Mitsubishi FR-A800

(D) Operation command and frequency command
PARAMETERS
309
5
GROUP
D
Operation mode selection flow
Referring to the following table, select the basic parameter settings or terminal wiring related to the operation mode.
Start command
input method
Frequency setting
method
Terminal wiring Parameter setting Operation method
External signal
input
(terminal STF, STR)
External (terminal 2
and 4, JOG,
multi-speed, etc.)
STF (forward rotation)/STR
(reverse rotation) (Refer to
page 436.)
Terminal 2 and 4 (analog)
RL, RM, RH, JOG, etc.
Pr.79 = "2"
(External operation
mode fixed)
• Frequency setting
Frequency setting terminal ON
• Start command
STF(STR)-ON
PU (digital setting)
STF (forward rotation)/STR
(reverse rotation) (Refer to
page 436.)
Pr.79 = "3"
(External/PU
combined operation
1)
• Frequency setting
DU digital setting
• Start command
STF(STR)-ON
Communication
(RS-485 terminals)
STF (forward rotation)/STR
(reverse rotation) (Refer to
page 436.)
RS-485 terminals
(Refer to page 557.)
Pr.338 = "1"
Pr.340 = "1, 2"
• Frequency setting
Transmit a frequency command
via communication.
• Start command
STF(STR)-ON
Communication
(communication
option)
Terminals for
communication option
(Refer to the Instruction
Manual of the
communication option.)
Pr.338 = "1"
Pr.340 = "1"
• Frequency setting
Transmit a frequency command
via communication.
• Start command
STF(STR)-ON
PU
(FWD/REV key)
External (terminal 2
and 4, JOG,
multi-speed, etc.)
Terminal 2 and 4 (analog)
RL, RM, RH, JOG, etc.
Pr.79 = "4"
(External/PU
combined operation
2)
• Frequency setting
Frequency setting terminal ON
• Start command
FWD/REV key ON
PU (digital setting) 
Pr.79 = "1"
(PU operation mode
fixed)
• Frequency setting
Digital setting
• Start command
FWD/REV key ON
Communication
(RS-485 terminals/
communication option)
N/A
Communication
(RS-485 terminals)
External (terminal 2
and 4, JOG, multi-
speed, etc.)
RS-485 terminals
(Refer to page 557.)
Terminal 2 and 4 (analog)
RL, RM, RH, JOG, etc.
Pr
.339 = "1"
Pr.340
= "1, 2"
• Frequency setting
Frequency setting terminal ON
• Start command
Transmit a start command via
communication
PU (digital setting) N/A
Communication
RS-485 terminals
RS-485 terminals
(Refer to page 557.)
Pr.340 = "1, 2"
• Frequency setting
Transmit a frequency command
via communication.
• Start command
Transmit a start command via
communication
Communication
(Communication
option)
External (terminal 2
and 4, JOG, multi-
speed, etc.)
Terminals for
communication option
(Refer to the Instruction
Manual of the
communication option.)
Terminal 2 and 4 (analog)
RL, RM, RH, JOG, etc.
Pr.339 = "1"
Pr.340 = "1"
• Frequency setting
Frequency setting terminal ON
• Start command
Transmit a start command via
communication
PU (digital setting) N/A
Communication
(communication
option)
Terminals for
communication option
(Refer to the Instruction
Manual of the
communication option.)
Pr.340 = "1"
• Frequency setting
Transmit a frequency command
via communication.
• Start command
Transmit a start command via
communication