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TSXPCX3030+ is a multi-function programming cable which provides the serial connection and RS485 signal conversion through the USB interface. The cable is photoelectric isolated, with the overcurrent,surging, and transient overvoltage protection circuitry, which can be hot plug. It supports the long-distance communication.TSXPCX3030 + can be used for Modicon TSX Series PLC and PC or other equipment which don’t provide the traditional serial port for communication. The cable can connect with the TER communication port of TSX Premium (57), TSX Micro (37), TSX Nano (07), TSX Naza (08) and Twido PLC.The snap switch located on the TSXPCX3030+ programming cable are used to choose different operating modes. The cable rejects the way which the transceiving of the RS485 is controlled by the PLC, and all the data transceiving is automatically controlled. It can be used for multi-point and point-to-point communication applications.TER port of the TSX Series PLC have a DPT signal pin, which is used to determine its working mode. If the DPT is high-level, TER always work in the Uni-Telway Master (master station) mode, and it need under this mode for PLC programming.
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If the DPT is low level, the working mode of TER is decided by the PLC.TSXPCX3030+ principle and figure structure:Switch M / S corresponding modeSwitchFunctionDPT levelthe Control flow of dataMPLC works in main-station model for programming or as Uni-Telway Master for more points communications1autoSPLC works in slave-station model for other multi-point communication0autoThis product is the USB to RS485 isolated converters which with the protection, so it’s need to use the power of USB port and TER port.