Toshiba Tosvert VF-S15 Series Instruction Manual page 43

 Setting of parameter
●Protocol selection (f829) Shipment setting: 0 (TOSHIBA)
Protocol setting with all inverters (both master and slave inverters) engaged in inter-drive com-
munication
0: Set the TOSHIBA.
* Inter-drive communication are disabled when Modbus RTU protocol is selected.
* This parameter is validated after resetting the inverter or rebooting the power supply.
● Setting of master and slave inverters for communication between inverters (setting of master and
slave) (f806) ... Shipment setting = 0
Assign one master inverter in the network. Other inverters should be the slave inverters.
*Specify only one inverter as the master. In case two or more inverters are designated for the
master inverter in the same network, data will collide.
- Setting to the master inverter
Set data desired for sending from the master side to the slave side.
3: Master (transmission of frequency commands)
4: Master (transmission of output frequency signals)
- Setting to the slave inverters
Set the desired action on the slave side that will be needed when the master trips.
0: Slave (0 Hz command issued in case the master inverter fails)
(The output frequency is limited to the lower limit frequency.)
1: Slave (Operation continued in case the master inverter fails)
Note: If the master inverter trips when an output frequency is specified for it, the operation fre-
quency of the slave inverters become 0Hz because tripping of the master inverter causes its
output frequency to drop to 0Hz.
2: Slave (Emergency stop tripping in case the master inverter fails)
The way they make an emergency stop depends on the setting of f603 (emergency stop).
*This parameter is validated after resetting the inverter or rebooting the power supply.
 Communication waiting time (f805) ... Shipment setting = 0.00
- Setting to the master inverter
Specify a waiting time if you want the master to issue commands to slaves with a given delay.
● Frequency setting mode selection 1 (fm0d) ･･･ Shipment setting = 0: Setting dial 1
Designate a target of speed command input for the inverter to the parameter fmod.
- Setting to the master inverter
Select except RS485 communication (fm0d≠4).
- Setting to the slave inverters
Select RS485 communication (fm0d=4)
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