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1.5
Setting of operation mode of the inverter
• The inverter has three operation modes.
External operation mode: For giving a start command and a frequency command with an external potentiometer or
switches which are connected to the control circuit terminal.
PU operation mode: For giving a start command and a frequency command from the operation panel, parameter unit, or
RS-485 communication via the PU connector.
Network operation mode (NET operation mode): For giving a start command and a frequency command via the RS-485
terminals, a communication option, or the Ethernet connector.
Operation mode at power ON, at
*1
Pr.79
setting
power restoration, or after a reset.
0 (initial value)
External operation mode
1
PU operation mode
2
External operation mode
3, 4
External/PU combined operation mode
6
External operation mode
X12 (MRS) signal ON...External
operation mode
7
X12 (MRS) signal OFF...External
operation mode
*1
For the details of Pr.79, refer to the Instruction Manual of the inverter.
*2
Operation mode cannot be directly changed between the PU operation mode and Network operation mode.
Example: FR-A800
When "0, 1 or 2" is set in Pr. 340
Switching through the network
Switch to External
operation mode through
the network.
Network operation
When "10 or 12" is set in Pr. 340
Network operation
∗When using USB connection, operation mode changing is available from FR Configurator2.
For the details of the operation mode switchover, refer to the Instruction Manual of the inverter.
• Controllability through communication
Refer to the following table to select the appropriate operation mode for the connection. Switching of the operation mode
is available using "test operation" (on
Manual (Detailed) of the inverter for details of each parameter.
Monitoring and parameter read can be performed from any operation regardless of the operation mode.
Switching among the External, PU, and NET operation modes is
*2
enabled
PU operation mode fixed.
Switching between the External and NET operation mode is
enabled.
Switching to PU operation mode is disabled.
Operation mode switching is disabled
Switching among the External, PU, and NET operation mode is
enabled while running.
Switching among the External, PU, and NET operation modes is
*2
enabled
External operation mode fixed. (Forcibly switched to External
operation mode.)
External operation
Switch to Network operation
mode through the network.
Press
on the PU to light
Press
on the PU to light
page
164) or "parameter list" (on
Operation mode switchover
Switching with the PU
Press
the PU to light
Press
on
the PU to light
page
99) on the sub window. Refer to the Instruction
1.5 Setting of operation mode of the inverter
1
2
3
4
5
6
7
8
9
10
on
PU operation
PU operation
65
1. OUTLINE
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