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Chapter
9
Event log and details of events
Events can be classified into four types.
◎
Receiving event (when bit 7 is "1")
Bit
0
Unused
1
Communication error
2
Unused
3
Unused
4
Character overrun
5
In listen-only mode ("0" on the F701-P)
6
Receiving broadcast
7
1
◎
Sending event (when bit 7 is "0")
Bit
0
Sending exception code 1 to 3
1
Sending exception code 4
2
0
3
0
4
Send and write timeout
5
In listen-only mode ("0" on the F701-P)
6
1
7
0
◎
Slave in listen-only mode
In listen-only mode, 04 is recorded.
◎
Communication initialized by Communication restart
This event is recorded when communications are restarted.
The event becomes 00.
If each slave is in Continue-on-error mode, the event is written in the existing log.
If in Stop-on-error mode, the log is cleared and 00 is written in event 0.
(The F701-P is fixed in Stop-on-error mode.)
Summary of Contents for F701-P
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