Product Overview

The 3BHB003041R0101, commercially designated UFC719AE01, is an I/O control board manufactured by ABB under the 3BHB drives-division prefix, purpose-built as a plugin I/O aggregation module for the ABB ACS600 and ACS800 industrial drive families. Within the ACS800 control-section architecture, the UFC719AE01​ sits on the drive’s internal control-rack (the vertical card cage behind the door-mounted operator panel), where it serves as the bridge between plant-level field wiring — start/stop pushbuttons, fault-reset, speed-reference potentiometer or PLC analog output, run-permit contacts, local alarm lamps — and the drive’s main processor, which communicates with the UFC719AE01​ over the internal fiber-optic link that keeps high-speed logic isolated from the power-stage electrical noise.What the UFC719AE01​ does specifically is provide the drive-local I/O terminal set that doesn’t travel over the drive’s Profibus/Modbus/EtherNet/IP option card. A plant PLC may send “Run Permissive” and “Speed Ref 0–10 V” to the UFC719AE01​ terminals via homerun wires to the drive cabinet, while the drive’s RDCO/RDCU communication card handles the high-speed cyclic data to the DCS. This split — local-hardware I/O on the UFC719AE01, networked cyclic on the comms card — is standard ABB practice on ACS800 because it keeps “safety-relevant” or “always-local” signals (E-Stop daisy chain, local hand-off-auto selector, drive-cabinet thermostatic alarm) independent of the network. The UFC719AE01​ draws its 24 VDC from the drive internal backplane (powered by the drive’s control-system PSU, e.g. the ABB YT or YM supply that also feeds AINT/AINP/RINT cards), so no separate feed is needed at the cabinet level.For spare-parts buyers, the key context is that the UFC719AE01​ is an ACS600/ACS800-generation board, not an ACS580/ACS880 board (those use RDCU-12C + CDMU-01 + AINT-14, a different mechanical/electrical stack). If your drive cabinet has the tall control-rack with fiber ribbons going to a centrally located CPU board and AINT/AINP/RINT daughters around it, the UFC719AE01​ is the I/O board in that mix. The rev suffix “AE01” matters — ABB issued AE01, AE02, etc. across the UFC719 lane; electricals are the same but firmware handshake and connector pinout detail can shift, so cross-check the existing board’s label before substitution.

 

Technical Specifications

Parameter Name	Parameter Value
Product Model	3BHB003041R0101​ (UFC719AE01)
Manufacturer	ABB (Drives Division, 3BHB prefix)
Product Type	I/O Control Board (Drive Internal Plugin)
Compatible Drives	ABB ACS600, ACS800 series (mid-to-high power, cabinet-type)
Mounting	Plugin to ACS800 control-rack (vertical card cage, backplane connector + guide rails)
Communication to Host CPU	Internal fiber-optic link (isolated, high-speed, to drive main processor / RDCU-equivalent)
Local I/O Functions	Digital inputs (start/stop, reset, permit), digital outputs (run lamp, fault relay), analog input (speed ref 0–10 V / 4–20 mA typical), analog output (motor current / speed feedback to local meter)
Power Supply	24 VDC from drive internal backplane (via control PSU, e.g. YT/YM series)
Operating Temperature	0 °C to +55 °C (drive-cabinet ambient)
Storage Temperature	-40 °C to +70 °C
Humidity	5%–95% non-condensing
Protection	IP20 (cabinet-internal, control-rack enclosed)
Dimensions (approx.)	~233 × 160 mm PCB (standard ABB drive-board Eurocard proportion)
Weight	~0.4 kg
Agency Approvals	CE, UL (per ABB ACS800 system certification)

 

Main Features and Advantages

Local I/O aggregation that stays alive when the network doesn’t.​ The UFC719AE01​ exists because not every signal belonging to a drive should travel over Profibus or EtherNet/IP. A local “Hand-Off-Auto” selector, an E-Stop daisy-chain through the drive cabinet, a cabinet-overtemp thermostat, and a local fault-reset button — these are the signals the UFC719AE01​ terminates. When the plant DCS/SCADA goes dark for a software patch, or the Profibus token rotates poorly during a thunderstorm, the UFC719AE01​ still has the local run-permit and the local emergency-stop path. On a pump-house MCC row with ten ACS800s, that design choice keeps each drive locally operable even if the cell controller drops off the ring.Fiber-isolated link to the drive CPU.​ The UFC719AE01​ talks to the ACS800 main processor (the RDCU or its ACS600-era equivalent) over a short fiber ribbon inside the control-rack. That isolation matters: the ACS800 power section is switching hundreds of amps at 690 VAC, and the control-rack sits inches away from the inverter heat sink. A copper backplane would pick up dV/dt noise from the IGBT gate drives; the fiber link keeps the UFC719AE01‘s logic clean. For commissioning engineers, this also means the UFC719AE01​ can be hot-swapped (with the drive in “Control Off” but 24 VDC backplane live) without arcing risk on the data side — though ABB still recommends a full drive power-down for board replacement as standard practice.24 VDC backplane power = no extra PSU wiring.​ The UFC719AE01​ draws from the same 24 VDC rail that powers the AINT-02 (analog interface), AINP-01 (analog input), RINT-x (rectifier interface), and AMPL-01 (amplifier) cards in the same ACS800 control-rack. That rail is fed by the drive’s internal control PSU (often an ABB YT715 series or similar 24 VDC / 5 A unit mounted in the drive door or the rack top). For the installer, this means one fewer PSU to source and one fewer fusing decision — the UFC719AE01​ just seats and powers up.ACS600 → ACS800 continuity.​ The UFC719 family straddles both the ACS600 (obsolete but still running in many plants) and ACS800 (mature, still supported) generations. A UFC719AE01​ from an ACS800 BOM can often seat in an ACS600 control-rack if the fiber-end and backplane keying match — ABB kept the mechanicals consistent across the two generations. That cross-generational carry is why the UFC719AE01​ remains a steady spare even as ACS800 gives way to ACS880 — plants with mixed ACS600/800 fleets can stock one I/O-board SKU for both.Rev-suffix discipline (AE01 vs. AE02/03).​ ABB iterated the UFC719 through AE01, AE02, etc., mostly firmware and component-substitution changes (RoHS transition, semiconductor obsolescence replacements). Electrically and mechanically the UFC719AE01​ is a drop-in for later revs in most cases, but there are edge cases where a very late-production ACS800 firmware expects AE02+ and throws a “Board ID mismatch” on an early AE01. For plants doing a 1-for-1 failure swap, matching the rev suffix avoids a parameter-file re-load; for planned spares, buying AE02 (if available) future-proofs against the edge case.

