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Operation Mode At Power-on (pr. 79, Pr. 340) - Mitsubishi Electric FR-F720P-0.75K to 110K Instruction Manual

Fr-f700p series.
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Selection of operation mode and
operation location

4.19.5 Operation mode at power-ON (Pr. 79, Pr. 340)

When power is switched ON or when power comes back on after instantaneous power failure, the inverter can be
started up in Network operation mode.
After the inverter has started up in the Network operation mode, parameter write and operation can be performed
from a program.
Set this mode for communication operation using the RS-485 terminals or communication option.
Parameter
Name
Number
79
Operation mode selection
*1
Communication startup
340
*2*3
mode selection
The above parameters can be changed during a stop in any operation mode.
*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
This parameter allows its setting to be changed in any operation mode even if "0 (initial value)" is set in Pr. 77 Parameter write selection.
*3
The parameters can be set when Pr. 160 User group read selection = "0". However, the parameters can be set whenever the communication
option is connected. (Refer to page 201.).
(1) Specify operation mode at power-ON (Pr. 340)
⋅ Depending on the Pr. 79 and Pr. 340 settings, the operation mode at power-ON (reset) changes as described below.
Pr. 340
Pr. 79
Operation Mode at Power ON, Power
Setting
Setting
0
(initial
External operation mode
value)
1
PU operation mode
2
External operation mode
0
(initial
3, 4
External/PU combined operation mode
value)
6
External operation mode
External operation mode when X12 (MRS) signal ON
7
External operation mode when X12 (MRS) signal OFF
0
NET operation mode
1
PU operation mode
2
NET operation mode
1, 2
3, 4
External/PU combined operation mode
*1
6
NET operation mode
NET operation mode when X12 (MRS) signal ON
7
External operation mode when X12 (MRS) signal OFF
0
NET operation mode
1
PU operation mode
2
NET operation mode
10, 12
3, 4
External/PU combined operation mode
*1
6
NET operation mode
7
External operation mode
*1
The Pr. 340 setting "2" or "12" is mainly used for communication operation using the inverter RS-485 terminals. When a value other than "9999" (selection
of automatic restart after instantaneous power failure) is set in Pr. 57 Restart coasting time, the inverter will resume the same operation state which was in
before after power has been restored from an instantaneous power failure.
When Pr. 340 = "1, 10", a start command turns OFF if power failure has occurred and then restored during a start command is ON.
*2
The operation mode cannot be switched directly between the PU operation mode and Network operation mode.
*3
Operation mode can be changed between the PU operation mode and Network operation mode with
♦ Parameters referred to ♦
Pr. 57 Restart coasting time
Pr. 79 Operation mode selection
218
Initial
Setting
Value
Range
0
0 to 4, 6, 7
0
1, 2
0
10, 12
Restoration, Reset
Refer to page 162.
Refer to page 206.
Description
Select the operation mode. (Refer to page 208.)
As set in Pr. 79.
Started in network operation mode.
When the setting is "2", it will resume the pre-instantaneous power
failure operation mode after an instantaneous power failure occurs.
Started in network operation mode. Operation mode can be
changed between the PU operation mode and Network
operation mode from the operation panel. When the setting is
"12", it will resume the pre-instantaneous power failure operation
mode after an instantaneous power failure occurs.
Operation Mode Switching
Switching among the External, PU, and NET operation mode is
enabled
*2
Fixed to PU operation mode
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 mode is
enabled
*2
Fixed to External operation mode (Forcibly switched to External
operation mode.)
Same as when Pr. 340 = "0"
Switching between the PU and NET operation mode is enabled
Same as when Pr. 340 = "0"
Fixed to NET operation mode
Same as when Pr. 340 = "0"
Switching between the PU and NET operation mode is enabled
while running
*3
Same as when Pr. 340 = "0"
key of the operation panel (FR-DU07) and X65 signal.
*3

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