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Chengdu Ebyte Electronic Technology Co.,Ltd.
Baud rate：
Check digit：
(3) Basic parameter reading steps (as shown in Figure 4-9 below)
Steps: Select the correct COM port number → switch to the default serial port parameters according to Table 4-1 → click
"Open Serial Port" → click "Search/Read Device" → read successfully.
The basic parameters of the product can be read. (If there is any abnormality, please refer to the exception handling
chapter of "The device cannot be searched by the configuration software")
4.2.3 Serial port parameter change, write and restore default
(1) Write content of serial port parameters: baud rate, check bit, data bit, stop bit.
(2) This function can only be changed and written when 485 data transparent transmission is turned on, in order to match
the serial port parameters of other products of the user. In other cases, users are advised not to change the serial port
parameters of this product.
(3) Steps (as shown in Figure 4-10 below): Select the correct COM port number and correct (default) parameters → click
"Open Serial Port" (if the parameters have been changed and forgotten, they can be restored to factory settings) →
"Search/Read Device" → Read successfully → Change as required: baud rate, parity bit, data bit, stop bit parameters →
click "Write" → "Log" column to see a successful prompt → click "Save" → click "Restart" → complete changes
Next, you can verify → under the newly written serial port parameters → click "close serial port" → click "open serial
port" again → "search/read device" → read successfully, then the settings are changed.
Chengdu Ebyte Electronic Technology Co.,Ltd.
Copyright ©2012–2020，
Table 4-1
9600 bps
None（无校验位）
Figure 4-9 Basic parameter reading
Data bits：
8
Stop bit：
1
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