L-INX User Manual
253
LOYTEC
Version 4.0
LOYTEC electronics GmbH
running for an interesting time, the protocol data can be loaded from the device using the
Load From Device
button. The protocol data can be stored as CSV file using the
Save
button, with the
Clear
button, the shown protocol is deleted.
Figure 197: Modbus protocol analyzer.
Figure 198 shows a typical protocol analyzer output for the Modbus TCP port. It shows the
following information for TCP:
Seq.
: sequence number, which is automatically created in the device. This number
is unique for one port.
Timestamp:
transmission time.
Frame Type:
‗TCP‘ or ‗Damaged‘ when something happened with the frame.
Dir.
: direction. Either SND (send) or RCV (receive)
Trans ID:
Transaction ID
Prot ID:
Protocol ID
Unit ID:
Unit ID
Length:
Payload length of the data frame
Payload:
Payload in hexadecimal numbers (this column cannot be used for
sorting).
Figure 198: Typical protocol analyzer output for Modbus TCP port.
Figure 199 shows a typical protocol analyzer output for the Modbus RS-485 port. It shows
the following information for RS-485:
Seq.
: sequence number, which is automatically created in the device. This number
is unique for one port.
