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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
The easiest way to figure the cost of living is to take your income and
add ten percent.
add ten percent.
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Posts from...
Saturday, December 1, 2007
Looking for a solution to setup communication of iFix with Moore APACS DCS
New Replies:
By Eric Murphy on 1 December, 2007 - 6:55 pm -
By Eric Murphy on 1 December, 2007 - 6:55 pm -
MatrikonOPC has an OPC Server for APACS.
...
Looking for sample code to get data from a bar code reader using a S7-300 PLC.
New Replies:
By H.Hassona on 1 December, 2007 - 6:54 pm -
By H.Hassona on 1 December, 2007 - 6:54 pm -
Dear Arturo,
My colleague had done this before but using S7 224 XP. I don't know how to make it...
Handling non-linearity of butterfly valve in a PID loop
New Replies:
By H.Hassona on 1 December, 2007 - 6:54 pm -
By H.Hassona on 1 December, 2007 - 6:54 pm -
I'm really very thankful for those who posted replies and I'm sorry as my description missed some...
By Marcos Therni Bergamo on 1 December, 2007 - 1:43 am - Mr. Hassona
The valve+positioner calibration is usually only the 0 and 100% opening setting (and...
MKV Cores Not at A7 status
New Replies:
By Danno on 1 December, 2007 - 6:53 pm -
By Danno on 1 December, 2007 - 6:53 pm -
Alarms are still there.............
walleyedan at gmail dot com
Thanks!...
By forstand on 1 December, 2007 - 10:34 am - Danno, obtain and post a throw away email address from gmail or hotmail. I am sure someone will...
We are in the middle of design for one of the most complex fish hatcheries ever to be built in North America. Our engineering consultant is recommending standard PLC and SCADA alarm and control system but one of our staff is really pushing a WinPLC based system...
New Replies:
By Curt Wuollet on 1 December, 2007 - 6:52 pm -
By Curt Wuollet on 1 December, 2007 - 6:52 pm -
Hi Nathan
Nathan Boeger wrote: "I agree that it's an implementation issue not a technology...
By Curt Wuollet on 1 December, 2007 - 6:41 pm - What he said! They are converging and pretty soon you will need a score card to tell the...
By Michael Griffin on 1 December, 2007 - 10:45 am - In reply to Nathan Boeger:
NB: "PCs do crash routinely compared to PLCs"
MG: If...
By Nathan Boeger on 1 December, 2007 - 10:43 am - I agree that it's an implementation issue not a technology one - that's been the case for years. I...
By Curt Wuollet on 1 December, 2007 - 12:52 am - Hold that thought.... I am interested enough to do the digging, but I am shorter on time lately...
By Jas on 1 December, 2007 - 12:46 am - Hi,
A PLC is a means of bullet proof automation. That's its job.
SCADA is a means of...
By Michael Griffin on 1 December, 2007 - 12:40 am - In reply to Victor Robert: You used MS Windows 95 in control applications and "never...
Every time I plug in my Cat5 cable to the CPU the entire PLC shuts off.
New Replies:
By Curt Wuollet on 1 December, 2007 - 6:37 pm -
By Curt Wuollet on 1 December, 2007 - 6:37 pm -
Wrong cable shorting the power supply.
Regards
cww...
Does anybody have the User Manual & Maintanance Guide for CMAC IV?
New Replies:
By Andy on 1 December, 2007 - 6:36 pm -
By Andy on 1 December, 2007 - 6:36 pm -
I have the later SV2 user application manual. Do you have an earlier version? I'm looking for that...
Momentary pushbutton inputs to control PC digital IO
New Replies:
By Bob Peterson on 1 December, 2007 - 6:35 pm -
By Bob Peterson on 1 December, 2007 - 6:35 pm -
If it is a true safety hazard, controlling it through anything other than a safety rated device...
By Tom Chubb on 1 December, 2007 - 10:55 am - Not too sure if I've understood what you require, but to avoid any software changes you could...
By Michael Griffin on 1 December, 2007 - 10:54 am - First I would suggest checking if the input to the machine has a "one shot" in software....
