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RS-485
com port
RS-485 com port: Point A means " + " signal, point B means " – " signal.
Attention:
XP1/XMP1 series product can only be used as slaver station while using their RS-485 port to
communicate with other devices.
Communication parameter
Station No.
Modbus station No. : 1-254, 255(FF) is for free format communication
Baud rate
300bps~115.2Kbps
Data bit
8 or 7 bits
Stop bit
2 or 1 bits
Check
Even, odd, no check
The defaulted parameters of the port:
Station number is 1, baud rate is 19200bps, 8 data bit, 1 stop bit, even check
Parameter setting
User can set com port parameters. Please see below list for details.
Attention:
After changing the parameters in Flash register, it is need to reboot the XP/XMP to make the
setting become effective.
MODE ：
XP3- 1 8 R
SN ：
2 0 0 6 0 5 0 2 1 1 8
DATE ：
2 0 0 6 0 5 1 0
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