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An article by  Ing. Roman Fronhofer B.Sc. – asma plant construction
Until a process is finished, many stages have to be passed through. A smoothly functioning cooperation internally as well as with customers and suppliers is one of the most important factors, when a project is to succeed.

The implementation is the biggest challenge for the programmer of the robot, since the machine freezes in the current position whenever the runtime environment is stopped (e.g. with a STOP-command or an emergency stop).“
Ing. Roman Fronhofer B.Sc.

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Process automation with the universal robot UR10 without PLC 

For automating processes, usually, so-called head controls are used, which are performed by PLC. Industrial robots or COBOTs already have a powerful control system that can be used for such purposes. 

In the practical application, PLC and an external safety logic are abandoned. The process sequence as well as the safety related installations (emergency stop and safety area) are implemented using onboard instruments of a universal robot UR10, which already offers safe, digital and analogue I/Os. This enables the embedding of an additional emergency stop button and a safety shutdown mat. Supplementary inputs enable a switch-on and -off of the control system via self-wired buttons, so that no specific knowledge of the operator is required handling the robot panel. Digital inputs for starting and stopping the plants can be configured. This is why these commands can be put on simple buttons. 

The implementation is the biggest challenge for the programmer of the robot, since the machine freezes in the current position whenever the runtime environment is stopped (e.g. with a STOP-command or an emergency stop). 

A plant implementation without PLC means that a programmable range of functions needs to be abandoned. More complex applications are not recommendable or not possible.