The ABB UFC762AE101, also cataloged as the ABB 3BHE006412R0101 CVMI Interface Board, operates as a dedicated hardware component for synchronous voltage measurement and control execution within AC800M and excitation control networks.
| Parameter | Specification |
|---|---|
| Model | UFC762AE101 |
| Part Number | 3BHE006412R0101 |
| Brand | ABB |
| Series | AC800M / Unitrol / Excitation Systems |
| Module Type | Control and Voltage Measurement Interface (CVMI) |
| Power Consumption | 24 VDC Nominal |
| Redundancy | Dual-channel redundant architecture support |
| Interface Network Protocols | Modbus TCP/RTU, Profibus DP, Ethernet |
| Cycle Response Time | Less than or equal to 10 ms |
| Operating Temp | -10 to +55 deg C |
| Mounting Type | Standard ABB I/O rack or panel mount |
| Reliability (MTBF) | Greater than 75 years in TMR configurations |
| Dimensions | Standard ABB controller rack interface dimensions |
| Weight | 0.6 kg |
| Origin | Switzerland |
The ABB UFC762AE101 integrates directly into backplane bus communication velocity frameworks to manage high-speed data exchanges between field instruments and the processor core. This processing speed allows for precise I/O density scaling during massive voltage tracking sequences without degrading communication response times. Operating on synchronous communication architectures, the module bridges field data to Profinet or EtherNet/IP deterministic networks to execute real-time loop feedback loops. Furthermore, the unit features built-in firmware flash compatibility parameters, allowing verified system software upgrades to occur via the centralized backplane without altering hardware wiring or interrupting concurrent system monitoring tasks.
Q: How does the UFC762AE101 manage data transmission delays during a dual-channel processor switchover?
A: The board features hardware-arbitrated redundancy logic that achieves switchover execution within the 10 ms processing cycle limit. This timing parameter ensures that backplane bus communication remains deterministic and uninterrupted during a failure.
Q: Is the firmware flash memory on this CVMI board compatible with hot-swapping procedures?
A: No. While the hardware architecture supports live physical insertion into a powered subrack, firmware flash updates require the module to be placed in an isolated configuration mode to prevent data corruption or unintended device behavior on the local bus.
Q: What are the backplane current budget considerations for allocating multiple UFC762AE101 boards in a single slot subrack?
A: Each interface board operates primarily on the local 24 VDC subrack power bus. System layout design must account for total power consumption metrics based on the cumulative maximum load values to prevent voltage drops along the internal bus rails.
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