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With this Modbus Gateway is a Modbus TCP Server (Slave) implemented. The Gateway is the Modbus TCP telegrams transparently to the Gateway connected Modbus-RTU slaves. Queries from one Modbus TCP client (Master) on the slaves in the Modbus-RTU network by the gateway to Modbus-RTU. Be reversed response message frames of the Modbus-RTU slave for the MODBUS-TCP client through the gateway also transparent passed on.Thus, this Modbus Gateway MODBUS-TCP clients communicate with one or more Modbus-RTU slave.The physical connection of the Modbus Gateway Modbus-RTU is done for RS-232 via a 9-pin Sub-D connector, for RS-485 via a RJ12 connector. The connection to the Ethernet side (MODBUS-TCP) is done by a conventional RJ45 connector.This text is machine translated.