Select Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
Control.com topic...
PLCs
Topic: Power generation equipment control.
from the Forum department...
EEPROM Failure on Woodward Powersense Card
Posted by bacco on 7 March, 2014 - 8:25 pm
EEPROM Failure on Woodward Atlas II Powersense Card
Topic: PLCs and related questions.
from the C&I department...
PLC for Burner management system
Originally posted by Nizar on 26 March, 2013 - 3:51 am
How a PLC can be more than a Burner management system..
New Replies:
By Charles Fialkowski on 6 March, 2014 - 5:07 pm -
Have you checked out my BMS blog. It's primarily focused on using safety PLC's for BMS. ...
Topic: Software, including programming, OS issues, etc.
from the Communications department...
How do OPC works?
Originally posted by Daniel on 23 January, 2014 - 9:09 am
How do OPC works and what are the differences with other protocols?
New Replies:
By Lynn August Linse on 5 March, 2014 - 6:25 pm -
Tossing my 2 cents in :) Customers often ask YOU (aka: small device maker) to put OPC in your...
Classic OPC, That is to say OPC DA, AE, and HDA, is based upon the Microsoft COM (Component Object...
I can understand that if I have the OPC server in a PC, then it will get the field data and convert...
Topic: PLCs and related questions.
from the Automation List department...
PLC vs. Microcontrollers
Originally posted by Mubeen Ahmed on 13 October, 2002 - 10:38 am
are there any reasons why plcs are preferred over microcontrollers?
New Replies:
It might, but you have to remember that a PLC _is_ a microcontroller, with an executive and...
but microcontroller have such speed that those top to bottom line execution doesn't matter and...
Posted by ASCF on 4 March, 2014 - 4:08 am
I try to connect a Power Circuit breaker from Schneider to a Siemens PLC using Modbus RTU protocol.
Topic: Software, including programming, OS issues, etc.
from the Automation List department...
First Impressions TIA V12
Posted by Curt Wuollet on 3 March, 2014 - 9:39 pm
Using the latest S7 software.
Topic: Engineering and workplace issues.
from the Forum department...
ABB MB300 Connection to Pi using OPC
Posted by Will P on 3 March, 2014 - 7:13 pm
Anyone used Novotek OPC to connect ABB MB300 Connection to Pi?
Originally posted by instrumentation on 28 February, 2014 - 11:10 am
Using SCADA communications with a UT 35A controller
New Replies:
The 3rd digit in the model number defines which comm protocol/transport layer your 35A has. none,...
Topic: PLCs and related questions.
from the Siemens S5 IO access department...
Siemens S5 95U, 102U and 103U Communications
Originally posted by uptownlord on 1 March, 2014 - 6:01 am
I want to access data of a Siemens S5 PLC by another PLC or a computer via Ethernet
New Replies:
My first advice would be replace the PLC by something modern. Step 7 has a very good conversion...
By Gabriele Corrieri on 1 March, 2014 - 12:46 pm -
There's more ways to connect to S5 No solution available as ethernet card on rack: the ways...
Topic: PLCs and related questions.
from the Help department...
4-20 ma simulation
Originally posted by J Hoke on 6 November, 2003 - 1:00 pm
4-20 ma 2 wire simulation.
New Replies:
I found this article about 4-20 mA simulation with a potentiometer. ...
Topic: PLCs and related questions.
from the Shiplift department...
Malfunction of Analog Input Module
Originally posted by Siemens on 22 February, 2014 - 2:03 am
Problem related to Siemens analog input module
New Replies:
Did you check the earth connections? Is the negative from the 24V supply connected to earth, Is...
Without a recent change in software, it sure sounds like your AI is bad. Not much to do but swap...
What kind of load cell do you have that outputs a milliamp signal? Most load cells have a...
sir actually i have checked the mA value in both load cell output and AI module. the value...
