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6 Commissioning of PROFIBUS

6.2 Detailed commissioning steps

Lenze · Controller-based Automation · PROFIBUS® Communication Manual · DMS 4.3 EN · 04/2014 · TD17

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For each group, select whether it is supposed to be operated in the freeze mode and/or sync

mode. By assigning the slaves to different groups (on the DP Parameters tab of the DP

slaves, Groups... button), you can synchronise the data exchange from the master via a

global control command.

A freeze command causes a master, a slave, or a group, to "freeze" the input in the current

status and transfer these data in the next data exchange process.

A sync command causes the slaves to connect the data received by the master through to

the outputs synchronously regarding time with the next sync command.

In order to activate or deactivate the freeze and sync mode for one group, you can either set

a checkmark at the corresponding place in the table or remove it. Besides, you can change

the names of the groups here.

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Lenze PROFIBUS Controller-based Automation Manuale Utente Pagina 38