How should I configure SCADA and RSLINX to work together in order to get data from SLC 500 PLC?
New Replies:
By Michael Batchelor on 1 December, 2007 - 6:33 pm -
By Michael Batchelor on 1 December, 2007 - 6:33 pm -
Well, my reply was based on my own personal battle scars. I'd show them, but there not in polite...
By Bob Peterson on 1 December, 2007 - 6:32 pm - I have never understood why people think RSLinxLite should include an OPC server. No one else...
By Bob Peterson on 1 December, 2007 - 6:31 pm - I have used both and they both seem quite easy to use. The Kepware instructions are clearer though....
By Nathan Boeger on 1 December, 2007 - 10:39 am - Lol - 4 replies that RSLinx Lite doesn't work. Rockwells spread very effective widespread training....
By Alejandro on 1 December, 2007 - 1:23 am - Thanks a lot. Using OPC Server is the solution. I am looking forward to get the RSLinx with the OPC...
By Mohamed Abdelsalam on 1 December, 2007 - 1:18 am - I am also supporting using Kepware. I had the RSLinx that has the OPC feature, but honestly it is...
Soliciting advice on having an underground water system for the first time.
New Replies:
By denn on 1 December, 2007 - 10:57 am -
By denn on 1 December, 2007 - 10:57 am -
Tom,
An ultrasonic would be ideal but this tank is probably buried 1 to 2 meters below the surface...
By Tom Chubb on 1 December, 2007 - 1:05 am - Assuming that you won't easily be able to install a level switch in the bottom of the tank, you...
Trying to configure logic for lead/lag for 2 pumps (P1, P2,), and need to develop a logic diagram...
New Replies:
By Anon on 1 December, 2007 - 10:56 am -
By Anon on 1 December, 2007 - 10:56 am -
You can find good examples here under "Allen_Bradley" and chose "AB5 PLC...
Interfacing of Parallel Printer with MARK-IV control system.
New Replies:
By CSA on 1 December, 2007 - 10:51 am -
By CSA on 1 December, 2007 - 10:51 am -
Not possible to easily use a parallel printer on a Mark IV.
I just did a Google search of...
I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
New Replies:
By Michael Griffin on 1 December, 2007 - 10:50 am -
By Michael Griffin on 1 December, 2007 - 10:50 am -
In reply to Nathan Boeger: You keep repeating that he should be using an off the shelf program. I...
By Nathan Boeger on 1 December, 2007 - 10:36 am - Mike,
I hear what you're saying and there's a gray area, often pretty subtle. A lot of things fall...
By Nathan Boeger on 1 December, 2007 - 1:38 am - Can't argue with that point AT ALL. Reminds me of networking. It used to be that one would learn a...
By Michael Griffin on 1 December, 2007 - 12:49 am - In reply to Nathan Boeger: The intent that I was trying to convey was that the ActiveX package that...
Intermittent fluctuations of CPD
New Replies:
By CSA on 1 December, 2007 - 10:48 am -
By CSA on 1 December, 2007 - 10:48 am -
Look at the Mark V Application Manual, GEH-6195, Appendix D, the page "<Q> Core -...
I want to use potential earth of a three phase system as a zero wire.
I need Foundation Fieldbus modules in Modicon Quantum. If module is not there, is any readymade third party gateway available?
New Replies:
By Jonas Berge on 1 December, 2007 - 10:47 am -
By Jonas Berge on 1 December, 2007 - 10:47 am -
This is a gateway between fieldbus and Modbus you could use this:
...
Info on AEES inverters
New Replies:
By CSA on 1 December, 2007 - 10:42 am -
By CSA on 1 December, 2007 - 10:42 am -
Okay, the first thing you need to realize is: Not every unit is supplied with an inverter; or,...
By Steve Yates on 1 December, 2007 - 12:54 am - AEES seem to be based near me in Lyon, France. The email address for their service dept. is...
Magelis Error Message
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
New Replies:
By mustafa on 1 December, 2007 - 10:40 am -
By mustafa on 1 December, 2007 - 10:40 am -
Thanks for info.
I recieved the pinouts from tech support and was able to have someone make some...
