Hello Everyone,
Just a quick question regarding safety stopping function of a rotating machine control system. Say I have 2 solenoid locks on two different movable guards and 2 e-stop buttons. I want to design a CAT 3 system to bring the rotating machine to a controlled stop with removal of...
Hello People,
Sorry for another DCS vs PLC topic but I have a few questions that aren't really addressed in most of the thread questions I have found.
I have been looking to SCADA and DCS systems and there is a lot of information out there defining them but no real 'practical' information. It...
Hello There,
Can anyone recommend some good text books or online material relating to the design and management of process control systems? In particular, mineral beneficiation processes.
I want a good general text, or a couple, I can refer to help with the design process from control...
Hello,
I am currently helping develop a control system for a simple mineral process plant and need some assistance with alarming, in particular, when to deiced if an alarm is necessary or not. I am not 100% familiar with the process just yet but I have an idea of the critical aspects. I have a...
Hello Forum,
Hope this is appropriate to post here but I really need some advice. I am trying to figure out what I can do about my career situation and I have a question relating to job applications specifically cover letter and resume details.
Ill start with a bit of context. I am a...
Hello All,
I am developing an interface and data logging system for a Red Lion G306 HMI. I don't have the hardware yet so I am using the emulator which is working pretty well so far as I have it communicating with real hardware such as the PLC. For this job I am required to log sets of data...
Hello,
I have a question regarding trip times of MCCBs under short circuit conditions in practical terms. This is to use in calculation for wire sizing as I need the amount of time the short circuit will take to clear. Even though the tripping curves for the breakers I have found indicate a...
Hello all,
I need a bit of guidance in relation to the design and specification of components and cables for a process control panel. My technical studies are in mechatronic engineering and have mainly been involved in instrumentation and programming PLCs at my work place so far. I have been...