16-Channel AI HART Module BU/BC‑THAI11 by Honeywell PLC Board
Manufacturer: Honeywell
-
Part Number: 42622268-002
Condition：New with Original Package
Product Type: Analog Input Modules
-
Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Honeywell BU/BC-THAI11 Experion PKS Field Termination Assembly
The Honeywell BU/BC-THAI11, also cataloged as the Honeywell BU/BC-THAI11 Field Termination Assembly, operates as a dedicated hardware component for signal conditioning and termination within Experion PKS and TDC 3000 network platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | BU/BC-THAI11 (42622268-002) |
| Brand | Honeywell |
| Origin | China |
| Weight | 0.18 kg (0.4 lbs) |
| Dimensions | 3.6 x 2.2 x 0.8 inches |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | Passive termination assembly (Loop powered) |
| Number of Channels | 16 analog input channels |
| Protocol Support | 4-20 mA HART loop protocol |
| Wiring Terminals | Screw terminal connections |
| Condition | Factory tested |
| Certifications | CE, FCC |
Process Control & DCS Signal Termination
The field termination assembly integrates continuous tracking traces to sustain channel-to-channel isolation parameters across all 16 analog input streams. The specialized hardware architecture maps directly to the 4-20 mA HART loop protocol layer, enabling bidirectional pass-through of digital variable data and smart instrument diagnostics from the field transmitter to the process manager. Internal line termination matrices block common-mode electrical transients and cross-talk interference, stabilizing low-level current readings prior to analog-to-digital data translation.
Frequently Asked Questions
Q: How does the module handle secondary digital parameter retrieval from field devices? A: The circuit board provides dedicated frequency-shift keying pathways across all 16 ports, allowing full concurrent pass-through of the digital HART protocol overlay without corrupting the base 4-20 mA analog value.
Q: What mechanisms terminate the field field wires on the physical board assembly? A: The printed circuit block integrates industrial screw terminal terminal arrays that accept direct wire compression to achieve low contact resistance.
Q: Does this termination board demand independent external power supply lines to operate? A: No, the module functions as a passive physical interface board that relies on the main loop current supplied by the parent I/O controller rack.
Field Installation Guidelines
- Tighten all field wiring screw terminals to the designated torque specification to prevent loose mechanical loops from inserting resistance errors into the current signal.
- Terminate the instrument cable shield drain wires directly at the copper bus bar inside the marshalling cabinet wall before securing the conductor pins.
- Keep clean segregation paths between these analog input cables and neighboring high-voltage AC motor control lines inside the cabinet routing channels.
- Confirm that the board grounding plate achieves direct metal-to-metal continuity with the enclosure DIN-rail subsystem during mechanical snap mounting.