Mitsubishi Electric FR-D720S SC EC, Instruction Manual

Page: 336 / 512

Selection of operation mode and operation location Parameter
6 - 186
6.17.3 Start command source and frequency command source during
communication operation (Pr. 338, Pr. 339, Pr. 551)
When the RS485 communication with the PU connector or communication option is used, the
external start command and frequency command can be made valid. Command source in the
PU operation mode can be selected.
From the communication device, parameter unit, etc. which have command source, parameter
write or start command can be executed. Parameter read or monitoring can be executed in any
operation mode.
The above parameters can be set when Pr. 160 = 0.
Pr. 551 is always write-enabled.
Pr.
No.
Name
Initial
Value
Setting
Range
Description Parameters referred to
Refer to
Section
338
Communication
operation command
source
0
0 Start command source communication
59
79
Remote function
selection
Operation mode
selection 6.5.3
6.17.1
1 Start command source external
339
Communication speed
command source
0
0
Frequency command source communi-
cation
1
Frequency command source external
(Frequency command from communica-
tion is valid, frequency command from
terminal 2 isin valid)
2
Frequency command source external
(Frequency command from communica-
tion is valid, frequency command from
terminal 2 is invalid)
551
PU mode operation
command source
selection
9999
2
Selects the PU connector as the PU oper-
ation mode control source
4
Selects the operation panel as the PU
operation mode control source.
9999
PU automatic recognition
Normally, operation panel is the com-
mand source. When the parameter unit is
connected to the PU connector, PU is the
command source.