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.
Any suggestions are appriciated, trying to read more into scada tech outside of my company's tech.
Thanks,
Devin D.
Honeywell made a large number of these systems, which were in use in
many industries (oil refining, manufacturing of all types, water utility
distribution, etc.). They were quite expensive, and PLC manufacturers
have made great inroads into that market in the past couple of decades.
As a result, some of that equipment is showing up in the surplus market.
I found a Honeywell "Orion" console desk being disposed of that I would
have loved to take, except that it was truly massive (it must have
weighed nearly a thousand pounds!). It was electrically height
adjustable (with memory), had mounts for two very large monitors,
integrated lighting, cable management, and rack spaces for physical
buttons and lights. Actually, a lot of their equipment is pretty
massive, especially when compared to current-day PLCs.
~~
Mark Moulding
There's been discussion of this on the VCFed forum, but it doesn't look
like anybody's brought it up here yet. Per Mike Brutman, list member
Chuck Guzis a.k.a. Chuck(G) passed away recently. He was highly
knowledgeable, a full-bore storage expert, and an all-around even-keeled
decent sort, and will be missed.
(forgive the dual post with Midatlantic Retro if you're in both groups....)
Hello
I have been in my spare time messing around with NeXT hardware and I have
built three extra working NeXT cube systems (mouse keyboard, computer,
display) that I would be willing to let go for less than Ebay prices (look
on Ebay for sold status complete systems). Two of them have SCSI2SD hard
drives and I have one that still has a working original drive. I don't
have any optical disks available, but the optical drives come with the
system, untested. There are always caveats to define "works", but
basically these are working computer systems that could be connected to a
network and they come with a basic Next OS installed.
I don't want to ship these if possible. So if you're willing to pick up
the system (Landenberg, PA), you can try before you buy and pick the one
you want at a discount to Ebay price. Contact me through
kennettclassic.com/contact.cfm with your offer/timeline. FIrst come first
served.
Shipping is available if you want to pay a shipping charge, plus postage.
I have shipping boxes. I am going to VCFMW this year, but I am flying
there and won't be able to bring them. If you want the cube system
delivered to VCFMW, you'd have to find someone to deliver it for you, or
have it shipped. I am willing to deliver a system a reasonable distance
from the Phila/Baltimore area.
Cash, CC, Paypal, check accepted.
Bill Degnan
484 732 7041
kennettclassic.com
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Jeff Brace
I have an 11/93 with 2MB of memory onboard. I would like to kick it up
to 4MB. I got some memory a while ago that was supposed to be PMI for
it but it turned out to be UNIBUS and thus no help. I have some old
fashioned QBUS memory module floating around. Will these work to add
the missing 2MB or can the 11/93 only use PMI?
Would be nice to wake this old box up again. I have this cool
Decromancer just crying for somewhere to run.
bill
