And now we buy all these Chinese made gadgets ... On Fri, 25 July 2025, 11:10 pm Jon Elson via cctalk, <[email protected]> wrote:
> On 7/24/25 23:09, Devin via cctalk wrote: > > Greetings, > > > > Been a long while since i have posted in on here. I usually discuss my > pdp 11 and vax systems. I have decided to pivot my career to scada syatems. > The company i am with has some interesting stuff that goes pretty far back. > Our custom in house tech is a plc pump controller with a radio connection > for data logging and control. Pretty cool, 8051 based, with a version of > basic in rom that has scada functions added. The backend servers are just > linux systems, although in a modular backplane for easy replacement. > > > > I have not read much about this tech outside of what we have in house. > Are there other historic scada system computers or technologies that are > similar, easily found on ebay for example? > > > > Ive seen some mention of old allen bradley stuff, but not much notes on > how it would be used remotely in the field, as a remote > > terminal unit. > > > Allen-Bradley made a bunch of SCADA gear that was used in > power substations. > > I think theirs MIGHT have been the one that was responsible > for the Y2K scare, but it might have been somebody else's unit. > > Also, way back, there was a case where a SCADA manufacturer > thought some of their gear was being bought for the > trans-Siberia pipeline, and couldn't be sold for that under > trade restrictions. Somebody at that company got in touch > with a contact at the CIA, and asked if they wanted to > insert a "feature" into those units. They put in a time bomb > that was essentially the same as the Y2K shutdown, and blew > up the entire pipeline when all the valves slammed shut at > the same time. This info was reported by the famous Jack > Anderson in the Washington Post. > > Jon > >
