Description
ABB UFC911B108 3BHE037864R0108 | Current Measurement Board | Industrial Control Spare
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | UFC911B108 |
| ABB Type Designation | UF C911 B108 |
| Order Number | 3BHE037864R0108 |
| Product Type | Current Measurement Board |
| Board Function | Current measurement / signal processing |
| Product Family | UFC911 |
| Installation | Integrated control-system assembly |
| Replacement Class | Configuration-specific spare |
Specification caution: Secondary sources disagree on the exact electrical architecture of UFC911B108. Claims involving 24 VDC supply, digital I/O channel count, Ethernet, RS-485, Modbus TCP, output current, operating temperature, or exact dimensions should be verified against the installed equipment documentation before being used in a procurement specification.
Product Introduction
The ABB UFC911B108 3BHE037864R0108 is an ABB UFC911-family board identified in available catalog data as a current measurement board. It belongs to the control electronics rather than being a conventional standalone PLC input/output module. Its measurement circuitry is intended to provide current-related feedback to the associated control architecture.
For maintenance procurement, the complete ABB ordering number is critical. Boards carrying similar UFC911 designations can have different functions or configurations. Replacing a current-measurement board with a visually similar interface or control board without checking the original assembly can introduce scaling, feedback, or commissioning problems.
UFC911B108 3BHE037864R0108
Application Scenarios & Field Pitfalls — The Engineer’s Perspective
Engineering Pain Point
Current-feedback hardware tends to receive less attention than the main controller until the measured value becomes unstable, incorrect, or unavailable. In a power-electronics or industrial control cabinet, a measurement-board problem can be mistaken for a sensor, wiring, controller, or software fault.
Typical Applications
- Industrial power-control equipment — current feedback within electronic control assemblies.
- ABB control cabinets — board-level replacement during maintenance.
- Power-electronics systems — current measurement and associated signal conditioning.
- Legacy automation equipment — spare-board replacement where the original UFC911 configuration remains in service.
Technical Pitfalls
- Match the complete part number.
Verify UFC911B108 / 3BHE037864R0108, not simply “UFC911.” The suffix identifies the specific board configuration. - Do not confuse measurement hardware with general-purpose I/O.
Some online listings describe this part as an I/O control module and assign it eight configurable digital I/O channels. Those claims conflict with catalog data identifying the part as a current measurement board. - Check the original cabinet documentation.
Record the board position, connected harnesses, terminal assignments, neighboring boards, and equipment type before replacement. - Verify current-scaling information.
A replacement measurement board may be electrically correct while still requiring the correct system configuration for the connected current-sensing circuit. Incorrect scaling can produce apparently plausible but inaccurate feedback. - Inspect connectors and harnesses before condemning the board.
Oxidation, loose contacts, damaged conductors, or poor shielding can produce measurement faults that resemble a failed PCB. - Do not rely on reseller specifications for commissioning.
Available secondary listings give conflicting descriptions of this exact part. Use the original ABB equipment documentation, cabinet drawings, and nameplate information as the final reference.
Related Products
- ABB UFC911B101 — 3BHE037864R0101P — UFC911-family configuration identified separately as a programmed CVMI2B assembly; not a direct substitute for B108.
- ABB UFC911B108 — 3BHE037864R0108 — the current-measurement-board configuration covered here.
- ABB PPD512A10-150000 — 3BHE040375R1023 — AC 800PEC-family controller hardware; different system role.
- ABB PPD513A0E110110 — 3BHE039724R0E41 — AC 800PEC excitation/power-electronics controller family; not a board-level substitute.
- ABB PPD517A3011 — 3BHE041576R3011 — AC 800PEC high-speed/excitation control hardware; compatibility requires system-level verification.
- ABB PM511V08 — 3BSE011180R1 — Advant Controller processor module; different architecture and function.
- ABB AI830A — S800 analog input module; conventional I/O hardware and not equivalent to .
Procurement Note
For , treat the part as a configuration-specific ABB current measurement board unless the equipment documentation establishes a more specific system designation. Before purchasing, verify the full order number, board revision, cabinet location, connected harnesses, host equipment model, and original measurement circuit.
If the application is critical, a clear photograph of the PCB label and connector side is useful for confirming the exact board variant before approving a replacement.
