
(D) Operation command and frequency command
302
Selection of the command source of the PU operation mode (Pr.551)
• Any of the PU connector, RS-485 terminals, or USB connector can be specified as the command source in the PU
operation mode.
• Set
Pr.551
="1" to use communication connected to the RS-485 terminals to write parameters or execute start and
frequency commands in the PU operation mode. Set
Pr.551
="3" or "9999" to use the USB connector.
NOTE
• When
Pr.550
="1" (NET mode RS-485 terminals) and
Pr.551
="1" (PU mode RS-485 terminals), the PU operation mode has
a precedence. For this reason, if the communication option is not mounted, switching to the Network operation mode is not
longer possible.
• Changed setting values are enabled at power-ON or inverter reset.
The MODBUS RTU protocol cannot be used in the PU operation mode. To use the MODBUS RTU protocol, set
Pr.551
="2".
If the communication option is not mounted, switching to the Network operation mode is not longer possible.
When
Pr.551
= "9999", the priority of the PU command source is USB connector > PU connector.
Pr.550
setting
Pr.551
setting
Command source
REMARKS
PU connector
USB connector
RS-485
terminals
Communication
option
0
1
PU operation
mode
NET operation
mode
2
PU operation mode
NET operation
mode
3
PU operation mode
NET operation
mode
9999
(initial
value)
PU operation
mode
PU operation
mode
NET operation
mode
1
1
PU operation
mode
Switching to NET
operation mode disabled
2
PU operation mode
NET operation
mode
3
PU operation mode
NET operation
mode
9999
(initial
value)
PU operation
mode
PU operation
mode
NET operation
mode
9999
(initial
value)
1
PU operation
mode
NET operation
mode
2
PU operation mode
NET operation
mode
With communication
option
NET operation
mode
Without communication
option
3
PU operation mode
NET operation
mode
With communication
option
NET operation
mode
Without communication
option
9999
(initial
value)
PU operation
mode
PU operation
mode
NET operation
mode
With communication
option
NET operation
mode
Without communication
option
Содержание 800 Series
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