Mitsubishi Electric FR-A820-00046 Instruction Manual page 835

Parameters
Displaying and clearing the communication error count (Pr. 501)
● When a communication option is used, the cumulative count of communication error occurrences
can be displayed. Write "0" to clear this cumulative count.
● At the point of communication line error occurrence, Pr. 501 "Communication error occurrence
count display" is incremented by 1.
Fig. 5-316:
NOTE Communication error count is temporarily stored in the RAM memory. The error count is stored in
EEPROM only once per hour. If power reset or inverter reset is performed, Pr. 501 setting will be
the one that is last stored to EEPROM depending on the reset timing.
Error reset operation selection at inverter fault (Pr. 349)
● An error reset command from the communication option can be invalidated in the External
operation mode or the PU operation mode.
● For FR-A800-E: In the External operation mode or the PU operation mode, use this parameter to
disable an error reset command sent through the Ethernet network (CC-Link IE Field Network
Basic) or from a communication option.
Pr. 349 setting
0 (initial value)
1
Tab. 5-274: Pr. 349 settings
FR-A800
Count timing depending on
communication line status
Communication error count
Description
Error reset is enabled independently of operation mode
Error reset is enabled only in the network operation mode
(N) Operation via communication and its settings
Normal Error Normal
Incremented by 1
Error
Incremented by 1
I002853E
5 - 633