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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Sauron is alive in Argentina!
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A computer virus caused serious problems recently for an Australian electric utility.
New Replies:
By M Griffin on 14 October, 2009 - 7:17 pm -
In reply to Matt Warshawsky: It's just as well that you added those remarks in your second reply,...
By Matt Warshawsky on 14 October, 2009 - 12:35 pm -
I guess I should add:
A firewall is actually just a piece of software running on an embedded...
By Matt Warshawsky on 14 October, 2009 - 12:14 pm -
In response to the various posts:
A firewall with no open ports (i.e. doesn't let any traffic...
By DaveMH on 14 October, 2009 - 8:21 am -
Michael
I don't think it is entirely fair to say that all vendors wash their hands and say it is...
By M Griffin on 13 October, 2009 - 9:35 pm -
In response to various posts: I was aware of the Sydney Morning Herald report, but that was one of...
By M Griffin on 13 October, 2009 - 8:45 pm -
In reply to Dilip: Standard routers and firewalls can help somewhat with older types of worms, or...
Hello Michael,
Thank you for posting this as I am trying to keep some kind of log on incidents...
And here
...
We are also a 24x7 manufacturing unit having three standalone SCADA running on Windows platform. I...
By Andrey Romanenko on 13 October, 2009 - 8:30 am -
Hello,
I agree with Michael's ideas on the replacement of the bridge with a more robust OS and...
By M Griffin on 13 October, 2009 - 3:06 am -
In reply to RK Sastry: I can imagine a number of ways to improve your system. However the fact that...
I am also interested in knowing the details about this case. In our installation, the SCADA/PLC...
RTU / TCP mapping
New Replies:
By M Griffin on 14 October, 2009 - 6:34 pm -
In a typical Modbus RTU to TCP gateway the data stays the same. It's just the wrapper around the...
By Fred Loveless on 14 October, 2009 - 2:32 pm -
Yes it will remain the same. The address structure is exactly the same....
We have LANNER & SIERUG-C SoftAS Controllers for our Captive Power Plants. We are forced to buy SIERUG-POWER as offered by Siemens Gurgaon.
New Replies:
Rahulji,
His problem is frequent migration.
When did u had installation? Doesn't they commit...
Parashari Ji,
I would suggest instead of buying another problematic controller better go for...
Abb station does not get "enter" command
Need a PLC that runs on 12 volts and supports IEC 1131-3 Structured Text.
New Replies:
Beckhoff has a large range of controllers that use their Twincat IEC 6-1131 software, allow you to...
Does TwinCAT have Function Blocks for TCP/IP?
Looking for a PC running XP or similar that contains RS-485 ports.
New Replies:
By M Griffin on 8 October, 2009 - 8:58 pm -
It depends on what are you looking for besides RS-485. It's hard to make a specific recommendation,...
By curt wuollet on 8 October, 2009 - 1:53 pm -
Many PC104 units include ports capable of RS 485 as do some "industrial computers". You...
(Originally posted Tue, 25 Aug 1998) I am interested if anyone in the group has any specific reasons why they are still buying PLCs and not PC based controllers.
New Replies:
By Ken Emmons Jr. on 7 October, 2009 - 9:08 am -
I think the distinction is a reliable PLC vs. an off the shelf desktop PC with [at least] two fans,...
By moosty on 7 October, 2009 - 3:51 am -
Windows is not stable at all, there is an article in the link below:
...
By curt wuollet on 6 October, 2009 - 3:50 pm -
I agree for the most part and in the past, certainly. But with the PAC and the SOC low power PC...
By M Griffin on 6 October, 2009 - 2:39 pm -
In reply to Red: So, your problem seems to be the OS used in those cases? I won't argue with you...
By James Ingraham on 6 October, 2009 - 10:49 am -
Red, I have to moderately disagree, despite the fact that my company has almost entirely migrated...
By Allan Evans on 5 October, 2009 - 5:01 pm -
Hear, hear Good to read some sanity occasionally.
...
By Red on 5 October, 2009 - 2:56 am -
I have 30 years experience in Control systems including over 10 years as a Programmer Analyst...
choosing the safest and economical flow meter
New Replies:
By Mark Thomas on 1 October, 2009 - 1:56 pm -
Alee, please send me your process data and I will size out a Coriolis flow meter and provide you...
sorry for the late reply, after comparing the quotations for turbine, Coriolis and Ultrasonic flow...
By Rohit Chandak on 30 September, 2009 - 1:33 pm -
Other technology than what Mark recommended that goes very well on this applications are Turbine...
By Mark Thomas on 25 September, 2009 - 9:31 am -
A Magnetic flow meter is a bad selection for this application because of the low conductivity of...
An inquiry about programming cable and manuals for PCS 095 Operator Panel
from the Process Automations department...
Installation guide for ACM 12 card in Yokogawa centum cs 3000 DCSStep by step Installation guide for ACM 12 card in Yokogawa centum cs 3000 DCS
New Replies:
By Darren on 30 September, 2009 - 3:53 am -
Hi Dam
Yes the ACM12 is hot swapable, no shutdown of the system required.
If you are...
Dear Atetos,
please kindly consider my request from this site.I will be glad to have your...
Dear sir,
Please send me a personalized email request and I'll send you the information you need...
How to fetch weight and set point data from Jagxtreme into a PC via RS 232 port?
New Replies:
By Umesh Tiwari on 25 September, 2009 - 6:59 am -
We are facing the same problem of the communication between PC and jagxtreme by using the RS232. Is...
A question which needs an answer :)
Quick panel to 1747-SN
New Replies:
Thank you for your feed back
But can I buy a converter which has rs485 to Remote IO protocol...
How to program script into the keys of the Honeywell OEP keyboard for Experion
New Replies:
In our native window displays we have a target on the display which is configured (group number is...
Thanks so much for taking the time to respond Rudi. I really do appreciate it. However I believe...
Some technologies have been in development for years, but only a few enjoy commercial success.
New Replies:
By M Griffin on 23 September, 2009 - 4:24 am -
If I knew the answer to all that for sure, then in 3 to 5 years I would probably be pretty rich. I...
How to simulate multiple H1 PLCs with a just few PCs?
New Replies:
By Buzby on 22 September, 2009 - 11:16 am -
Hi FloatinBoatin,
I never did simulate multiple H1 comms with a single computer.
It was not...
I'm looking for Back up software for PLCs and robots in plant
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