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- PC reliability?
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- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
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Posts from...
Thursday, September 11, 2008
Does any PLC programming software implement the object-oriented-programming concept of "inheritance"?
New Replies:
By Michael Griffin on 11 September, 2008 - 1:46 am -
By Michael Griffin on 11 September, 2008 - 1:46 am -
In reply to Vladimir Zyubin: On the one hand you say SFC and Petri nets are bad, while on the other...
How to check a transformer's healtiness? How to ascertain its turn ratio? What is PI test and how to perform it? What is tan delta test and its significance? Take one example of 3MVA transformer. Kindly help.
New Replies:
By M.M.Batra on 11 September, 2008 - 1:41 am -
By M.M.Batra on 11 September, 2008 - 1:41 am -
Hello Sandeep,
First you check the IR value as per Transformer voltage rating, Winding...
I want to print Russian (Cyrillic) text with Siemens S7 and a CP340 to a Zebra printer. The text is fixed, and has to be written into a DB (ARRAY with type CHAR).
New Replies:
By Michael Griffin on 11 September, 2008 - 1:41 am -
By Michael Griffin on 11 September, 2008 - 1:41 am -
I don't know which Zebra printer model you are using, but Zebra mentions that some models at least...
Help in type commands in HP VEE direct I/O to a temperature controller using Modbus RTU protocol.
New Replies:
By Nelson Mambre on 11 September, 2008 - 1:38 am -
By Nelson Mambre on 11 September, 2008 - 1:38 am -
HP VEE or now Agilent VEE has its own user list, and there have been examples on using Modbus...
What is the difference between Normal Earth Fault, REF & Standby Earth Fault?
Ethernet & TCP/IP
Connection types in a compound engine
Can anyone suggest
New Replies:
By Abdel Nasser Marwat on 11 September, 2008 - 1:32 am -
By Abdel Nasser Marwat on 11 September, 2008 - 1:32 am -
Consider using small data loggers which just look like USB stick. They are battery operated and one...
Frame-6 MKV Gas Turbine Constants
How can I use SFC communication to send and receive data in two stations (two CPUs) in S7 Siemens PLC with small program?
Oscillations in control system.
New Replies:
By Hans H. Eder on 11 September, 2008 - 1:30 am -
By Hans H. Eder on 11 September, 2008 - 1:30 am -
Since you are controlling a pressure, I-action must be applied carefully and a Ti of 5 sec is quite...
By pk on 11 September, 2008 - 1:12 am - Dear Morpheus,
How can I make offline test? Do you mean manual mode? Please give me some more...
how to implement remote control for chemical injection skid flow control valve...
New Replies:
By Roy Matson on 11 September, 2008 - 1:29 am -
By Roy Matson on 11 September, 2008 - 1:29 am -
The Amflow AM7B seems to be a pretty fancy mechanical valve, I couldn't find the actuator wiring on...
Keltronics k095
New Replies:
By Fz on 11 September, 2008 - 1:27 am -
By Fz on 11 September, 2008 - 1:27 am -
I contacted Schlumberger but they have not responded yet. Can anybody help me find contact...
Looking for information concerning any limits on the amount of back pressure (due to exhaust noise baffling) on a Frame V Gas Turbine.
New Replies:
By Aliban on 11 September, 2008 - 1:13 am -
By Aliban on 11 September, 2008 - 1:13 am -
Sorry for interruption.
During my searches about the effect of HRSG on GT, from MW point of...
Measuring static pressure losses in exhaust duct on GE LM6000 gas turbine.
New Replies:
By CSA on 11 September, 2008 - 1:09 am -
By CSA on 11 September, 2008 - 1:09 am -
GE usually provides what are called "pancake probes" which must be placed in an area that...
Can anybody tell me the differences between H51S and H41...
New Replies:
By Nick Mellor on 11 September, 2008 - 1:08 am -
By Nick Mellor on 11 September, 2008 - 1:08 am -
H51 has a CPU rack and a max. of 16 I/O racks. H41 is a single rack containing CPUs and up to 13...
Can anyone explain to me the meaning of "DLN system tuning"?
New Replies:
By Simon on 11 September, 2008 - 12:55 am -
By Simon on 11 September, 2008 - 12:55 am -
DLN tuning I think is different if you have DLN1 or DLN2. I have heard that DLN2 is normally...
need help on brewmaxx
New Replies:
By Heinrich Junker on 11 September, 2008 - 12:54 am -
By Heinrich Junker on 11 September, 2008 - 12:54 am -
For more information regarding Brewmaxx DCS, please contact info@proleit.com and inform about...
need information for absolete field Instrument
New Replies:
By Issac Issachar on 11 September, 2008 - 12:50 am -
By Issac Issachar on 11 September, 2008 - 12:50 am -
On a couple occasions, I have scanned & emailed a couple pages of older paper manuals that I...
Requesting member feedback for the replacement selection of an existing petrochemical control system "DCS".
New Replies:
By GeorgeWhaley3 on 11 September, 2008 - 12:42 am -
By GeorgeWhaley3 on 11 September, 2008 - 12:42 am -
Jari,
Thanks for your questions.
I have worked in the industrial field for 30+ years and my...
Our annubar was broken.
New Replies:
By Ulf on 11 September, 2008 - 12:32 am -
By Ulf on 11 September, 2008 - 12:32 am -
Can't get the flow to fit with the pipe id. The given flow seems very low. Can you check that it's...
Can anyone direct me to a web site that reviews and/or compares the VFDs of different manufacturers, with particular interest in the Ethernet communication feature?
Mark V C A4 problem
New Replies:
By prosper on 11 September, 2008 - 12:17 am -
By prosper on 11 September, 2008 - 12:17 am -
Thanks for the response. The problem occurred as result of a power down and power up. The cable 3PL...
We are going to carry out wiring from live +24VDC system to our PLC system. We are being forced to carry out this operation with out shutdown.
New Replies:
By CSA on 11 September, 2008 - 12:16 am -
By CSA on 11 September, 2008 - 12:16 am -
I would venture to say that the original poster didn't get quite the reaction he anticipated, and...
Medium voltage cable connection
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