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Device and Application Profiles

Standardized device and application profiles

Building on the DS-301 as the basic CANopen specification, there is a large number of further documents that define standard devices or even standard applications. In these supplementary standards (device and application profiles), the behavior, the data and parameters of the standardized devices or applications are defined by the corresponding object dictionary entries. The aim of the standardization by means of device profiles is that devices of one class can be interchanged, thus allowing vendor-independence. Application profiles should facilitate integration of systems consisting of devices from different vendors.
 
Naturally it would not make sense to describe devices in all possible versions in standardized form. For this reason, all profiles enable the definition, in addition to the standardized entries, of other vendor-specific properties with the so-called "vendor-specific profile range". It is thus also possible to describe functions, data and parameters that are not contained in the standard profile.
 
DS-401( "Device Profile for I/O Modules") is the most well-known and most important device profile. This profile describes alternative analog and digital input and output interfaces and their ability to be parameterized. DS-401 specifies object dictionary entries for max. 2040 digital inputs/outputs and max. 255 analog inputs/outputs. The behavior of these inputs/outputs is parameterized by a series of further OD entries. Device profiles can also contain additional error codes, compiled data types, device LEDs and many other things.
 
Another very important device profile is provided by DS-402, the device profile for drives with CANopen interface ("Drives and Motion Control"). This profile is also based on a model for the behavior of a drive.
 
The following table lists the currently defined CANopen device and application profiles:
 
Profile numberDevice class
DS-401Generic I/O modules
DS-402Drives and motion control
DS-403Not allocated
DS-404Measuring devices and closed loop controllers
DS-405IEC 61131-3 programmable devices
DS-406Encoders
DS-407Public transportation - Passenger Information Systems
DS-408Fluid Power Technology - Hydraulic drives and proportional valves
DS-409Vehicle door control
DS-410Declinometers
DS-412Medical Devices
DS-413Truck Gateways
DS-414Weaving Machines
DS-415Road Construction Machinery
DS-416Building Door Control
DS-417Lift Control Systems
DS-418Battery Modules
DS-419Battery Chargers
DS-420Extruder Downstream Devices

 
A more detailed description of the contents of these profiles can be found at www.can-cia.de/services/cialiterature/ .
 
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