Connection Example When Using Computer Link Function; Independent Communication, Broadcast Communication - Toshiba TOSVERT VF-AS3 Instruction Manual

Item
Broadcast
communication
Frame length
Error correction
Response monitoring
Other

■ Connection example when using computer link function

1) Independent communication
4
Here is a case where an operation frequency command is sent from the host computer to
inverter No.3.
4
6
Host computer
INV
9
No.00
INV: Inverter
Give 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 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. 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 sent by the host computer.
2) Broadcast communication
Here is a case where a frequency command is sent via a broadcast from the host computer.
6. [Advanced] How to use parameters
Inverter Number should be set to
ASCII mode: **
(*? or ?* (?=0-9) is available)
Binary mode: 255 (0FFh)
Variable
Disabled
Disabled
Inverter operation at communication time-over: Select from trip/alarm/none
- When alarm is selected, an alarm is output from the output terminal.
- When trip is selected, "Err5" blinks on the panel.
INV INV
Give Give
No.01 No.02
away away
Specifications
: Wiring
: Data (Host - INV)
: Response data (INV - Host)
INV
Give Give
No.03 No.29
away away
6-188
E6582062
Inverter Number should be set to 0
INV INV
Give Give
No.30
away away