Operation Mode Selection - Mitsubishi Electric FR-F820-04750 Instruction Manual

(D) Operation command and frequency command
5.6.1

Operation mode selection

Select the operation mode of the inverter.
The mode can be changed among operations using external signals (External operation), operation
by operation panel or parameter unit (PU operation), combined operation of PU operation and Ex-
ternal operation (External/PU combined operation), and Network operation (when RS-485 terminals
or communication option is used).
Pr.
79
D000
The following table lists valid and invalid commands in each operation mode.
Pr. 79
setting
0
(initial
value)
1
2
3
4
6
7
Tab. 5-49:
The priority of frequency commands when Pr. 79 = "3" is "multi-speed operation (RL/RM/RH/REX)
> PID control (X14) > terminal 4 analog input (AU) > digital input by operation panel".
5 - 116
Name
Operation mode selection
Description
Use the External/PU switchover mode (PU/EXT key) to switch between the
PU and External operation mode.
At power ON, the inverter is in the External operation mode.
Operation mode Frequency command
PU operation mode Operation panel or
fixed parameter unit.
External operation
mode fixed.
External signal input
The operation can be
(terminal 2 and 4, JOG,
performed by switching
multi-speed selection,
between the External
etc.)
and NET operation
modes.
Operation panel/
parameter unit or
External/PU combined
external signal input
operation mode 1
(multi-speed setting,
terminal 4)
External signal input
External/PU combined (terminal 2 and 4, JOG,
operation mode 2 multi-speed selection,
etc.)
Switchover mode
Switching of PU, External, and NET operation modes can be performed
during operation.
External operation mode (PU operation interlock)
X12 signal ON: Switchover to PU operation mode enabled (during External
operation, output shutoff )
X12 signal OFF: Switchover to PU operation mode disabled
Settings of Pr. 79
Initial value Setting range
0 0 to 4, 6, 7
Start command
FWD or REV key on
operation panel or
parameter unit
External signal input
(terminal STF, STR)
External signal input
(terminal STF, STR)
FWD or REV key on
operation panel or
parameter unit
Parameters
Description
Selects the operation mode.
LED display Refer
:OFF
:ON
PU operation mode
External operation mode
5-119
NET operation mode
PU operation mode
5-120
External operation mode
5-119
NET operation mode
5-120
External/PU combined
operation mode
5-121
PU operation mode
5-121
External operation mode
5-121
NET operation mode
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