| 摘要 |
FIELD: power engineering. ^ SUBSTANCE: device comprises photodetector connected with the input of the unit for converting the signal of photodetector into frequency whose output is connected with the first input of the channel of signal processing and output of the channel is connected with the actuating member and first signaling device, comparator whose input is connected with the output of the converter of the photodiode signal and output is connected with the input of the time relay whose output is connected with the second signaling device, light diode optically connected with the photodetector, timer, and converter whose output is connected with the second input of the channel for processing signal. ^ EFFECT: enhanced reliability. |
