![]() ![]() If the wires are already connected to the dongle, remove and reconnect them, being sure to check for broken wires (which can be a common issue). If there is a communication error, you will see show in the log toward the bottom of the window.Ĭonfirm the wires from the gateway are connected to the USB dongle as per the following image. To check the gateway’s communication response with the Serial Modbus Gateway Utility: select Gateway Commands > Check Wireless State. This article will provide steps for troubleshooting this issue. This indicates there is a communication error and is generally a result of a configuration or wiring issue. When first configuring (or on occasion after setup is complete), you may see an error indicating “RX Timeout!” when sending a command or poll to the Serial MODBUS Gateway.
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