![]() This means if you do use SLC-500s in production, you'll want to be sure you acquire (and thoroughly test if recycled) ample spares to keep your machines going for years to come. That's not to say it's a bad product, or that you should worry about your installed base of SLC-500s, but you should be aware of a few things.įirst, Rockwell makes very few new SLC-500s today, and they are expected to stop making all SLC-500 products in the coming years. While many of you may think that's an obvious statement, just a few years ago a company duped one of our local towns here in the Berkshires into buying a complete control system based on the ancient SLC-500 (ugh.)įor those who don't know, the SLC-500 product line came out nearly thirty years ago, and using it on new systems would be akin to using 286 PCs along with 5.25″ floppy disks. To be frank, if you're building a new system today you should absolutely not be using the SLC-500. In fact, it's my opinion that any system you built in the last ten years should not have been built using a SLC-500. ![]() ![]() So today's question is, “Is the SLC-500 still viable?” I believe the reason for that question was due in large part to the fact that when he tried to get support for the SLC-500, he felt the local rep was only interested in selling him an upgrade to ControlLogix. I recently received a message from someone who had just purchased a used machine with a SLC-500 based control system on it.īecause most of his existing systems use simple relay controls, the new owner of the machine was reaching out to me about training on the SLC-500, as well as to ask several questions which all boiled down to, “Is the SLC-500 still viable?”
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