Rs232 To Rs485 Wiring Diagram
Rs 485 also known as tia 485 a eia 485 is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems.
Rs232 to rs485 wiring diagram. Argus 7sr22 7sr210 7sr220. Argus 7sr21 relays pdf manual download. Control the raspberry pi over rs232 or connect to external serial accessories. Pinout of rs232 to rs485 cable and layout of 9 pin d sub female connectorelectrically isolated rs485 communication interface to the pc serial port.
Rs485 is sometimes termed as rs485 multidrop lan since it can connect several devices in a. Rs485 multidrop wiring diagram. Using labview with serial rs232 rs485 data acquisition interfaces. View and download siemens argus 7sr21 installation manual online.
Master micro controller board with twelve 0 5vdc sensor inputs four 5vdc digital inputs ten 230vac 63amp relay outputs four 0 10vdc. Kwh sweden datasheet cross reference circuit and application notes in pdf format.
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