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Station 1, baud rate 19200bps, 8 data bits, 1 stop bit, even check
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
Communication parameters setting are as below table:
Attention:
After changing the parameters in Flash register, it is need to reboot the XMP to make the setting
become effective.
Number
FD8220
FD8221
FD8222
com
FD8223
port
FD8224
FD8225
FD8226
The way of setting communication parameters:
FD8221:
15
14
13
12
11
0ÿ No check
1ÿ Odd check
2ÿ Even check
Function
Communication mode
( station number )
Communication format
ASC timeout judgment time
Reply timeout judgment time
Start symbol
End symbol
Free format setting
10
9
8
7
0ÿ 2 stop bits
2ÿ 1stop bit
Description
255 is free format,
1~254 is modbus station number
Baud rate, data bit, stop bit, check
Unit: ms, 0 means no timeout waiting
Unit: ms, 0 means no timeout waiting
High 8 bits invalid
High 8 bits invalid
8/16 bits cushion,
with/without start bit,
with/without stop bit
6
5
4
3
2
0ÿ 8bits data
1ÿ 7bits data
1
0
0ÿ 300bps
1ÿ 600bps
2ÿ 1200 bps
3ÿ 2400 bps
4ÿ 4800 bps
5ÿ 9600 bps
6ÿ 19.2K bps
7ÿ 38.4K bps
8ÿ 57.6K bps
9ÿ 115.2K bps
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