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Selection of operation mode and operation location
4.18 Selection of operation mode and operation location
4.18.1 Operation mode selection (Pr. 79)
Purpose
Parameter that should be Set
Refer to Page
Operation mode selection
Operation mode selection
Pr. 79
Started in network operation mode
Operation mode at power-on
Pr. 79, Pr. 340
Selection of operation location
Operation command source and 
speed command source during 
communication operation, selection 
of operation location
Pr. 338, Pr. 339
Pr. 551
Used to select the operation mode of the inverter.
Mode can be changed as desired among operation using external command signals (external operation), operation
from the operation panel and PU (FR-PU07/FR-PU04) (PU operation), combined operation of PU operation and
external operation (external/PU combined operation), and network operation (when RS-485 communication is used).
Parameter 
Number
Name
Initial 
Value
Setting 
Range
Description
LED Indication
:Off
:On
79
Operation 
mode 
selection
0
0
Use external/PU switchover mode (
) to switch between the 
PU and external operation mode.
At power on, the inverter is in the external operation mode.
External operation 
mode
PU operation mode
1
Fixed to PU operation mode
2
Fixed to external operation mode
Operation can be performed by switching between the external
and Net operation mode.
External operation 
mode
NET operation mode
3
External/PU combined operation mode 1
Frequency command
Start command
Operation panel and PU (FR-
PU04/FR-PU07) setting or 
external signal input (multi-speed 
setting, across terminals 4-5 (valid 
when AU signal turns on)). 
External signal input
(terminal STF, STR)
4
External/PU combined operation mode 2
Frequency command
Start command
External signal input
(terminal 2, 4, JOG, multi-speed
selection, etc.)
Enter from 
of the operation 
panel and 
 and 
 of the 
PU (FR-PU04/FR-PU07)
6
Switchover mode
Switchover among PU operation, external operation, and NET
operation is available while keeping the same operation status.
PU operation mode
External operation 
mode
NET operation mode
7
External operation mode (PU operation interlock)
X12 signal ON
Operation mode can be switched to the PU operation mode.
(output stop during external operation)
X12 signal OFF
Operation mode can not be switched to the PU operation mode.
PU operation mode
External operation 
mode
The above parameter can be changed during a stop in any operation mode.
∗ The priorities of the frequency commands when Pr. 79 = "3" are "Multi-speed operation (RL/RM/RH/REX) > PID control (X14) > terminal 4 analog input (AU)
> digital input from the operation panel".