GalileoSky GLONASS User Manual
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GalileoSky GLONASS/GPS v5.1 (223) User’s ManualGalileoSky Ltd Page 338.5.2 Connecting DS18S20 (DS1820, DS18B20) thermometers and DS1923temperature and humidity sensorsIt is possible to connect up to 8 DS18S20 thermometers and 8 DS1923 sensors. To use the sensors connectthem to 1-Wire and GND contacts (Contacts description) and activate the corresponding protocol items(Server exchange protocol settings, Table 2. GalileoSky protocol tags). There is no any linkage between athermometer or humidity sensor and a certain tag cell in the protocol. All data are stored in memory cells ina definite order: from a lower tag to a higher tag. If the number of cells exceeds the number of thermometersof one type , the extra higher cells will contain the data which correspond to disconnected sensor state.By temperature sensor turning off the thermometer field shows disconnection (-128ºC).By humidity sensor turning off the humidity field shows disconnection (0%).8.6 Connecting Autoinformer speakerSpeakerNot less than 8 Ohm8.7 Transistor outputs (0/1)To operate external devices there are 4 discrete «open collector» outputs (section Contacts description) inthe Terminal. The maximum output voltage is -+30V, each output current is no more than 80mA.The Terminal outputs values are stored in the nonvolatile memory, so the device sets these stored valueseven after being reset.To operate outputs use Out command (section Transistor outputs settings) or the Settings/Inputs/Outputstab in the Configurator.OUT0…OUT3 outputs relay connection circuitVol2Vol1Relay wiring or other inductive loadOUT0..OUT3 +( 12..30 ) V1N5402..1N5408 diodeor an analogous one for 3 А direct currentand reverse voltage at least 200 VGALILEO Terminal |
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