Honeywell 97269971 B011 TC-IDD321 Experion LS DI Card
Manufacturer: Honeywell
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Part Number: TC-IDD321 97269971 B01
Condition：New with Original Package
Product Type: Digital Input Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Honeywell TC-IDD321 (Part No. 97269971 B011) acts as a high-density interface for the Experion LS and Experion PKS automation platforms. This digital input (DI) module captures discrete "ON/OFF" signals from field-level devices, including limit switches, proximity sensors, and relay contacts. It translates these physical states into actionable data for the controller, enabling precise monitoring of plant-wide machinery and process states. We provide this unit as 100% brand new and original, ensuring zero-hour reliability for mission-critical sequences in petrochemical, manufacturing, and power generation sectors.
Technical Specifications
| Parameter | Specification Details |
| Model Number | TC-IDD321 |
| Part Number | 97269971 B011 |
| Module Type | Digital Input (DI) |
| Input Channels | 32 Isolated Points |
| Nominal Voltage | 24 VDC |
| Input Current | 5.5 mA per channel |
| Update Rate | ≤25 ms (per channel) |
| Isolation | Channel-to-Channel and System-to-Field |
| Power Consumption | 6–8 W (Load dependent) |
| Operating Temp | –20°C to +55°C (Standard) |
| Weight | 0.3 kg (Net) / 0.55 lbs |
Engineering Advantages
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High Channel Density: The TC-IDD321 packs 32 discrete inputs into a single slot. This architecture reduces the total footprint of the I/O rack, allowing engineers to design more compact control cabinets and lower overall hardware costs.
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Superior Signal Isolation: Integrated electrical isolation protects the system backplane from field-side voltage spikes and electrical noise. This barrier prevents transient surges from damaging the central processor, maintaining uptime in electrically noisy environments.
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Integrated Diagnostics: The module performs continuous self-tests and monitors channel health. It detects faults instantly and reports them to the Experion software, facilitating proactive maintenance and reducing the Mean Time to Repair (MTTR).
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High Noise Immunity: Logic levels within the module filter out standard industrial interference. This ensures that the system recognizes only genuine state changes from sensors, preventing false triggers caused by electromagnetic interference (EMI) or RFI.
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Dual-System Compatibility: The hardware supports both modern Experion PKS/LS architectures and legacy TDC 3000 systems. This makes the TC-IDD321 an ideal choice for both new greenfield installations and brownfield DCS modernization projects.
FAQs
Q: Does the TC-IDD321 support both sink and source configurations?
A: The module operates at a nominal 24 VDC. You must verify the specific wiring diagram for the 97269971 B011 baseplate to ensure compatibility with your field device's grounding and power sourcing requirements.
Q: How does the module handle high-frequency signal switching?
A: The TC-IDD321 features an update rate of ≤25 ms. This speed is sufficient for standard process switches and sensor monitoring; however, for ultra-high-speed pulse counting, dedicated counter modules may be required.
Q: Is this module compatible with the Experion LS "Small Scale" controllers?
A: Yes. The TC-IDD321 is a core component of the Experion LS I/O family, specifically designed for small-to-mid-scale projects where cost-efficiency and high-density I/O are primary requirements.
Q: Are these units refurbished or legacy stock?
A: We supply only 100% brand new units in original Honeywell packaging. While this model is a staple in legacy systems, our stock consists of fresh units built to current factory standards.