Instruction manual

134
PARAMETERS
(5) Communication specifications for RS-485 communication
*1. As set in Pr. 75 "reset selection/disconnected PU detection/PU stop selection".
*2. As set in Pr. 77 "parameter write disable selection".
(6) Operation at alarm occurrence
*3. Can be selected using the corresponding parameter (factory-set to stop).
(7) Communication error
Operation
Location
Item
Operation Mode
Communication
Operation from PU
Connector
External Operation
Computer
user program
via PU
connector
Run command (start) Enabled Disabled
Running frequency setting Enabled
Enabled
(Combined operation
mode)
Monitoring Enabled Enabled
Parameter write Enabled (*2) Disabled (*2)
Parameter read Enabled Enabled
Inverter reset Enabled Enabled
Stop command (*1) Enabled Enabled
Control circuit
terminal
Inverter reset Enabled Enabled
Run command Disabled Enabled
Running frequency setting Disabled Enabled
Note: At occurrence of RS-485 communication fault, the inverter cannot be reset from
the computer.
Fault Location Status
Operation Mode
Communication
Operation
(PU connector)
External
Operation
Inverter fault
Inverter operation Stop Stop
Communication PU connector Continued Continued
Communication error
(Communication from
PU connector)
Inverter operation Stop/continued (*3) Continued
Communication PU connector Stop Stop
Fault Location Error Message Remarks
Communication error
(Error in communication from PU connector)
Not displayed Error code is E.PUE
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