Mitsubishi Electric FR-D720S SC EC, Instruction Manual

Page: 338 / 512

Selection of operation mode and operation location Parameter
6 - 188
Controllability through communication
✔
: enabled
—: not enabled
: some are enabled
As set in Pr. 338 "Communication operation command source" and Pr. 339 "Communication
speed command source".
At occurrence of RS485 communication error, the inverter cannot be reset from the
computer.
Enabled only when stopped by the PU. At a PU stop, "PS" is displayed on the operation
panel. As set in Pr. 75 "Reset selection/disconnected PU detection/PU stop selection".
(Refer to section 6.16.1.)
Some parameters may be write-disabled according to the Pr. 77 "Parameter write selection"
setting and operating status. (Refer to section 6.16.2).
Some parameters are write-enabled independently of the operation mode and command
source presence/absence. When Pr. 77 = 2, write is enabled. (Refer to Tab. 6-1 for the
parameter list.) Parameter clear is disabled.
Available with multi-speed setting and terminal 4-5 (valid when AU signal is ON).
Oper-
ation
Loca-
tion
Condition
(Pr. 551)
Command
Operation Mode
PU Operation
External
Operation
External/PU
combined
Operation
Mode 1
(Pr. 79 = 3)
External/PU
combined
Operation
Mode 2
(Pr. 79 = 4)
NET Operation
Control by RS485 communic
ation from PU connector
2
(PU
connector)
Run command
(start)
✔
— —
✔
—
Run command
(stop)
✔ ✔
—
Running frequency
setting
✔
—
✔
— —
Parameter write
✔
—
✔ ✔
—
Inverter reset
✔ ✔ ✔ ✔
—
Other than the
above
Run command
(start)
— — — —
✔
Run command
(stop)
— — — —
✔
Running frequency
setting
— — — — ✔
Parameter write
— — — —
✔
Inverter reset — — — —
✔
Control cir
cuit
external terminals
—
Inverter reset
✔ ✔ ✔ ✔ ✔
Run command
(start, stop)
—
✔ ✔
—
—
Running frequency
setting
—
✔ ✔
—
Tab. 6-44: Functions in the single operation modes