Instruction manual

27
1
OUTLINE
Setting of Operation Mode of the Inverter
1.5 Setting of Operation Mode of the Inverter
The inverter has three operation modes.
(1) PU operation [PU]...................Controls the inverter from the key of the control panel (FR-DU07) mounted on the inverter.
(2) External operation [EXT]......... Controls the inverter by switching ON/OFF external signals connected to the control
circuit terminals of the inverter. (The inverter is initially-set to this mode.)
(3) Network operation [NET] ........Controls the inverter with instructions from the network via the communication option.
(The operation signal and running frequency can be entered from the control circuit
terminals depending on the Pr. 338 Communication operation command source and Pr. 339
Communication speed command source setting.)
Pr. 79
Setting
Operation Mode at Power ON, at power
restoration, or after a reset.
Operation Mode Switchover
0
(initial
value)
External operation mode Switching among the External, PU, and NET operation mode is enabled *1
1 PU operation mode PU operation mode fixed
2 External operation mode
Switching between the External and NET operation mode is enabled
Switching to PU operation mode is disabled
3, 4 External/PU combined operation mode Operation mode switching is disabled
6 External operation mode
Switching among the External, PU, and NET operation mode is enabled while
running.
7
X12 (MRS) signal ON...External operation
mode
Switching among the External, PU, and NET operation mode is enabled *1
X12 (MRS) signal OFF...External operation
mode
External operation mode fixed (Forcibly switched to External operation mode)
*1 Operation mode cannot be directly changed between the PU operation mode and Network operation mode.
* When using USB connection, operation mode changing is available from FR Configurator.
Press on
the PU to light
Switching through the network
Switch to Network operation
mode
through the network.
Switch to External
operation mode through
the network.
External operation
Switching with the PU *
Network operation PU operation
Press on
the PU to light
When "0 or 1" is set in Pr. 340
(Refer to page 97)