Are you still using [ 206 Pretest.mtp ] ?
1) The HMI is set to RS232. It needs to be RS485 4W.
[ Edit ] [System Parameters ] [ Device ]
Double click [Local PLC 1 ]
Change [ PLC I/F: ] from RS232 to RS-485 4W
2) The baud rate is 9600. Change it to [ COM1 (19200, E,7,1) ]
Leave station number at default of [ 1 ].
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