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- PC reliability?
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- 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?
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Can MODBUS TCP/IP devices share the same infrastructure with Ethernet/IP devices?
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,...
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...
Hello Wim:
Our controllers have been used for many years now on many of the large telescopes...
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...
Problem after rebooting the Honeywell Plantscape R500
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...
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...
Need to connect Micrologix 1100 PLC to Agilent 34980A.
New Replies:
By Harvard on 18 November, 2009 - 11:21 am -
Am I missing something? What does the IEEE 488.1 and 488.2 standard have to do with RS485? The MM...
By Brian Beal on 18 November, 2009 - 5:53 am -
I am not sure if the Micrologix can do ASCII serial, but if it can then you should be able to use...
By Harvard on 16 November, 2009 - 11:12 am -
You can configure the MM Transmitters with almost any generic Modbus Host. For example, the...
We have the base models of the MM. off the top of my head I think it's the 1700 so it only has one...
By mongerf on 13 November, 2009 - 9:57 pm -
Your existing Micrologix 1100 can easily read modbus registers into its own internal data...
By Harvard on 13 November, 2009 - 9:01 pm -
Are you sure you even need Modbus? Most all MM Transmitters support 2 x 4-20 mA Analog Outputs that...
By Harvard on 13 November, 2009 - 8:50 pm -
The PLC would serve as a Modbus Host over RS485 to all MM Transmitters. The PLC program would then...
I have been instructed not to go with the option of using the VB modification. We already have the...
Mark-II is installed on one of our turbines. We have faced grounding faults both Speedtronic and 125VDC fromlast 8 years. Recently i have traced these grounds and rectified them. I have also developed a complete case study of this hectic job.
New Replies:
Hi,
Can I have a copy of you report too.
My email is fadzril_idzham [at] yahoo.com
Thanks...
plz email me at: dezerthorse [at] yahoo.com
thankx...
By BB on 17 November, 2009 - 2:10 am -
Hi Adeel,
Thanks a lot for your help, Please send it to my email:
bouarfab [at] yahoo.fr ...
Dear Adeel Imtiaz,
You can check out the ControlWiki website at:
...
By Adeel Imtiaz on 16 November, 2009 - 12:04 am -
Dear CSA,
The report has a lot of snaps/pictures and its in PDF format. Is there any other...
I would think this would be a good candidate for the control.com ControlWiki:
...
Adeel,
Please send it to my email first! :)
adil.ishaque [at] gmail.com...
Rs logix tag generator error
communicate with a gsm modem connected to RS232 using matlab
New Replies:
At first you have to mention the communication protocol (Serial or parallel,or usb) between modem...
By milli on 16 November, 2009 - 12:26 am -
Let me explain the problem more clearly...
i am actually trying to get data from a oscilloscope...
need modbus map
New Replies:
Hi! I got mine from the internet. The document name is "ION 7500/ION 7600/ION 8000 Series...
Modbus and acyclic time
New Replies:
Some of the functionalities are located on the field, in particular the diagnostic functions. I...
By M Griffin on 16 November, 2009 - 9:16 pm -
Modbus is strictly a communications protocol. The DCS, PLC, or other controller determines how and...
We are facing speed variation in one of our turbine in DROOP mode. Variation is between 5088-5090.
New Replies:
By M Griffin on 16 November, 2009 - 8:47 pm -
CSA said:
> More problems can be created where none existed by technicians performing...
When you operate two generators in parallel, with one in droop and one in isochronous mode, the...
It's likely the two are one. If your post is understood correctly, 701 is controlled by the...
modbus communication distance maximum
New Replies:
By Darrin Hansen on 16 November, 2009 - 9:35 am -
Modbus itself specifies no distances, as it doesn't even specify any particular physical layer. ...
I need to program s7-200 using USB PPI cable and wonderware incontrol
Looking for any documents or tutorial about the AIS-spol PMU
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