ABB UFC911B104 (Order No.: 3BHE037864R0104, Alias: CVMI2B), Voltage‑Current Measurement Interface Board
- Warranty： 365 days
- Quality: Original module
- Condition： New / Used
- Warehouse: Spot
- Delivery time: Shipped in 3 days after payment
- Mailbox：plcvarious@foxmail.com
Introduction
Main Functions
- High‑precision voltage and current signal acquisition: Isolated sampling for main‑circuit voltage and current of converters with high‑precision A/D conversion, providing real‑time electrical feedback signals for master control unit to execute closed‑loop control algorithms.
- Power‑electronic algorithm support: Supply raw measurement data for advanced algorithms such as MP3C Model Predictive Pulse‑Pattern Control, optimize motor output performance, reduce harmonic distortion and improve overall efficiency.
ABB UFC911B104
- Signal isolation & anti‑interference: Galvanic isolation between high‑power main circuit and low‑voltage control circuit to suppress industrial electromagnetic interference and ensure stable sampling signals.
- Fault detection & protection triggering: Real‑time monitoring for abnormal voltage/current conditions; detect over‑current, over‑voltage, short‑circuit and other faults, report alarm signals and cooperate with main control board to trigger protective shutdown.
- High‑speed backplane bus communication: High‑speed data exchange with converter main‑control board via backplane bus, upload sampling data and fault status, receive configuration parameters from main controller.
- Status diagnosis: On‑board LED status indicators for module operation and fault feedback, convenient for on‑site commissioning, troubleshooting and maintenance.
ABB UFC911B104
Main Applications
This board is a dedicated measurement interface board (CVMI2B) for ABB ACS6080 medium‑voltage converter systems.
‑ Installed inside medium‑voltage converter cabinets, it collects voltage‑current signals from power units and acts as signal bridge between power units and main‑control processor.
‑ Applied in heavy‑duty medium‑voltage motor drive equipment for metallurgy, mining, marine, power generation and large‑scale chemical industries.
‑ Deliver high‑precision electrical measurement feedback for high‑power fans, water pumps and compressor drive systems, guarantee reliable execution of converter closed‑loop speed regulation and protection logic. It serves as critical spare part for medium‑voltage drive systems.
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