Tag Archive for: CANopen

CAN physical layer, there is poor tradition in design of physical layer structures for industrial and machinery CAN networks

Physical layer really matters in CAN

Despite of the comprehensive knowledge of the CAN physical layer, there is poor tradition in design of physical layer structures for industrial and machinery CAN networks. Cables with "wrong" impedance (not matching with termination) are commonly…
CANopen offers further safeguards

CANopen safeguards to decrease the effect of residual errors further

Data transfer over CANopen networks is extremely reliable, but CANopen also offers further safeguards in order to decrease the effect of residual errors further. In many applications, complex safety add-ons have been designed on top of existing…
Systematic re-use of information

Systematic re-use of information

Systematic re-use of information and design processes defined by the selected system integration framework, such as CANopen, should be understood as an integral part of companies' design, assembly and service operations, instead of "just another…
Model-based design of CANopen systems

Model-based design of CANopen systems

Multiple disciplines for mechatronic system design co-exist, which hinder the utilization of software-oriented modeling principles e.g. UML. Existing modern tools may be integrated into a working tool chain. Model-based design has become mainstream…
CANopen in the frontline of openness

CANopen in the frontline of openness

Open knowledge is any content, information or data that people are free to use, re-use and redistribute – without any legal, social or technological restriction. Open data or open knowledge is one of the most recent IT megatrends. All around…

Experimental CANopen EEC management

Current CANopen design files do not support EECs (emergency error codes) with their human readable descriptions. This feature has become more problematic because of abstraction to parameters and signals. The system structure has become automated…
SI-Unit and scaling management in CANopen

SI-Unit and scaling management in CANopen

Various kind of inconsistencies have been typical problems in design of distributed control systems. The first solved issue was an automated generation of signal and parameter abstraction from CANopen project avoiding the inconsistent names…
Hydraulic valves driven by general purpose CANopen I/O

Hydraulic valves driven by general purpose CANopen I/O

Commonality between hydraulic valves driven by general purpose CANopen I/O and hydraulic CANopen drives Hydraulic valves have been driven by separate valve control electronics for decades. The tradition is becoming obsolete due to ever increasing…

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