Pr.343 Communication Error Count; Output Signal Lf "Alarm Output (Communication Error Warning)" - Mitsubishi Electric FR-F800 Instruction Manual

(N) Operation via communication and its settings
Pr.343 Communication error count
• The communication error occurrence count can be checked.
Parameter Setting range
343 (Read only)
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).
Master
Slave
Communication
error count
(Pr. 343)
Signal LF
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.
478
PARAMETERS
setting range
1
Alarm data Alarm data
Not increased
0
OFF
ON
Communication error count is increased in
synchronization with leading edge of LF signal
Minimum
Initial value
0
Normal data
Reply data
1
OFF
Turns off when normal data is received
Alarm data
Normal data
ON
Alarm data : Data resulting in
communication error.
Reply data
2
OFF