| 摘要 |
Recording system of positional identification of the animal consists of two ultrasonic proximity sensors - master (5) and slave (6) placed in identical vertical plane, where the master (6) is on the front wall of the box and slave (5) is located above the center of the box into the ceiling structure, the master (6) and slave (5) ultrasonic distance meters are connected by supply line (11) and the communication line (12). Masters (6) of all boxes are connected to the data acquisition unit (2) via physical layer RS485 (10) and connected to a power source (4) via power line (9), wherein the data acquisition unit (2) is connected to the storage medium (1) or (3). |
