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Mitsubishi Electric FR-CS84-012 Instruction Manual Page 193

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 Pr.343 Communication error count
• The communication error occurrence count can be checked.
Parameter
343
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.
 Alarm (LF) signal output (communication error warning)
• During a communication error, the Alarm (LF) signal is output by open collector output. Use
to assign the 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.195. Changing the terminal assignment may affect other
functions. Set parameters after confirming the function of each terminal.
192
5. PARAMETERS
5.11 (N) Communication operation parameters
Setting range
(Read-only)
Alarm data
Alarm data
Not increased
0
OFF
ON
Communication error count is increased in
synchronization with leading edge of LF signal
Minimum setting range
1
Normal data
Reply data
1
OFF
Turns off when normal data is received
Alarm data :
Initial value
0
Pr.195 (Output terminal function
Alarm data
Normal data
2
ON
Data resulting in
communication error.
Reply data
OFF

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