User`s manual

96
FX3U Series Programmable Controllers
User’s Manual - MODBUS Serial Communication Edition
9 Slave Specification
9.5 Communication Event log
4) When processing restart communications option:
The slave (FX-Series MODBUS Communication ADP) stores this kind of event to the communications
event log when processing the restart communications option.
00H is stored to the communications event log.
5) Clearing the communications event log
The communications event log can be cleared by either of the following:
Clear setting of the communications event log with the restart communications
option (Refer to Subsection 7.11.2).
Power OFF
→ ON or PLC state is turned from OFF→ ON.
0000000
0
b7 b6 b5 b4
b3
b2 b1 b0