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Serial protocol stx etx8/30/2023 ![]() The CPU can simultaneously support up to 32 TCP server/client and UDP sockets.Ĥ. Each Server can handle up to 16 simultaneous connections.ģ. You can define up to 4 TCP Servers that are dynamic in nature. IP used for TPC/IP server or client is the CPU IP.Ģ.For TCP/IP you'll use the Ethernet port.Note that in this case the USB to serial converter must work with Prolific drivers. For RS232 communication you may use the RS232 serial port of a Uni-COM module or connect a USB to serial converter to the USB host port.For RS485 communication you may use the serial port of the CPU or a RS485 of a Uni-COM module.Each group uses the same properties, which includes STX, ETX, and CRC options. It is possible to configure the UniStream PLCs to talk to 3rd party devices such as: frequency converters, RFID cards readers, bar-code readers, and printers with as long as they have proprietary protocol over serial RS232/RS485 or TCP/IP and you know the structure of this protocol.įor this you will use the COM Rx/Tx, TCP Rx/Tx functions and the protocol functions together with the Message Composer to build messages.
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