E6582062
6. [Advanced] How to use parameters
6-190
4
4
6
9
INV: Inverter
★
: Use the terminal block, etc. 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. When "*" is added to the position of an inverter number, it is judged a broadcast. The
command is decoded and processed.
4. To prevent data conflicts, only inverters where "*" is overwritten to "0" can reply with data to
the host computer.
5. As a result, all inverters are operating with the broadcast operation frequency command.
Specify inverter numbers by group for group broadcasts.
This is a function only for ASCII mode. For parity mode, refer to RS485 Communications
Function Instruction Manual (E6582143).
For example, when "*1" is set, inverters "01", "02", "03", "04", ..., "09" can be broadcast to.
In this case, the inverter specified as "01" can reply.
■
Connection example of inverter-to-inverter communication
One inverter is a leader and the other inverters are followers.
Here is a case where all follower inverters connected operate at the same frequency as the leader
inverter.
No frequency point is set.
INV: Inverter
★
: Use the terminal block, etc. to branch the cable.
1. The leader inverter transmits frequency command data to its follower inverters.
Host computer
: Wiring
INV
No.00
: Data (Host - INV)
: Response data (INV - Host)
INV
No.01
INV
No.02
INV
No.03
INV
No.29
INV
No.30
Leader inverter
Follower
: Wiring
INV
No.00
: Data (Leader - Follower)
INV
No.01
INV
No.02
INV
No.03
INV
No.29
INV
No.30
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