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 Operation mode selection flow
Referring to the following table, select the basic parameter settings or terminal wiring related to the operation mode.
Method to give
start command
Using external
signals (via terminal
STF/STR)
From PU (using
FWD/REV key)
Through
communication (via
RS-485 terminals)
Through
communication (via
communication
option)
 External operation mode (Pr.79 = "0 (initial value) or 2")
• Select the External operation mode when the start command and the frequency command are applied from a frequency
setting potentiometer, start switch, etc. which are provided externally and connected to the control circuit terminals of the
inverter.
232
5. PARAMETERS
5.6 (D) Operation command and frequency command
Method to give
frequency setting
command
Using external signals
Terminals STF (forward
(input via terminal 2/4,
rotation)/STR (reverse
using the JOG signal,
rotation) (refer to
using the multi-speed
2/4 (analog), RL, RM, RH,
setting function, etc.)
JOG, etc.
Terminal STF (forward
From PU (digital setting)
rotation)/STR (reverse
rotation) (refer to
Terminal STF (forward
rotation)/STR (reverse
Through communication
rotation) (refer to
(via RS-485 terminals)
RS-485 terminals (refer to
page
Through communication
Terminals on communication
(via communication
option (refer to the Instruction
option)
Manual of the option)
Using external signals
(input via terminal 2/4,
Terminals 2/4 (analog), RL,
using the JOG signal,
RM, RH, JOG, etc.
using the multi-speed
setting function, etc.)
From PU (digital setting)
Through communication
(via RS-485 terminals /
Not available.
communication option)
Using external signals
RS-485 terminals (refer to
(input via terminal 2/4,
page
using the JOG signal,
(analog), RL, RM, RH, JOG,
using the multi-speed
etc.
setting function, etc.)
From PU (digital setting)
Not available.
Through communication
RS-485 terminals (refer to
(via RS-485 terminals)
page
Using external signals
Terminals on communication
(input via terminal 2/4,
option (refer to the Instruction
using the JOG signal,
Manual of the option),
using the multi-speed
terminals 2/4 (analog), RL,
setting function, etc.)
RM, RH, JOG, etc.
From PU (digital setting)
Not available.
Through communication
Terminals on communication
(via communication
option (refer to the Instruction
option)
Manual of the option)
Input interface
Parameter setting
Pr.79 = "2" (Fixed
page
359),
at External
operation mode)
Pr.79 = "3"
(External/PU
combined
page
359)
operation mode 1)
Pr.338 = "1"
page
359),
Pr.340 = "1 or 2"
475)
Pr.338 = "1"
Pr.340 = "1"
Pr.79 = "4"
(External/PU
combined
operation mode 2)
Pr.79 = "1" (Fixed
at PU operation
mode)
475), terminals 2/4
Pr.339 = "1"
Pr.340 = "1 or 2"
Pr.340 = "1 or 2"
475)
Pr.339 = "1"
Pr.340 = "1"
Pr.340 = "1"
Operation method
• Frequency setting:
Turn ON a terminal used for
frequency setting.
• Start command:
Turn ON terminal STF/STR.
• Frequency setting:
Use the DU (digital setting).
• Start command:
Turn ON terminal STF/STR.
• Frequency setting:
Transmit a frequency command
through communication.
• Start command:
Turn ON terminal STF/STR.
• Frequency setting:
Transmit a frequency command
through communication.
• Start command:
Turn ON terminal STF/STR.
• Frequency setting:
Turn ON a terminal used for
frequency setting.
• Start command:
Press the FWD/REV key.
• Frequency setting:
Use the PU (digital setting).
• Start command:
Press the FWD/REV key.
• Frequency setting:
Turn ON a terminal used for
frequency setting.
• Start command:
Transmit a start command through
communication.
• Frequency setting:
Transmit a frequency command
through communication.
• Start command:
Transmit a start command through
communication.
• Frequency setting:
Turn ON a terminal used for
frequency setting.
• Start command:
Transmit a start command through
communication.
• Frequency setting:
Transmit a frequency command
through communication.
• Start command:
Transmit a start command through
communication.

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