E6582233
F-73
6
Connection example when using the computer link function
<Independent communication>
Perform computer-inverter connection as follows to send operation frequency commands from the host
computer to inverter No. 3:
H ost c omputer
INV
No .2 9
INV
No .3 0
: Wiring
: Dat a (Host → INV)
: Response data (I NV → Host)
INV
No .0 2
INV
No .0 1
INV
No.00
*
ven a wa y
ven away
ven away
ven a wa y
ven away
INV
No .0 3
*
"Given away": Only the inverter with the selected inverter number conducts data processing. All other
inverters, even if they have received the data, give it away and stand by to receive the
next data.
★ : Use the terminal board to branch the cable.
(1) Data is sent from the host computer.
(2) Data from the computer is received at each inverter and the inverter numbers are checked.
(3) The command is decoded and processed only by the inverter with the selected inverter number.
(4) The selected inverter responds by sending the processing results, together with its own inverter
number, to the host computer.
(5) As a result, only the selected inverter starts operating in accordance with the operation frequency
command by communicating independently.
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