTA documented for the CC-PAIH51 input module.
Which input module is paired with TAIX61?
Honeywell’s official Series C documentation pairs it with the CC-PAIH51 high-level analog input with HART module.
How many inputs are documented?
The CC-PAIH51 path provides 16 single-ended current-input channels.
Which input signal is supported?
The official specification lists 4–20 mA current inputs from two-wire or self-powered transmitters.
Can TAIX51 replace TAIX61 without checking?
No. TAIX51 is documented as the non-redundant IOTA, while TAIX61 is the redundant selection.
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