Hi,
I have TwinCat 3 project where I control 9 conveyers by inverters connected by EtherCat and multiple air valves by EtherCat. Everything is controlled from touchscreen.
I question is: how should looks like a safety project for it? Should safety PLC send a command for PLC to undertake safety procedures or safety plc should directly disconnect the power to motors and air block, or maybe something else?
What is a general principle for Safety PLC's?
Thanks.
I have TwinCat 3 project where I control 9 conveyers by inverters connected by EtherCat and multiple air valves by EtherCat. Everything is controlled from touchscreen.
I question is: how should looks like a safety project for it? Should safety PLC send a command for PLC to undertake safety procedures or safety plc should directly disconnect the power to motors and air block, or maybe something else?
What is a general principle for Safety PLC's?
Thanks.