Mitsubishi FR-A800

(N) Operation via communication and its settings
592
PARAMETERS
Pr.343 Communication error count
• The communication error occurrence count can be checked.
NOTE
• The communication error count is temporarily stored in the RAM memory. The value is not stored in EEPROM, and so is
cleared to 0 when power is reset and the inverter is reset.
Output signal LF "alarm output (communication error warning)"
• During a communication error, the alarm signal (LF signal) is output by open collector output. Assign the terminal to be
used using any of Pr.190 to Pr.196 (output terminal function selection).
NOTE
• The LF signal can be assigned to an output terminal by setting Pr.190 to Pr.196. Changing the terminal assignment may
affect other functions. Set parameters after confirming the function of each terminal.
Parameter Setting range
Minimum
setting range
Initial value
343 (Read only) 1 0
Alarm data
Reply data
Master
Slave
0
Signal LF
Normal dataAlarm data Alarm data
12
OFF
ON
OFF OFF
ON
Not increased
Turns off when normal data is received
Alarm data :
Normal data
Reply data
Communication error count is increased in
synchronization with leading edge of LF signal
Data resulting in
communication error.
Communication
error count
(Pr. 343)