Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
The ABB HIEE400947R1 (UPB011 BE) Drive Control Board is a high-performance microprocessor-based control module designed specifically for integration within ABB UNITROL excitation systems and industrial drive architectures. This hardware serves as the primary intelligence node for regulating system parameters, managing firing circuits, and executing closed-loop control algorithms to ensure stable generator voltage and reactive power management.
Engineered for continuous operation in demanding electrical environments, the UPB011 BE board processes critical feedback signals and executes real-time diagnostics. It provides precise gating control, fault detection, and communication interface management between the excitation controller and higher-level distributed control systems (DCS) or supervisory networks.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Exact Model / Part Number | HIEE400947R1 / UPB011 BE |
| Product Type | Drive Control Board / Excitation Control Module |
| Product Range | UNITROL Excitation Systems |
| Country of Origin | Sweden |
| Net Weight | 0.58 kg |
| Dimensions | 26.1 cm x 19.7 cm x 4.0 cm |
| Mounting Type | Rack / Chassis mount within control cabinet |
| Communication Support | Proprietary bus / Ethernet router integration compatibility |
| Operating Status | Active system component |
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Returns & Warranty



The ABB HIEE400947R1 (UPB011 BE) Drive Control Board is a high-performance microprocessor-based control module designed specifically for integration within ABB UNITROL excitation systems and industrial drive architectures. This hardware serves as the primary intelligence node for regulating system parameters, managing firing circuits, and executing closed-loop control algorithms to ensure stable generator voltage and reactive power management.
Engineered for continuous operation in demanding electrical environments, the UPB011 BE board processes critical feedback signals and executes real-time diagnostics. It provides precise gating control, fault detection, and communication interface management between the excitation controller and higher-level distributed control systems (DCS) or supervisory networks.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Exact Model / Part Number | HIEE400947R1 / UPB011 BE |
| Product Type | Drive Control Board / Excitation Control Module |
| Product Range | UNITROL Excitation Systems |
| Country of Origin | Sweden |
| Net Weight | 0.58 kg |
| Dimensions | 26.1 cm x 19.7 cm x 4.0 cm |
| Mounting Type | Rack / Chassis mount within control cabinet |
| Communication Support | Proprietary bus / Ethernet router integration compatibility |
| Operating Status | Active system component |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Switzerland
|