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Selection of operation mode and operation location
4
4.23 Selection of operation mode and operation location
4.23.1 Operation mode selection (Pr. 79)
*1
This parameter allows its setting to be changed in any operation mode even if "0 (initial value) or 1" is set in Pr. 77 Parameter write selection.
*2
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".
Purpose
Parameter that must 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 control location
Selection of control source, speed 
command source and control location 
during communication operation
Pr. 338, Pr. 339, 
Pr. 550, Pr. 551
Use the following parameter to select the operation mode of the inverter.
Mode can be changed as desired between operation using external signals (external operation), operation from
the PU (FR-DU07/FR-PU07/FR-PU04), combined operation of PU operation and external operation (external/PU
combined operation, and network operation (when RS-485 terminals or a communication option 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.
PU operation mode
External operation mode
NET operation mode
1
Fixed to PU operation mode
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
External/PU combined 
operation mode
Running frequency
Start signal
PU (FR-DU07/FR-PU04/FR-
PU07) setting or external signal 
input (multi-speed setting, 
across terminals 4 and 5 (valid 
when AU signal turns on)).
External signal input 
(terminal STF, STR)
4
External/PU combined operation mode 2
Running frequency
Start signal
External signal input
(Terminal 2, 4, 1, JOG, multi-
speed selection, etc.)
Input from the PU (FR-
DU07/FR-PU04/FR-
PU07)
 
 
(
)
6
Switch-over mode
Switch among PU operation, external operation, and NET
operation while keeping the same operating 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 cannot be switched to the PU
operation mode.