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4.6 Fieldbus Interface
4.6.1 Introduction
This section is only relevant if the frequency converter is equipped with a fieldbus interface (option) as well as the
positioning controller.
The positioning controller is controlled via the digital/analog inputs or via fieldbus. Select the control source in parameter
19-04 Control Source
. There can only be 1 control source at a time, meaning that the digital/analog inputs are inactive when
fieldbus is selected as control source and vice-versa. The only exceptions are listed in
. In fieldbus mode, it is
possible to specify the target position and velocity. If the acceleration and deceleration PCDs are left blank, the values for
acceleration and deceleration from index 1 are used.
4.6.2 Data Layout
Control and status signals are transferred via the so-called process data channel (PCD) of the various fieldbus interfaces. The
telegram structure and the available number of data words depends on the fieldbus used. Refer to the manual of the
fieldbus option in use for further details. The example in
is based on the layout of a Profibus telegram, the
so-called PPO:
175ZA813.12
Quick bus go to target
Illustration 4.16 Example using PROFIBUS PPO Type 5
Electrical Installation
Operating Instructions
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