Mitsubishi Electric FR-A740-00023 Instruction Manual page 313

(3) Operation mode selection flow
In the following flowchart, select the basic parameter setting and terminal connection related to the operation mode.
START
Where is the start command
source?
From external
(STF/STR terminal)
Where is the frequency set?
From external
(Terminal 2, 4,
JOG, multi-speed, etc.)
From PU
(Digital setting)
From communication
RS-485 terminals or
communication option?
RS-485 terminals
Communication option
From PU
(FWD/REV key)
Where is the frequency set?
From external
(Terminal 2, 4, JOG,
multi-speed, etc.)
From PU
(Digital setting)
From communication
(RS-485 terminals/communication option)
From communication
(RS-485 terminals/communication option)
RS-485 terminals or
communication option?
RS-485 terminals
Where is the frequency set?
From external
From PU
From communication
RS-485 terminals
Communication option
Where is the frequency set?
From external
From PU
From communication (
Connection
STF (forward rotation)/STR
(reverse rotation) -PC
(Refer to page 222.)
Terminal 2, 4-5 (analog), RL, RM,
RH, JOG-SD, etc.
STF (forward rotation)/STR
(reverse rotation) -PC
(Refer to page 222.)
(RS-485 terminals/communication option)
STF (forward rotation)/STR
(reverse rotation) -PC
(Refer to page 222.)
Connection of RS-485 terminals
(Refer to page 317.)
Connection of communication
option
(Refer to the corresponding communication
option instruction manual)
Terminal 2, 4-5 (analog), RL, RM,
RH, JOG-PC, etc.
Disabled
(Terminal 2, 4, JOG, multi-speed, etc.)
Connection of RS-485 terminals
(Refer to page 317.)
Terminal 2, 4-5 (analog), RL, RM,
RH, JOG-PC, etc.
(Digital setting)
Connection of RS-485 terminals
(Refer to page 317.)
(Terminal 2, 4, JOG, multi-speed, etc.)
Connection of communication option
(Refer to the corresponding communication
option instruction manual)
Terminal 2, 4-5 (analog), RL, RM,
RH, JOG-PC, etc.
(Digital setting)
communication option)
Connection of communication option
(Refer to the corresponding communication
option instruction manual)
Selection of operation mode and operation location
Parameter setting
Frequency setting terminal ON
Pr. 79 = "3"
(External/PU combined
operation 1)
Communication frequency setting
Pr. 338 = "1"
Pr. 340 = "1, 2"
Communication frequency setting
Pr. 338 = "1"
Pr. 340 = "1"
Pr. 79 = "4"
Frequency setting terminal ON
(External/PU combined
operation 2)
Pr. 79 = "1"
(Fixed to PU operation)
Frequency setting terminal ON
Pr. 339 = "1"
Communication start command
Pr. 340 = "1, 2"
Disabled
Communication frequency setting
Pr. 340 = "1, 2"
Communication start command
Frequency setting terminal ON
Pr. 339 = "1"
Communication start command
Pr. 340 = "1"
Disabled
Communication frequency setting
Pr. 340 = "1"
Communication start command
Operation
STF(STR) ON
DU digital setting
STF(STR) ON
command sending
STF(STR) ON
command sending
STF(STR) ON
FWD/REV key ON
Digital setting
FWD/REV key ON
sending
command sending
sending
sending
command sending
sending
303
4