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1. General information – Features
CANopen offers a uniform user interface and therefore allows a simplified system structure with very
different appliances. CANopen is optimized for fast data exchange in real-time systems and has
various device profiles that have been standardized. The CAN in Automation (CiA) manufacturers and
users association is in charge of establishing and standardizing the corresponding profiles. The
sensor supports the latest CANopen communication profile according to DS 301 V 4.2.0.
CANopen offers
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Comfortable access to all device parameters
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Configuration of the network and of the devices
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Device synchronization within the network
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Cyclic and event-driven process data traffic
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Simultaneous input or output of data
CANopen uses three communication objects (COB) with various characteristics
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Process Data Objects (PDO) for real-time data
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Service Data Objects (SDO) for parameters and program transmission
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Network Management (NMT, Life-Guarding, Heartbeat)
All device parameters are saved in an object dictionary. This object dictionary contains the
description, data type and structure of the parameters, as well as the address (index). The dictionary
is structured in a communication profile section, a device profile-related section and a manufacturer-
specific section
Summary of Contents for CANopen DW120
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