Lenze Engineer v2.21 Manuale Utente Scaricare il pdf (Pagina 185)

Lenze · Engineer · 2.13 EN - 10/2014 185

Defining the system functionality

Creating an interconnection via the electrical shaft

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8.14.3 Virtual master/real master

Virtual master

[8-11] Example of a "virtual master" (with transfer of master value via extension module master frequency)

Real master

[8-12] Example of a "real master" (with master value transfer via extension module master frequency)

• A drive in the interconnection performs

the tasks of the (virtual) master and is

simultaneously the first slave drive.

• The master value formed by the "virtual

master" function within the part the plant

is transferred to the other slave drives via a

bus system or the digital frequency output.

d v

Virtual master /

Slave 1

X10: DFout

• The master value is defined for a slave

drive in the interconnection by a real

master (e.g. external encoder).

• This can be done e.g. via the digital

frequency input of the extension module

or via a bus system.

• The master value (within the technology

application; if necessary, edited) is

transferred to the other slave drives via a

bus system or the digital frequency output.

d v

X10: DFout

Real master/

Slave 1

X9: DFin

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Lenze Engineer v2.21 Manuale Utente Pagina 185