LT8978b-V1 HIEE320639R1 Unit Excitation PLC Board  

Product Manual：

LT8978b-V1 HIEE320639R1 is an ABB excitation regulation control board used for excitation logic operation and signal processing of generator sets.

1. Complete the excitation closed-loop regulation operation, with high precision in voltage regulation control
2. Multi channel analog acquisition, receiving voltage and current feedback signals
3. Onboard electrical isolation to resist on-site electromagnetic interference
4. Equipped with over excitation, under excitation, and PT disconnection fault detection
5. Support channel fault self-test and output fault alarm signals
6. Slot rack installation, docking system backplane bus
7. Support dual channel interference free switching to enhance system reliability

8. LED status light, visually viewing the operation status of the board
9. 24V DC power supply, low module power consumption
10. Circuit board protective coating, dustproof and moisture-proof
11. Fast signal response to meet real-time excitation regulation requirements
12. Support manual and automatic mode switching logic processing
13. Modular design, easy disassembly and replacement of spare parts
14. Anti vibration and shock resistance, suitable for the working conditions of power plant control cabinets
15. Complies with EMC standards and supports long-term continuous operation

LT8978b-V1 HIEE320639R1 is mainly used in the excitation control system of generator sets to achieve logical control of excitation regulation.

Product detailed pictures：

LT8978b‑V1 HIEE320639R1

product video

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