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Communication operation and setting
4
PARAMETERS
4.20.5 Operation selection at communication error (Pr.502, Pr.779)
For communication using RS-485 terminals or a communication option, operation at a communication error can
be selected. The operation is active under the Network operation mode.
Parameter
Number
Name
Initial
Value
Setting
Range
Description
502
Stop mode selection at
communication error
0
At error
occurrence
Indication
Fault
output
At error
removal
0
Coasts to
stop
E.SER* Output
Stops
(E.SER)*
1
Decelerates
to stop
E.SER after
stop*
Output after
stop
Stops
(E.SER)*
2
Decelerates
to stop
E.SER after
stop*
Without
output
Restarts
3
Continues
running at
Pr. 779
⎯
Without
output
Operates
normally
779
Operation frequency
during communication
error
9999
0 to 400Hz
Motor runs at the specified frequency at a communication
error.
9999
Motor runs at the frequency used before the
communication error.
* E.OP1 appears when using a communication option.
The above parameters can be set when Pr. 160 User group read selection = "0." (Refer to page 201.)
....... Specifications differ according to the date assembled. Refer to page 378 to check the SERIAL number.