Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CC-TUIO31 |
| Brand | Honeywell |
| Product Type | Universal Input Output IOTA |
| Origin | USA |
| Weight | 0.36 kg |
| Dimensions | 5.5 x 16 x 14.5 cm |
| Operating Temp | -40 to +70 deg C module ambient |
| Input Type | Current input for 2 wire, 3 wire, or 4 wire devices |
| Input Range | 0-20 mA or 4-20 mA |
| A/D Converter Resolution | 16 bit |
| Input Scan Rate | 10 ms |
| Channels | Any 4 channels |
| Frequency Input Range | 0-15 kHz |
| Normal Mode Rejection Ratio | 18 dB at 50 Hz, 20 dB at 60 Hz |
| Crosstalk Rejection | 60 dB channel-to-channel from DC to 60 Hz |
| HART Support | HART 7 support for analog I/O |
| HART Interface | One HART modem per channel |
| Protection Function | Electronic short circuit protection |
| Output Behavior | Configurable FAILOPT safe-state behavior per channel |
Honeywell Process I/O Signal Processing Features
The CC-TUIO31 supports Honeywell process control signal acquisition with configurable analog input functions. It handles 4-20 mA current loops and provides HART 7 communication capability through dedicated channel modems. Therefore, the module can exchange analog measurement data and device communication signals through the same field wiring structure.
The module provides channel-to-channel crosstalk rejection of 60 dB from DC to 60 Hz. In addition, its 16 bit A/D converter resolution enables detailed conversion of field current signals for control applications. The 10 ms input scan rate supports fast process variable updates.
The IOTA design includes electronic short circuit protection and configurable safe-state behavior. Furthermore, each digital or analog output channel can define its own FAILOPT response according to system requirements. The extended temperature range supports installation in environments from -40 to +70 deg C module ambient.
Frequently Asked Questions
Q: What input signals does the Honeywell CC-TUIO31 process?
A: The CC-TUIO31 processes current signals from 2 wire, 3 wire, and 4 wire field devices. It supports 0-20 mA and 4-20 mA input ranges.
Q: Does the CC-TUIO31 support HART communication?
A: Yes. The module supports HART 7 communication for analog I/O functions and provides one HART modem per channel.
Q: How does the module manage output failure conditions?
A: The CC-TUIO31 allows configurable FAILOPT safe-state behavior on a per-channel basis for digital and analog outputs.
Field Installation Guidelines
Install the CC-TUIO31 according to Honeywell I/O cabinet wiring practices and verify module seating before applying system power. Use shielded field cables for analog current loops and connect cable shields according to the grounding design of the control cabinet.
Separate low-level analog signal wiring from high-current power conductors to reduce electromagnetic interference. Verify correct polarity for current input connections before commissioning.
Confirm that field devices match the configured input type, including 2 wire, 3 wire, or 4 wire transmitter wiring. Check HART communication paths after installation and validate channel operation through the control system configuration tools.
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