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6.2.1 Notes for Logging
Mode A: Channel Logging Menu
When you invoke the Channel Logging mode A (On) or a (Off), you will be
prompted with the message:
Enter M for MBP initiated sessions
T for TCP initiated sessions
B for both
Session initiator? _
Enter: M to select sessions initiated from Modbus Plus, T for sessions initiated
from TCP/IP, or B to select sessions initiated from either network.
Next you will be prompted:
Please enter the sessions you want to (un)log (a-p)
Enter X when done, T to log all sessions
Session? _
Channels are identified by 16 letters: a...p. The channels are made available to
incoming transactions as they become open within the bridge, with p being the
first available channel. Note that the letters a...p correspond to the sequence in
which the channels are made available. They do not correspond to a specific
Program path or Data path number.
For example, if the bridge is inactive when it receives a transaction, the transaction
will be processed on channel p. If the transaction is initiated from Modsoft and
requires both a Program path and a Data path, then it will be processed on two
channels, p and o.
Channels are freed for new transactions in the order p ----> a as they become
available.
Saving the Logging Status and Log File
The current logging mode is saved to the WATTCP.CFG file in the field:
log_level=<level>
where <level> is the currently selected mode.
defaults are: log_errors (all TCP/IP and routine errors)
log_channels (all channels)
log_messages (all routine messages)
Both the WATTCP.CFG and the BRIDGE.LOG file can be uploaded to a host.