Lenze c300 Manual de usuario descargar pdf (Pagina 69)

9 Data integrity in the event of a voltage failure

9.1 UPS functionality of the controllers

Lenze · Controller | Parameter setting & programming · Reference Manual · DMS 1.5 EN · 04/2014 · TD17

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9.1.2 External UPS (for Controllers 3241 C with UPS connection)

The Controllers 3241 C provide for the connection of an external battery pack (ACCU-PACK) or

capacitor pack (CAPS-PACK) to the X9 socket. Thus, voltage fluctuations of up to five seconds can be

compensated for.

In the case of a voltage failure, the external UPS saves the following content to the memory card of

the Controller 3241 C:

• Retain/persistent variables of the PLC

• Logbook data

• Visualisation data (e.g. trends, alarms)

When the data have been saved, the PLC stops. The log service does not accept any further log

messages and deactivates itself.

The UPS behaviour of the external UPS can be parameterised via »WebConfig«:

Parameter setting using »WebConfig«

( 45)

Detailed information on the parameters of the UPS can be found here:

Voltage buffering by external UPS (optional, for Controller 3241 C)

( 158)

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Lenze c300 Manual de usuario Pagina 69