Toshiba TOSVERT VF-AS3 Instruction Manual page 418

2. The follower inverters calculate a frequency reference from the data received and save the
frequency calculated.
3. As a result, all follower inverters operate at the same frequency as the leader inverter.
The leader inverter always sends frequency command data to its follower inverters.
The follower inverters are always on standby so that they can receive an frequency command from
the leader inverter at any time.
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6. [Advanced] How to use parameters
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