Mitsubishi Electric FR-A820-00046 Instruction Manual page 444

(D) Operation command and frequency command
Operation mode basics
● The operation mode specifies the source of the start command and the frequency command for
the inverter.
● Basically, there are following operation modes.
External operation mode: For inputting a start command and a frequency command with an
external potentiometer and switches which are connected to the control circuit terminal.
PU operation mode: For inputting a start command and a frequency command with the opera-
tion panel, parameter unit, or the RS-485 communication via PU connector.
Network operation mode (NET operation mode): For inputting a start command and a frequen-
cy command using the RS-485 terminals or communication option.
● The operation mode can be selected from the operation panel or with the communication
instruction code.
Network operation
Fig. 5-107:
NOTES There are two settings of "3" and "4" with PU/External combined operation. The startup method
differs according to the setting value.
In the initial setting, the stop function (PU stop selection) by the operation panel or the parameter
unit
tion/disconnected PU detection/PU stop selection" on page 5-192.)
5 - 264
Personal computer
PU operation mode
mode
Inverter
RS-485
terminals
USB
connector
Commu-
nication
option
External terminal
Operation modes of the inverter
is effective in modes other than the PU operation mode. (Refer to Pr. 75 "Reset selec-
Programmable controller
Operation panel
PU connector
PU operation mode
Network operation mode
External operation mode
Potentiometer
Personal computer
Personal computer
Programmable controller
Personal computer
5 6
4
3 7
2
8
1
9
10
Switch
Parameters
I002570E