198
Communication operation and setting
Model information monitor
(7) Pr. 343 Communication error count
You can check the cumulative number of communication errors.
(8) Output terminal LF "alarm output (communication error warnings)"
During a communication error, the alarm signal (LF signal) is output by open collector output. Assign the used terminal
using Pr. 190 or Pr. 192 (output terminal function selection).
Register Definition Read/Write Remarks
44001 to
44010
Drive unit
model
Read
Reading drive unit model in ASCII code.
"H20" (blank code) is set for blank area
Example of FR-D720-G
H46, H52, H2D, H44, H37, H32, H30, H2D, H47, H20................H20
44011 to
44013
Capacity Read
Reading drive unit capacity in ASCII code.
Data is read in increments of 0.1kW, and rounds down to 0.01kW
increments
"H20" (blank code) is set for blank area
Example
0.75K............... " 7" (H20, H20, H20, H20, H20, H37)
Parameter Setting Range
Minimum
Setting Range
Initial Value
343 (Reading only) 1 0
NOTE
The number of communication errors is temporarily stored into the RAM. As it is not stored into the EEPROM
performing a power supply reset or drive unit reset clears the value to 0.
NOTE
The LF signal can be assigned to the output terminal using Pr. 190 or Pr. 192. Changing the terminal assignment may
affect the other functions. Set parameters after confirming the function of each terminal.
Alarm data
Reply data
Master
Slave
Communication
Error count
(Pr. 343)
0
LF signal
Normal dataAlarm data Alarm data Normal data
Reply data
12
OFF
ON
OFF OFF
ON
Not increased
Communication error count is increased
in synchronization with leading edge
of LF signal
Turns OFF when normal data is received
Alarm data: Data resulting in communication error.
