Tag Archive for: CANopen

CANopen Saftey

CANopen Safety Certified Expansion Board

The primary objective was to develop a CANopen Safety, SIL2 / PLd, Cat 3, expansion board for the customers remote control product. The aim of the first part of the project was to allow our customer and its clients to assess the functionality…

TKE CiA 408 Four-Edge Valve Controller

TK Engineering Oy has developed a CiA 408 device profile compliant four-edge valve controller. The four-edge valve controller simplifies the control of hydraulic cylinder piston velocities. The piston velocity is controlled through a standardized…
CANopen-controller

CANopen controller for independent metering control valves

CiA 408 defines the CANopen-based control interface for valves including device state management, control signals, and common device parameters. This article introduces CiA 408, describes a valve controller deployment, and discusses deployment…
CANopen-controller

Publication of the CAN Newsletter magazine

CAN in Automation (CiA) has published Heikki Saha article about CANopen controller for independent metering control valves. CiA 408 defines the CANopen-based control interface for valves including device state management, control signals, and…
KvaserCANopenStack

Kvaser CANopen Stack Release

This release of the Kvaser CANopen Stack introduces new functionality that enables the generation of stack object dictionary files from a CANopen node EDS file. The   release also adds support for CANopen time consumer object functionality.…

Case study: Translifter Control System

TK Engineering, a specialist in distributed control systems, has developed a control system solution for a translifter implementation. Contik approached TKE to design and develop a control system solution for a prototype translifter project.…

CANopen ConfTool 2.1.4 Version Release

New version of CANopen ConfTool has been released. CANopen ConfTool is specially designed for efficient production line and service operations. Its easy-to-use tool that helps the user to configure nodes for the correct target position in the…
CANtrace 3.17 Released

CANtrace 3.17 Release adds playback of log files to the CAN bus

We have reached the Next Level – Cantrace 3.17 Released This release adds playback of log files to the CAN bus, which can be used for simulation, testing and bus traffic generation. Any log file in ASC format can be used to generate data…
Analysis of residual errors and their consequences in CANopen systems

Analysis of residual error and their consequences in CANopen systems

Residual error analyses for CAN networks have been performed for years. It is well documented, that commonly used equations do not fully apply for analytic computing of the residual error probability of CAN networks. Also too high bit error…
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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