Application Field

The UFC719AE01​ lives exclusively inside ABB ACS600 and ACS800 drive cabinets — which means its application map follows ABB’s large-induction/motor-drive installed base in heavy process industries.Metals and rolling mills are the densest slice: ACS800 frames from 150 kW up to several MW drive roughing stands, finishing stands, coilers, and bridles — each drive cabinet has a control-rack with an UFC719AE01​ (or sibling rev) aggregating the local I/O. On a hot-strip finishing train with 6–7 stands, each UFC719AE01​ terminates the local “stand isolate,” “lube-fault acknowledge,” and “field-stat” signals that the mill electrician needs at the cabinet door without walking back to the pulpit DCS. The fiber link back to the drive CPU keeps those signals synchronized with the main speed-loop without adding noise-sensitive copper runs inside the mill bay.Mining and minerals: overland conveyor main drives, crusher lube-pump VFD/DC hybrids, and slurry-pump drives in ABB ACS800 packages use the UFC719AE01​ for local I/O — especially in remote pump houses where the PLC rack may be 200 m away and the drive still needs a local “pump #2 trip reset” button on the cabinet door. Cement plants deploy the UFC719AE01​ on kiln induced-draft fan drives, cooler-grate feeder drives, and vertical-roller-mill main motors — the 0–55 °C operating range covers the kiln-area ambient (hot side of the preheater tower can exceed that, but the drive cabinet is usually climate-controlled or forced-air cooled).Water and wastewater: large lift stations and stormwater pumps with ACS800 drives (250–800 kW) use the UFC719AE01​ for local hand-off-auto selectors, local fault lamps, and local speed-ref pot when the SCADA is offline for maintenance. Power generation: boiler feed pumps, FD/ID fans, and circulating-water pumps on utility units often spec ACS800 for the 50 Hz / 4-pole 6 kV motor class, and the UFC719AE01​ handles the local permit/reset IO that the turbine DCS considers “always-available.”Brownfield replacement is the overwhelming buyer journey now: ACS600 is effectively legacy (ABB declared end-of-support in phases), ACS800 is mature but still serviced. The UFC719AE01​ fails after 12–15 years — electrolytic caps on the local regulator section dry, fiber transceiver ages, connector pins oxidize in humid pump houses. Plants buy tested-surplus UFC719AE01​ units to keep a bay of ACS800s alive while evaluating an ACS880 migration that may be 24 months out. The rev-suffix question (“AE01 vs AE02”) gets decided at reorder — if the existing rack has AE01 and the drive firmware is mid-life, staying AE01 is safe; if the drive had a firmware bump during a previous repair, AE02 may be required.

Related Products

• UFC719AE02 / UFC719AE03​ — Later rev iterations of the same UFC719AE01​ board; component/RoHS updates, electrically/mechanically near-identical — verify drive firmware compatibility before substituting AE01 ↔ AE02.
• AINT-02 (3BSE0…)​ — ABB ACS800 analog interface board; typically shares the same control-rack with UFC719AE01, handles thermistor/motor-temp and additional analog I/O beyond what the UFC provides.
• AINP-01​ — ABB ACS800 analog input daughter (voltage/current follower), adjacent card to UFC719AE01​ in the control-rack stack.
• RINT-xx (e.g., RINT-551x, RINT-661x)​ — ABB ACS800 rectifier-interface board; sits in the same control-rack, handles power-stage gate signals; failure on RINT is sometimes misdiagnosed as UFC issue because both report to the same CPU.
• AMPL-01​ — ABB ACS800 amplifier card (gate-driver amplification for power-stage); same control-rack neighborhood as UFC719AE01.
• RDCO-0x / RDCU-12C​ — ABB drive communication / control CPU boards; the UFC719AE01​ fiber-links to these — if the CPU throws “I/O board not found,” check both ends.
• YT715 / YM series 24 VDC PSU​ — ABB control-power supply that feeds the UFC719AE01​ 24 VDC backplane rail; often replaced alongside UFC during a full control-rack refresh.
• 3BSE018161R1 (AC 800M PM8xx)​ — Not directly related (that’s DCS), but plants with both ACS800 drives and AC 800M DCS often have both 3BHB (drives) and 3BSE (DCS) spares on the same shelf — useful cross-reference for spare-parts buyers.