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E6581090
F-30
6
<Selective communications>
When an operation frequency command is sent from the host computer to No. 3 inverter
Host computer
INV
No.29
INV
No.30
: Cable route
: Data (host to INV)
: Answer-back data (INV to host)
Thrown away
INV
No.03
INV
No.02
INV
No.01
INV
No.00
*** *
＊
“Thrown away”: On receipt of data from the host computer, only inverters with
specified ID numbers perform the specified operation, while all
other inverters throw the data away and move to the ready state for
receiving the next data.
*: Use terminal boards to branch cables.
Thrown away
Thrown away
Thrown away
Thrown away
①The host computer sends data to all inverters on the network.
②On receiving the data from the computer, each inverter checks the inverter ID number
contained in it.
③Only the inverter with the specified ID number (No. 3 in this case) decodes the command and
performs the specified operation.
④No. 3 inverter sends the processing results to the host computer, along with its ID number.
⑤Thus, only No. 3 inverter operates in response to the operation frequency command from the
host computer.
6.16.2 Free notes
H
: Free notes
• Function
This parameter allows you to specify an ID number for each inverter for management and
maintenance purposes.
■Parameter setting
Title Function Adjustment range Default setting
H Free notes 0～65535 0
Note:Adjustment range of the above mention can set by the computer on the network.
The operation panel can set to the maximum 9999.