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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
As far as we know, our computer has never had an undetected error.
-- Weisert
-- Weisert
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Posts from...
Today, Friday, November 20, 2009
need help making the logic to perform the calculations to exchange 4-20mA into a pulse output
New Replies:
By Roy Matson on 20 November, 2009 - 3:18 pm -
"I am using a flow meter to measure the GPM and that sends a pulse signal to a converter that...
Digital Scale and PLC Allen-Bradley
New Replies:
By Roy Matson on 20 November, 2009 - 3:02 pm -
I have used Mettler Toledo on several projects, Devicenet and Ethernet
Roy...
By William Sturm on 19 November, 2009 - 5:36 pm -
GSE (Weigh-Tronix): www.gse-inc.com/
and Mettler-Toledo: us.mt.com/us/en/home.html.
both...
what is the difference between MMI and HMI?
New Replies:
By Roy Matson on 20 November, 2009 - 2:58 pm -
Mamal Machine Interface who could you offend by that?...
By kevin grey on 20 November, 2009 - 7:15 am -
Hi,
nothing apart from you get sued for being sexiest if sell mmi's.
lol...
Can MODBUS TCP/IP devices share the same infrastructure with Ethernet/IP devices?
upgrade of mark-4 control system to a newer version of control system.
LCN slow down when connecting TPN server to Matrikon ODH with OPC optimizer on the App-Node
New Replies:
By Wassim Daoud on 20 November, 2009 - 12:39 pm -
I am very interested to know about your OPC Architecture. OPC Optimizer should help you reduce the...
We are fetching 15000 parameters per minute with our PHD system. We have 2 history modules, 3...
what is the physical significance of "Pole" of the generator?
i want to discuss GAS ENGINES BACK FIRE , DETONATIONS , IGNITION TIMING, CYLINDER TEMPERATURE PROBLEMS
We are re-implementing the motion control of an astronomical telescope, and need to include complex calculations (in C code) into the position loop.
New Replies:
By anonymous on 20 November, 2009 - 9:55 am -
Hi,
we are using LabVIEW too. Solar telescope, and "Pinocchio". Wi/Fi, Wi/Fi cameras,...
By Steinhoff on 20 November, 2009 - 4:25 am -
> [clip]
> 3) on a PC: i.e. implement everything with a PC and linux compatible hardware....
By Steinhoff on 20 November, 2009 - 4:14 am -
> ==> Automation List post by M Griffin...
> [ clip ]
> I don't want to give the...
By curt wuollet on 20 November, 2009 - 12:03 am -
Sounds like a switch to a better supported card would get you going and preserve the work you've...
Thank you very much for spending your time and efforts... your views are most interesting, and very...
By M Griffin on 19 November, 2009 - 2:23 pm -
For each axis you will have a servo motor and drive. The motor will have its own encoder which will...
Hi,
Thank you very much for all the answers.
It is true that telescopes are mainly controlled...
By M Griffin on 18 November, 2009 - 6:33 pm -
The first thing I would do would be to ask the other observatories how they are running this...
By curt wuollet on 18 November, 2009 - 3:37 pm -
> Bill Sturm, Once again, it's much easier to do PLC functions on a <
I don't know how...
By Ken E on 18 November, 2009 - 1:08 pm -
Depending on the time involved and the performance requirements with regards to positioning,...
Hello Wim:
Our controllers have been used for many years now on many of the large telescopes...
By curt wuollet on 18 November, 2009 - 10:26 am -
Moderator's Note: post corrected to remove name at beginning of post.
Once...
By William Sturm on 18 November, 2009 - 10:13 am -
This sounds like a good application for a Delta Tau PMAC controller. The processing speed and...
By Steinhoff on 18 November, 2009 - 8:30 am -
Hello,
We have customers which are using PLCs from Siemens together with QNX PCs for running...
By Ken E on 18 November, 2009 - 8:26 am -
Some of your details are a bit vague, but it sounds like you want to skip the PLC and go with a...
Searching some Modbus sniffer software. freeware if available.
New Replies:
By Harvard on 20 November, 2009 - 9:53 am -
I have a free WIN32 Console application that diode auctioneers two Async data streams into one...
setting for 20/25 MVA, 11/33 KV power transformers for 35 MW power plant
provide input to a Data Acquisition Unit (DA100) requires 5VDC input with 10mA transistor output
New Replies:
By Robert Scott on 20 November, 2009 - 8:36 am -
You are not doing any better at describing what you want. You say that the 10ma. output needs to...
By Hattersuk on 20 November, 2009 - 6:51 am -
Thank you.
I don't think i have described this very well. I need to use a 10mA output that i...
By Carl on 19 November, 2009 - 1:10 pm -
Ohms law says current through a resistor creates a voltage drop.
R = E/I
R = 5V/0.010A
R = 500...
By curt wuollet on 19 November, 2009 - 9:14 am -
10 Ma should be great plenty for several compatible inputs. But knowing they are compatible will...
Problem after rebooting the Honeywell Plantscape R500
Static Mixer: Flow Temperature Decoupling
receiving end voltage increase in 33Kv transmission line for same input
DeltaV AO Card Malfunction.
