Configuration; Process Data - WAGO SPEEDWAY 767 Manual

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Configuration

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8 Configuration
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This section contains all information required for configuration of the 767
components for CANopen.
The process data objects (PDO) are required in order to exchange process data
between the higher-level controller and the fieldbus coupler. Using these
assembly instances, you can write and read the inputs and outputs of the 767
components. The service data object (SDO) is necessary to determine which
process data the PDO should transfer. Use this to configure the PDO.
Each PDO consists of a CAN telegram with a maximum of 8 bytes of process data
and a COB ID ("Communication Object Identifier") that is unique in the network.
Data transfer is carried out via these communication objects. The communication
objects require these parameters and data. This is all stored in an object directory.
The object directory of a CANopen device consists of 16-bit indices and 8-bit
sub-indices. All data from a CANopen device is stored here, as well as its
communication parameters and mapping information.
8.1

Process Data

After starting up the fieldbus coupler, it automatically identifies all connected I/O
modules. The PFC uses this to create a local process image (input and output data
range). For each I/O module, one index is created for the input data (index 0x5300
to 0x5340) and one for the output data (index 0x5400 to 0x5440). The process
data of the I/O module is stored in the indices in a byte-by-byte manner.
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WAGO-SPEEDWAY 767
767-1501 FC CANopen 8DI 24V DC
Manual
Version 2.2.0