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5.3 Modbus ASCII Master Mode
Refer to 4.1 MODBUS RTU master station mode configuration.
Just change the gateway working mode to:
Master Station ASCII mode. Save
compilation download.
When using Modbus Slave software for testing, choose the ASCII protocol when
establishing a connection.
Transfer the TIA project online and click on the monitoring table
The online
monitoring button allows you to view that the data collected by the PLC is consistent
with the serial port data of the 485 main station. When outputting data, fill in the
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