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Selection of operation mode and
operation location
(4) Operation at error occurrence
Operation
Error
Definition
Condition
(Pr. 551 setting)
Inverter fault
PU
2 (PU connector)
disconnection
of the PU
1 (RS-485 terminals)
connector
Communication
2 (PU connector)
error of PU
connector
1 (RS-485 terminals)
Communication
1 (RS-485 terminals)
error of RS-485
terminals
2 (PU connector)
Communication
error of
communication
option
*1
Can be selected using Pr. 75 Reset selection/disconnected PU detection/PU stop selection
*2
Can be selected using Pr. 122 PU communication check time interval or Pr. 336 RS-485 communication check time interval
*3
As controlled by the communication option.
*4
In the PU jog operation mode, operation is always stopped when the PU is disconnected. Whether fault (E.PUE) occurrence is allowed or not is as
set in Pr. 75 Reset selection/disconnected PU detection/PU stop selection.
*5
When Pr. 550 NET mode operation command source selection = 1 (RS-485 terminals valid) or Pr. 550 NET mode operation command source selection =
9999 and the communication option is not fitted
*6
When Pr. 550 NET mode operation command source selection = 0 (communication option valid) or Pr. 550 NET mode operation command source selection
= 9999 and the communication option is fitted
186
Mode
PU
External
Operation
Operation
Stop/
Continued
continued
*2
Stop/
Continued
continued
*2
External/PU
External/PU
Combined
Combined
Operation
Operation Mode
Mode 1
2
(Pr. 79 =3)
(Pr. 79 =4)
Stop
Stop/continued
Stop/continued
Stop/continued
*2
Continued
Stop/continued
*2
Continued
Continued
NET Operation
NET Operation
(when RS-485
communication
terminals are
option is used)
used)
*5
*1, 4
*1
Continued
Continued
Stop/continued
Continued
*2
Stop/continued
Continued
*3
(when
*6

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