Product Description XI/ON - Eaton Automation

XI/ON: Gateways for Modbus TCP 6 Application example: Modbus TCP
6.5.1 Group diagnosis within the process input data:
Figure 63:
Group diagnosis
in the process
data
A group diagnosis
Table 58:
Group diagnosis,
byte 0,
Value: 0×08
Table 59:
Group diagnosis,
byte 1, value 0×02
Group diagnosis message: 0×02 0×08
Byte 0 (modules 0 to 7): 0×08
→ Bits 3 is set, which means module 3 sends a diagnostic message:
Bit 7 6 5 4 3 2 1 0
Value 0 0 0 0 1 0 0 0
Byte 1 (modules 8 to 15): 0×02
→ Bit 1 is set, module 9 sends a diagnosis message.
Bit 7 6 5 4 3 2 1 0
Value 0 0 0 0 0 0 1 0
146 M001973-01, 07/2007
A