New Replies:
By Ghate Vinod on 20 November, 2009 - 4:49 am -
Dear Brian;
Actually we didn't download the card. we are using Meco multimeters (very simle...
By Brian Mullen on 19 November, 2009 - 11:25 am -
Hi Ghate,
What type of instrument/multimeter did you use to measure the voltage. Did you measure...
By Randy Pratt on 4 November, 2009 - 12:04 pm -
The symptoms may indicate that the bussed field power was interrupted. In order to obtain the best...
Any demo-software available?
New Replies:
I know Honeywell sells a development system software license for Experion with C200 or C300...
Sorry for going lil off topic.
SPR, are you experienced with Honey Plantscape R500 as well?
...
By Vendorguy22 on 18 November, 2009 - 8:52 am -
Based on your comments above I detect that you are a local EPC. I would recommend that you work...
Experion PKS is a bundled package with C300/C200 hardware. You cannot have a convincing demo with...
looking to connect with people who have used the PI System in Power
Plants
Plants
using function code 01 for reading Booleans and from slave side address given 40010 what will our starting address?
We are trying to built up communication of power meter pm-710 with egx-100.
New Replies:
By GENJUA on 20 November, 2009 - 3:10 am -
Mark, ya i try with end terminal resistor as well.
John Correa, know i am reading only 2...
By John Correa on 19 November, 2009 - 7:10 pm -
Only thing that can suggest (by now) is that you change the update rate of your MB_TCP driver. May...
By Mark on 19 November, 2009 - 5:03 pm -
Hello,
Jumping in the middle here and I might have missed something.
How about termination...
John Correa, sometimes i get the error which is NEGATIVE ACKNOWLDGE and sometimes the error is...
The EGX100 supports a total of 32 open TCP/IP connections at one time with the 2.7 firmware. It...
By John Correa on 18 November, 2009 - 4:28 pm -
Check the error message type in your EGX100. If the error message is TIMEOUT may be something wrong...
Missing Diagnostic alarm from MKV Panel
New Replies:
Yes there is more than one unit being installed. The other one has the same prom set, but as the...
So, there is more than one unit being installed?
If so, what are the PROM revision numbers for...
At the moment they are quite in the dark also. I hope that before the end of the other...
If you're commissioning a new unit with a Mark V, what does GE say?
...
I tried verifying all this things. the only thing that comes to mind is the same that I've got at...
Then it would seem there is something amiss with the installation of TCI, CIMBRIDGE, or CIMPLICITY....
Yes sorry for not mentioning it. but I've already checked the Cimplicity alarm screen setup and it...
Now here's an interesting post. Someone who's concerned about the lack of...
Can we use the cable shield to connect 4 wire RTD
New Replies:
By John Correa on 19 November, 2009 - 7:20 pm -
Definitely not. Three and Four wires connection is for compensate the resistance added by the...
By Steve Myres, PE on 19 November, 2009 - 3:41 pm -
Just configure the receiving instrument for three wire, and snip off one of the four at the RTD...
By Roy Matson on 19 November, 2009 - 3:38 pm -
I notice that several of the vendors are providing 4 wires now.
Unless you require super accuracy...
GT Upgrade of control system
New Replies:
In reply to your posting, CSE Engineering offers our Windows based, IBECS for Turbine Control...
Would like to setup a alt71 to comm. with our plc quantum with a noe77111 card.
New Replies:
Hi,
yes it is modicon cpu, with unity software. After a bit more reading i am able to send...
What type of device are you going to use to control the Altivar 71 Drive? If it is a Modicon PLC,...
Suitable HC detector for aviation turbine fuel
New Replies:
By Roy Matson on 19 November, 2009 - 3:45 pm -
I'm sure it is, talk with your local Draeger rep. Is it in an aircraft or fueling facility?
Roy...
Does anyone have experience with AutoTuning on 7EA w/ DLN1?
Looking for UDC6000 software package CCR plant (regenerator section)
New Replies:
By Bud Buyer on 19 November, 2009 - 1:59 pm -
I'm not familiar with the TDC 3000. Can I assume that an SDI card is a serial digital interface...
Problems communicating with an INFI-90 system over fiber media converters using serial SemAPI w/ PI interface. Communications drop constantly, points take forever to load.
New Replies:
or try media converters by Omnitron Systems:
www.omnitron-systems.com
Email: info [at]...
What do you use PLC or DCS to control wind turbines?
what kind of electrical CAD software is most used by you guys?
New Replies:
By James Ingraham on 19 November, 2009 - 10:04 am -
> Is EPLAN more expensive than AutoCAD Electrical? <
It depends. When I priced them last,...
By Steve C on 18 November, 2009 - 8:00 am -
Is EPLAN more expensive than AutoCAD Electrical?...
By deVillon on 12 November, 2009 - 11:14 am -
I would like to recommend a CAD viewer for iPhone iPod called Drawvis. It uses DXF format and works...
By Ro on 26 October, 2009 - 11:51 am -
Hey,
I have been using EPLAN Electric P8. Already at the time I was generating my drawings in...
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