86
6 Useful Functions
86
Useful Functions
Chapter
6
Event log / Event details
Events are categorized into four types.
◎ Receive event (when bit 7 is 1)
Bit
0 Unused
1 Communication error
2 Unused
3 Unused
4 Character overrun
5 Listen Only Mode (0 for F701+)
6 Receive broadcast
7 1
◎ Transmit event (when bit 7 is 0)
Bit
0 Transmit exception code 1 to 3
1 Transmit exception code 4
2 0
3 0
4 Transmit (write in) time out
5 Listen Only Mode (0 for F701+)
6 1
7 0
◎ Slave is in Listen Only Mode
04 is recorded for Listen Only Mode.
◎ Communication is initialized by Communication Restart
This event is recorded when communication restarts.
Event is 00.
If the slave device is in Continue on Error mode, the event is written in the existing log.
For Stop on Error mode, the log is cleared and 00 is written in event 0.
(The F701+ is fixed in Stop on Error mode.)