214
5. PARAMETERS
5.6 (D) Operation command and frequency command
Pr.57 Restart coasting time page 448
Pr.79 Operation mode selection page 204
5.6.3 Start command source and frequency command source
during communication operation
The start and frequency commands from an external device can be made valid when using the RS-485 terminals or the
communication option. The command source in the PU operation mode can also be selected.
Selection of command source in Network operation mode (Pr.550)
• Either of the RS-485 terminals or the communication option can be specified for the command source in the Network
operation mode.
• For example, whether or not the communication option is mounted, set Pr.550 = "1" to write parameters from or input the
start and frequency commands via RS-485 terminals in the Network operation mode.
• In the initial setting, "9999" (communication option automatic recognition) is set for Pr.550. Thus, if the communication
option is mounted, parameters cannot be written or the start and frequency commands cannot be sent by communications
that use the RS-485 terminals. (Monitoring or parameter reading can be performed.)
Pr. Name Initial value Setting range Description
338
D010
Communication operation
command source
0 0 Start command source is communication.
1 Start command source is external.
339
D011
Communication speed command
source
0 0 Frequency command source is
communication.
1 Frequency command source is external.
2 Frequency command source is external.
(When there is no external input, the
frequency command via communication is
valid, and the frequency command from
terminal 2 is invalid.)
550
D012
NET mode operation command
source selection
9999 0 The communication option is the
command source when in the NET
operation mode.
1 The RS-485 terminals are the command
source when in the NET operation mode.
9999 Communication option is recognized
automatically.
Normally, the RS-485 terminals are the
command source. When the
communication option is mounted, the
communication option is the command
source.
551
D013
PU mode operation command
source selection
9999 1 The RS-485 terminals are the command
source when in the PU operation mode.
2 The PU connector is the command source
when in the PU operation mode.
3 The USB connector is the command
source when in the PU operation mode.
9999 USB automatic recognition
Normally, the PU connector is the
command source. When the USB is
connected, the USB connector is the
command source.
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