CSE-M73A User Manual Ver. 1.0
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8.3
Data Communication Problem on the Serial
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Connection of Pins
Check if the connection of each pin is right. Using cables, users choose the right type
of cable which is suitable for the device. Transmit Data (TXD) pin should be
connected with Receive Data (RXD) pin. Look at the figure 8-1.
Figure 8-1 RS232 connection
Figure 8-2 RS422 connection
Figure 8-3 RS485 connection
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Setting parameters
Check if all the serial port parameters like Baud Rate, Data bit, Stop bit and Parity are
properly set.
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