Product Details
The Honeywell BC-THAI11 42622268-002, also cataloged as the BC-THAI11 I/O Output Module, operates as a dedicated hardware component for field signal drive and analog output loop execution within Honeywell DCS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BC-THAI11 (Part Number: 42622268-002) |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.12 kg |
| Dimensions | 15.2 cm x 2.4 cm x 12.6 cm |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | 2.5 W nominal |
| Channel Configuration | High-density analog output channels |
| Isolation | Channel-to-channel optoelectronic isolation |
4-20 mA HART Loop Protocol & Channel Isolation
The BC-THAI11 module integrates 4-20 mA HART loop protocol communications across individual output channels to enable bi-directional digital signal pass-through alongside primary analog drive currents. Channel-to-channel isolation prevents ground loop interference and protects backplane bus communication from field voltage transients or cross-talk between high-density wiring loops. Integrated digital-to-analog converters maintain low thermal drift and precise signal execution under variable industrial field load impedances.
Frequently Asked Questions
Q: Can the BC-THAI11 module be hot-swapped during online system operation?
A: Yes. The module supports live insertion and removal (hot-swapping) on compatible powered backplanes, provided field wiring terminal blocks are disconnected or output loops are transferred to manual bypass prior to extraction.
Q: How does the module handle a loss of backplane communication?
A: On communication failure, internal watchdog timers trigger fail-safe hold-last-state or pre-configured fallback current logic (0 mA, 3.8 mA, or 20.5 mA) to prevent uncontrolled actuator drift.
Field Installation Guidelines
- Backplane Insertion: Align the module circuit board with the chassis card guides. Slide the module straight into the slot until the backplane connector fully seats, then tighten the top and bottom retention screws to ensure ground continuity.
- Wiring & Shielding: Terminate twisted-pair signal cables at the field terminal assembly. Earth cable shields at a single point on the cabinet ground bar to prevent ground loop noise from corrupting HART digital modulation.
- Loop Impedance Check: Verify that the total loop resistance (including field wiring and final control element load) remains within the specified driving voltage envelope before applying external loop power.
- Thermal Clearance: Maintain at least 50 mm of unobstructed vertical airflow clearance above and below the card cage assembly to ensure adequate convection cooling.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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