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PARAMETERS
111
(5) Communication specifications for RS-485 communication
Operation Mode
Operation
Location
Item
Communication
Operation from PU
Connector
Run command (start) Enable
Running frequency setting Enable
Monitoring Enable
Parameter write Enable (*2)
Parameter read Enable
Inverter reset Enable
Computer user
program via
PU connector
Stop command (*1) Enable
Inverter reset Enable
Run command Disable
Control circuit
terminal
Running frequency setting Disable
*1 As set in Pr. 75.
*2 As set in Pr. 77.
Note: At occurrence of RS-485 communication fault, the inverter cannot be reset
from the computer.
(6) Operation at alarm occurrence
Operation Mode
Fault Location Description
Communication
Operation
(PU connector)
Inverter operation Stop
Inverter fault
Communication PU connector Continued
Inverter operation Stop/continued (*3)Communication
error
(Communication
from PU
connector)
Communication PU connector Stop
*3: Can be selected using the corresponding parameter (factory-set to stop).
(7) Communication error
Fault Location Error Message Remarks
Communication error
(Communication from PU connector)
Not displayed Error code is E.PUE