The ABB UFC911B101 full assembly with part number 3BHE037864R0101 is a high-performance modular control interface board belonging to ABB medium voltage drive control series, serving as the core bridge between drive power units, field sensors and upper-layer PLC/SCADA systems. This PCB integrates high-speed signal acquisition, local closed-loop control and multi-network protocol conversion functions, eliminating extra signal relay modules in control cabinets. Powered by a 200MHz independent 32-bit RISC core with 32MB RAM + 64MB Flash storage, it undertakes real-time drive logic calculation, voltage/current sampling and fault event recording without occupying central controller computing resources. Every complete kit undergoes full aging and functional testing at ABB factory; conformal coating, surge protection and reinforced isolation design guarantee stable operation in high-dust, high-humidity and strong electromagnetic interference industrial environments. It is the standard replacement spare part for aging ACS1000/ACS6000 medium voltage converters and widely deployed in global energy and heavy process industries.
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Main Processor: 32-bit RISC CPU, 200MHz clock frequency
Memory: 32MB RAM, 64MB non-volatile Flash memory
Power Supply Input: DC 24V, allowable fluctuation 18V ~ 32V, operating current 15mA
Analog Input: 8 channels, 4-20mA / 0-10V switchable, sampling accuracy ±0.1% FS
Analog Output: 4 channels, 4-20mA standard signal, maximum load resistance ≤500Ω
Digital Input: 16 channels, NPN/PNP compatible, response time ≤1ms
Digital Output: 8 relay channels, rated load 2A / 250VAC
Control Algorithm: Native PID, sequential interlock, motor overcurrent/overtemperature limit logic
Dual Ethernet RJ45: Modbus TCP/IP
Isolated RS485 Terminal: Modbus RTU, PROFIBUS DP
Front USB Port: Local parameter download & debugging
Port Isolation Grade: 1500V AC isolation for all communication & signal terminals
Installation: Standard rack-mount modular design, hot-swappable
Overall Dimension: 236mm × 136mm × 106mm
Net Weight (Single Board): 0.48kg; Full Kit Weight: 0.85kg
Operating Temperature: -20℃ ~ +60℃ continuous stable operation
Storage Temperature: -40℃ ~ +85℃
Ambient Humidity: 5% ~ 95% non-condensing
PCB Protection: Full conformal coating against dust, moisture and corrosive gas
Cabinet Protection Grade: IP20 when fully installed
Electromagnetic Compliance: IEC 61000-6-2, CE certified
Matching Medium Voltage Drives: ABB ACS1000, ACS6000 series inverters
Control System Compatibility: ABB AC800M PLC, Symphony Plus DCS
Official Commissioning Tool: Control Builder M PC Software
Event Recording: Up to 1000 timestamped fault & operation logs stored locally
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Independent high-speed 200MHz RISC processor, offloads central controller by local closed-loop control calculation
Integrated multi-type analog & digital I/O, direct connection with field sensors and actuators without external signal converters
Dual Ethernet + isolated RS485 multi-protocol communication, built-in protocol conversion gateway function
Full conformal coated PCB and 1.5kV port isolation, outstanding anti-interference performance for high-EMI industrial sites
Complete self-diagnosis system with LED status lights, timestamp fault log storage and automatic watchdog recovery
Hot-swappable rack modular design, supports online replacement without system power outage
Wide DC 24V power input tolerance, adapts to unstable industrial cabinet power supply
Native motor protection logic (overcurrent, overtemperature, V/Hz limit) integrated, simplifies upper program development
Full factory functional aging test for each complete kit, zero early failure rate before delivery
Standardized ABB spare part, fully interchangeable with original UFC911B101 stock units
All-in-one Complete Kit: Pre-matched terminal blocks, communication cables and operation manual, one-stop procurement saves sourcing time
Cabinet Space Saving: Integrated I/O + communication board reduces extra signal module occupation inside control cabinets
Low Maintenance Cost: Industrial-grade long-lifetime PCB components, conformal coating extends service life in harsh environments
High Compatibility: Perfect match for ABB mainstream medium voltage drives and DCS platforms, ideal for equipment retrofits
Fast On-site Commissioning: Dedicated Control Builder M software with guided parameter tuning, lowers engineer operation threshold
Global Standard Certification: CE & IEC certified, meets export standards for overseas power and mining projects
Powerful Data Storage: Large Flash memory retains historical operation data for predictive equipment maintenance
Strong Environment Adaptability: Wide temperature range, anti-condensation and dust-proof design for mining, offshore and northern low-temperature sites
Medium Voltage Variable Frequency Drive Systems
ABB ACS1000 / ACS6000 high-power motor drive control
Fan, pump, compressor speed regulation for power plants
Large rolling mill & hoist motor control in metallurgy
Power Generation Industry
Hydro / thermal power station DCS signal acquisition & interlock control
Generator auxiliary equipment logic monitoring
Grid-connected converter cabinet control signal processing
Mining & Heavy Industry
Underground mine conveyor medium voltage drive control
Mineral crushing equipment motor closed-loop regulation
Mine ventilation fan variable frequency control systems
Oil & Gas Industry
Offshore platform independent power unit drive interface
Pipeline compressor medium voltage converter signal board
Refinery process parameter closed-loop control
Marine & Offshore Engineering
Vessel main medium voltage power drive control cabinets
Offshore wind turbine generator converter control
Industrial Automation Retrofit Projects
Replacement of aging original control boards for old ABB medium voltage drives
Upgrade reconstruction of traditional analog control cabinets to digital DCS systems
Chemical & Cement Plants
Kiln, raw material mill high-power motor drive logic control
Chemical reactor temperature & pressure PID closed-loop regulation
Do you provide global shipping services?
Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.
2. What payment methods and currencies do you accept?
To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.
How many parts do you currently have in stock?
We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.
Who can I contact if I encounter any problems?
Our experienced customer service team will handle any issues after you place your order.