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We are developing a SCADA system for remote power systems. We need high speed I/O better than 60 hertz. total inputs are around 20 descrete and 10 analog, outputs are around the same in number. We would also like to beable to monitor and update the system over the internet. Has anybody have...

EEO, Yes, The 12 periods do represent the 12 months of the year. I would love to use a light sensor but this is a training project with specific learning goals. this answers xnuke too. As for nbucska, I have looked at some sunrise/set equations and they are very complicated due to the wobble...

Our company is looking of a package which can replace current PLC distrubuted IO control system. We currently have issues with the programming difficulties/limitations. We are looking for a PC based system with higher level programming software, and a more mature level of support/library of...

That would be the easy way out for sure. The point of this project is for me to learn how to store and retrieve data from the PLC registry. I am finding out that the documentation that came with my controller is very short on examples of actual programs. I am really looking for a library of...

Hello, I am new to PLC ladder logic and need to produce a directSoft program for a DL05. This program should disable a lighting system for 12 different time periods (corresponding to day light) during the year. I am thinking a look up table. As I am still somewhat inexperienced with ladder...