34
INVERTER SETTING
4.4 Inverter reset
Operation conditions of inverter reset
Which resetting method is allowed or not allowed in each operation mode is described below.
Inverter reset can be made any time.
Reset can be made only when the protective function of the inverter is activated.
NOTE
• When a communication line error has occurred, reset cannot be made from the network.
• The inverter is set to the External operation mode if it has been reset in Network operation mode in the initial status.
To resume the network operation, the inverter must be switched to the Network operation mode again.
Set a value other than "0" in
Pr.340
to start in the Network operation mode. (Refer to
• Communication continues during inverter reset. The inverter cannot be controlled for about 1 s after release of a reset
command.
• Refer to
for an inverter reset program example.
Resetting method
Operation mode
Network
operation
External
operation
PU operation
Reset from the
network
Inverter reset (Refer to
Allowed
Disallowed
Disallowed
Error reset at inverter fault
(Refer to
Pr.349
= 0
Allowed
Allowed
Allowed
Pr.349
= 1
Disallowed
Disallowed
Turn on the RES signal (terminal RES) of the inverter
Allowed
Allowed
Allowed
Switch off inverter power
Allowed
Allowed
Allowed
Reset from the PU/
DU
Inverter reset
Allowed
Allowed
Allowed
Reset at inverter fault
Allowed
Allowed
Allowed