6 Application example: Modbus TCP
6.4 Parameterization of modules
132
XI/ON: XNE-GWBR-2ETH-MB
10/2011 MN05002008Z-EN
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Thus, for setting the baudrate to "71000 bps", bits 0 to 3, in byte 2 in register 0×B121 have to
be set. The value "0110 (0×06) = 71000bps" has to be written into byte 2.
The value 0×1906 is written in register 0×B121:
Byte 2: 0×06 (change in parameters)
Byte 3: 0×19 (default setting)
Table 69:
Module
parameters
XN-1SSI
A
Default-
settings
Byte
Bit
Parameter name
Value, meaning
2
3 to 0
Data rate
0000 = 1000000 bps
0001 = 500000 bps
A
0010 = 250000 bps
0011 = 125000 bps
0100 = 100000 bps
0101 = 83000 bps
0110 = 71000 bps
0111 = 62500 bps
... reserved
7 to 4
reserved
3
5 to 0
Data frame bits
00000 to 100000
Number of bits of the SSI data frame.
SSI_FRAME_LEN must always be
greater than INVALID_BITS.
Default: 25 = 19hex
6
reserved
7
Data format
Binary coded
A
– SSI encoder sends data in binary code
GRAY coded
– SSI encoder sends data in Gray code
Figure 63:
Parameteriza-
tion of XN-1SSI
A
register-no.
B
register-value
A
B