6 Application example: Modbus TCP
6.3 Communication examples: Modbus TCP
XI/ON: XNE-GWBR-2ETH-MB
10/2011 MN05002008Z-EN
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125
– XN-1SSI
→
4 registers (0×0005 to 0×0008)
– register 0×0006: 0×
00
0×
02
– register 0×0007: 0×
00
0×
00
– register 0×0008: 0×
FF
0×
FF
– register 0×0009: 0×
01
0×
FF
→
In the SSI module, the status and diagnosis information is shown in the first byte of
the module’s process input data.
Byte 0, bit 1
→
the SSI module shows an error in the data image of the „Process input