ABB UF C721 BE101 | 3BHE021889R0101 ADCVI Board

Description

Product Introduction

The ABB UFC721BE101 3BHE021889R0101 is an ADCVI board used as part of ABB drive electronics. ABB-related product records identify the board as UF C721 BE101 and describe it as an ADCVI-Board Coat, with a product net weight of approximately 0.2 kg.

In practical maintenance terms, this is an internal drive electronics board rather than a conventional PLC analog I/O module. It belongs to the interface/control layer of the drive and should therefore be evaluated against the complete drive hardware configuration. Some online listings incorrectly describe the UFC721BE101 as a generic PLC controller, fieldbus adapter, or 24 V I/O module; those descriptions are not supported by the catalog identification and should not be used for engineering substitution.

The ADCVI designation is also described in some technical references as an Analogue-to-Digital Communication VI Board, which is consistent with its role in ABB drive electronics.

Key Technical Specifications

ABB-related catalog records provide reliable identification, weight, and classification information, but I would not assign generic specifications such as 24 VDC input, RS-485, Ethernet/IP, PROFIBUS, channel counts, or 50 kHz output frequency to this exact board. Several reseller pages publish contradictory specifications that appear to have been copied from unrelated ABB products.

Application Scenarios & Engineering Considerations

The UFC721BE101 is mainly relevant to maintenance of ABB drive equipment where an internal control/interface board has failed or requires replacement.

• ABB drive maintenance: Used as an internal electronics spare rather than a standalone field I/O module.
• ACS1000-related equipment: Available parts references associate the board with ABB ACS1000 systems and identify it as an ADCVI board.
• Drive refurbishment: An exact replacement can help preserve the existing control architecture and avoid unnecessary changes to the complete drive system.
• Legacy equipment support: Matching the original board designation is especially important where the machine has an established parameter set, control firmware, and drive-specific interface configuration.

Field note: If a drive reports an analog-interface or communication-related fault, do not immediately condemn the UFC721BE101. The fault may originate from the associated control board, connectors, power supply, signal conditioning, or the drive’s main circuit.

UFC721BE101 3BHE021889R0101

Related Products

• ABB UFC721BE101 / 3BHE021889R0101 — Exact ADCVI board covered here. ABB-related records identify the catalog description as UF C721 BE101; ADCVI-Board Coat.
• ABB 3BHB002916R0001 / 3BHB002916R0101 — Older board references reported by parts suppliers as being associated with the replacement chain. Treat this as a procurement cross-reference rather than an automatic drop-in substitution.
• ABB 3BHE037864R0101 — Reported by parts documentation as an upgraded reference associated with the older ADCVI board family. Compatibility should be confirmed against the exact ACS1000 configuration before substitution.
• ABB UFC718AE101 / HIEE300936R0101 — Another ACS1000-related internal interface board, but it performs a different function. It should not be treated as an interchangeable replacement for .

The Engineer’s Guide: Field Pitfalls to Avoid

⚠️ Do not treat as a generic PLC I/O card.

The catalog identification is ADCVI-Board Coat, not a conventional analog input/output module.

How to avoid it: Specify both identifiers on procurement documents:

⚠️ Be careful with published electrical specifications.

Several reseller pages claim 24 VDC operation, RS-232/RS-485, Ethernet/IP, Modbus TCP/IP, analog channels, or other generic controller specifications. These claims conflict with the more specific ABB-style product identification.

How to avoid it: Do not use those generic specifications for cabinet design or replacement approval unless confirmed by the drive’s electrical documentation.

⚠️ Verify the complete drive configuration.

An internal ADCVI board is part of a larger drive architecture. Even when the connector and PCB dimensions match, firmware, board revision, associated control hardware, and drive rating can affect compatibility.

How to avoid it: Record the complete drive type, serial number, installed board revisions, and existing firmware/configuration before approving a substitute.

⚠️ Check reported upgrade relationships carefully.

Some parts sources identify 3BHE037864R0101 as an upgraded reference for this board family. That does not by itself prove universal interchangeability.

How to avoid it: Require a documented ABB compatibility relationship for the exact ACS1000 model before substituting an upgraded part number.

Frequently Asked Questions

What is ABB 3BHE021889R0101?

It is an ABB ADCVI board, with the ABB type designation UF C721 BE101 and product ID 3BHE021889R0101. ABB-related catalog data describes it as “ADCVI-Board Coat.”

What does ADCVI mean?

Technical references describe ADCVI as an Analogue-to-Digital Communication VI Board. It is an internal drive electronics/interface board rather than a conventional PLC I/O card.

Is associated with ?

Yes. Parts references associate with ABB drive systems and identify it as an ADCVI board.

What is the product weight?

ABB-related product information lists a net weight of approximately 0.2 kg.

Is the same as 3BHE021889R0101?

Yes. 3BHE021889R0101 is the ABB Product ID associated with .

What should I verify before purchasing a replacement?

For a drive-maintenance replacement, verify:

2. 3BHE021889R0101
3. Exact ABB drive model
4. Drive power/rating
5. PCB revision
6. Connector arrangement
7. Associated control board
8. Firmware/configuration
9. Any documented replacement or upgrade part number
10. Functional test of the board before installation