Mitsubishi Electric 800 Series Instruction Manual (Function page 252

Pr.79
setting
PU/EXT key selection of the operation mode. The inverter operation mode can be selected by
0 (initial
pressing the PU/EXT key.
value)
At power ON, the inverter is in the External operation mode.
Operation mode
1
Fixed at PU operation
mode.
Fixed at External operation
mode.
However, the inverter
2
operation mode can also be
changed to the Network
operation mode.
External/PU combined
3
operation mode 1
External/PU combined
4
operation mode 2
Operation mode switchover during operation.
6 Switching from among the 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 (signal is OFF during External
7
operation).
X12 signal OFF: Switchover to PU operation mode disabled.
*1 The following is the frequency commands listed in descending order of priority when "3" is set in Pr.79: Multi-speed setting function (RL/RM/RH/
REX signal) > PID control (X14 signal) > terminal 4 analog input (AU signal) > digital input from the operation panel.
 Operation mode basics
• The operation mode specifies the source of the start command and the frequency command for the inverter.
• Basic operation modes are as follows.
External operation :
mode:
PU operation mode: :
Network operation mode :
(NET operation mode):
Description
Frequency command
Sent from the operation panel
Sent using external signals
(input via terminal 2 or 4, using
the JOG signal, using the
multi-speed setting function,
etc.).
Sent from the operation panel
or sent using external signals
(input using the multi-speed
setting function or via terminal
*1
4).
Sent using external signals
(input via terminal 2 or 4, using
the JOG signal, using the
multi-speed setting function,
etc.).
For giving a start command and a frequency command with an external potentiometer or switches which are
connected to the control circuit terminal.
For giving a start command and a frequency command with the operation panel.
For giving a start command and a frequency command via RS-485 communication or Ethernet
communication, or using a communication option.
Start command
Input using the RUN key on the
operation panel
Sent using external signals (via
terminal STF or STR).
Sent using external signals (via
terminal STF or STR).
Input using the RUN key on the
operation panel
11. (D) Operation Command and Frequency Command
11.1 Operation mode selection
LED indicator
Refer to
: OFF
page
: ON
PU operation
mode
External operation
mode
254
NET operation
mode
PU operation
mode
255
External operation
mode
254
NET operation
mode
255
External/PU
combined
operation mode
255
PU operation
mode
256
External operation
mode
NET operation
256
mode
251
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