Expressway slide slope disease automatic monitoring system
An automatic monitoring and expressway technology, applied in signal transmission systems, soil testing, instruments, etc., to achieve the effect of risk reduction and social stability
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[0028] Main technical index of the present invention
[0029] Monitoring data interface address: http: / / ym.
[0030] Input power supply voltage: 10-15VDC
[0031] Power consumption: online 12V20mA, power off 12V0.9mA
[0032] Signal type: rain = switch type, other sensors = 485 network
[0033] Network signal transmission: GSM900 / GSM1800 and GSM850 / GSM1900 bands
[0034] The technical scheme of the monitoring control and wireless data transmission part of the present invention: control the sensor measurement unit through the telemetry controller to collect data as needed, and then transmit the data through the GPRS wireless network;
[0035] The types of sensors supported by each instrument of the present invention: one rainfall, 30 other types of sensors, when the sensor signal is a 485 signal, it can be directly connected to the telemetry GPRS wireless data transmission instrument. When the sensor output is 4-20mA, gray code, 232, frequency and other signals, it must go ...
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