Is Iconics better than Wonderware, Citect, Intellution?
New Replies:
By JS on 1 December, 2007 - 10:38 am -
By JS on 1 December, 2007 - 10:38 am -
My friends, I work with InTouch, Panorama, Citect, Fix, Monitor Pro, PCVUE and others and for me …...
Please confirm if each channel of an analog or digital input/output module for a PLC is provided with earth fault detection...
New Replies:
By Michael Griffin on 1 December, 2007 - 10:37 am -
By Michael Griffin on 1 December, 2007 - 10:37 am -
Sorry, but I think you need to get those answers from someone else....
'Heat rate' vs 'Thermal Efficiency'
What are the parameters and the specifications that I should consider?
What is the power supply requirement for a Mark 6 control system?
New Replies:
By CSA on 1 December, 2007 - 1:33 am -
By CSA on 1 December, 2007 - 1:33 am -
Ask your packager to refer to the Mark VI Control System Guide, GEH-6421K, Vol. I, Chapter 4, page...
Connecting a 3 phase motor to MicroLogix 1500 PLC
New Replies:
By edwardel on 1 December, 2007 - 1:31 am -
By edwardel on 1 December, 2007 - 1:31 am -
The motor is a filtermist unit, and right now it's just being controlled by an on and off switch,...
Empty summary
PLC program is faulted and I cannot find the error.
New Replies:
By Jeremy Pollard on 1 December, 2007 - 1:20 am -
By Jeremy Pollard on 1 December, 2007 - 1:20 am -
Is the fault light on solid or flashing??
Cheers from: Jeremy Pollard, CET The Caring...
Communication between a ControlLogix and a computer
New Replies:
By billy on 1 December, 2007 - 1:13 am -
By billy on 1 December, 2007 - 1:13 am -
Thanks a lot for your help.
Somebody said I don't need to add and configure the DHRIO module to...
By Hugo on 1 December, 2007 - 12:43 am - Yes it's possible.
First you make a RS-232 cable for the KF2 to computer that works.
Then you set...
I get a "KFD32 Error: Operation timed out" when trying to configure the DeviceNet Driver in RSLinx
New Replies:
By Trevor Ousey on 1 December, 2007 - 1:10 am -
By Trevor Ousey on 1 December, 2007 - 1:10 am -
Hi Ben,
Are you using a KFD box? These units have a serial in one side and DeviceNet on the...
How is the value of C.B first pole to clear factor derived?
New Replies:
By Subrata De on 1 December, 2007 - 1:06 am -
By Subrata De on 1 December, 2007 - 1:06 am -
Why it is called "First pole to clear factor"? What is the significance?...
Problems configuring the DeviceNet driver in RSLinx
I want to calculate the size of the cable to be used for earthing for 11 kv having a short circuit current of 25 ka and then above 25 ka.
New Replies:
By Phil Corso, PE on 1 December, 2007 - 12:53 am -
By Phil Corso, PE on 1 December, 2007 - 12:53 am -
Anonymous' 30-Nov (23:28) question needs clarification:
1) What does the 25-kA figure...
Building a USB interface that can be used with LABVIEW
from the electrical/electronics engineering department...
Converting adc0804 output to 7-segment displays or lcd
Converting binary output to decimal/digital display
New Replies:
By Curt Wuollet on 1 December, 2007 - 12:46 am -
By Curt Wuollet on 1 December, 2007 - 12:46 am -
By far the easiest way to do that if you don't want to mess with more chips is to simply add a $10...
Looking for a graphics designer component which can be integrated into an existing application.
New Replies:
By CSTSOFT on 1 December, 2007 - 12:41 am -
By CSTSOFT on 1 December, 2007 - 12:41 am -
Very good graphic designer coming soon.
Please visit http://www.cstsoft.com...
100m distance sensor
New Replies:
By Valentine Sonnier on 1 December, 2007 - 12:37 am -
By Valentine Sonnier on 1 December, 2007 - 12:37 am -
Ultrasonics has been measuring level at long range distances for years but we typically recommend...
Anyone with experience in using the CSTSOFT company's realtime database?
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