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Manual – Fieldbus Interface INTERBUS UFI11A
INTERBUS Interface
5.2 Configuration of the INTERBUS interface
Under the cover plate, there is a DIP switch for setting the INTERBUS data length of the
fieldbus interface. The process data length can be set to a maximum of 24 words using
switches S1-1 to S1-5. The PCP length can be set using switches S1-6 and S1-7. PCP
is the parameter channel of the INTERBUS and is used for setting the parameters of the
UFI11A and the connected inverters.
The process data channel is the means by which the connected inverters are controlled
and their status read. Since all data of the connected inverters are transmitted by the
INTERBUS, you will have to enter the sum of the process data lengths of all individual
inverters. In Autosetup, this means three words per inverter.
Fig. 21 shows an example setting of six process data words for two inverters. The value
of each switch in determining the process data length is shown on the right.
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Fig. 20: UFI11A DIP
switches
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Fig. 21: Process data words
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