If you change the load and the indicated load doesn't change, there's a good chance that the load...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Actuators requiring 50 mA current
Originally posted by Jimmy Mascrehnas on 23 February, 2014 - 6:48 pm
How do actuators requiring 50mA current work?
New Replies:
Player, Can you please cite the standard which you are referring to? Is it IEC? ANSI? EU/TUV?...
I am working on turbine specific control module of Siemens that is ADD FEM. It has an added...
2 wire, loop powered, 4-20mA field transmitters use approximately 3.5-3.6mA to run the device's...
> I think you've answered your own question; whatever device is using a > 50mA control...
I think you've answered your own question; whatever device is using a 50mA control signal needs...
Topic: PLCs and related questions.
from the dept of redunancy dept department...
PLC remote communications
Originally posted by rookieca on 14 December, 2013 - 11:48 am
Remote communications of machine PLC, without going on to customer network
New Replies:
I'm kinda keying on your use of 'units' in this post as an indicator of power generation, so I'm...
Originally posted by Javad babaee on 1 November, 2012 - 11:43 am
2 question regarding getting information from master using C++ and reading analog registers at the same time (I'm using AVR)
New Replies:
you can't synchronize the master request and the ADC read. if the ADC value isn't ready in 3.5 time...
Topic: Power generation equipment control.
from the Forum department...
Mark V Time sync problem
Originally posted by dinster on 8 December, 2010 - 3:09 am
problem with Mark V HMI time-sync
New Replies:
syed_hassan08, Thanks for the feedback!...
We have solve the problem of MARKV time sync by adjusting the time through the DCS by giving...
Refer to same as Syed Hassan mentioned, we investegated the problem a little bit and found that the...
Topic: PLCs and related questions.
from the Forum department...
Converting a Siemens S7 PLC program
Originally posted by Reinhardt s7 300 on 24 February, 2014 - 5:30 am
S7 300 plc and its programming.
New Replies:
That's what they say, but there are some gotchas and it can make for some strange RLL. Regards ...
From the "View" menu, you must select KOP. If the code is written with the function...
Topic: PLCs and related questions.
from the mechanical department...
Coding PLC ladder methodology?
Originally posted by liarlai on 23 February, 2014 - 10:49 pm
Is there a methodology of coding PLC ladder?
Any website or books or insight would be appreciated.
New Replies:
I would think that reading a lot of ladder code would have shown, that if there is a proper method,...
Amen to that! I've often seen the organization of code done in a process flow manner (at least...
I don't know if you'll find anything formal written down. If you do, it'll probably consist of...
I agree with the other posts. I was brought up with Ladder logic by a mentor/friend who was...
Ladder logic is very good for certain kinds of coding. If you have a lot of stuff that is...
There are countless methods, depending on many variables. Some PLC's are easier to write well...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Android tablet for HMI?
Originally posted by Ken E on 3 June, 2011 - 11:18 am
Using an Android tablet as an all in one PLC.
New Replies:
Accessibility for mobile devices is one of the expectations HMI/SCADA software developers will have...
Our client for Android can be downloaded from ...
I have been using Android, iPad and iPhones to "mirror" the display on Siemens HMIs. They...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
ABB ACS 800 relay
Posted by Gil on 24 February, 2014 - 6:44 am
activating a relay on ABB ACS800 inverter
Topic: Software, including programming, OS issues, etc.
from the R&D department...
Help with MODBUS Address
Originally posted by gil on 2 February, 2014 - 7:26 am
Help needed with writing a bit (true/false) to a modbus adress
New Replies:
I'm very very sorry. The relay is on X25 where the power (+24V) is connected to port 2, and the...
Topic: PLCs and related questions.
from the Forum department...
Telemecanique TSX 17
Posted by Steve Ashcroft on 22 February, 2014 - 8:29 am
Telemecanique TSX 17 shows no power
Topic: PLCs and related questions.
from the Automation List department...
Any Volunteers?
Originally posted by Curt Wuollet on 20 May, 2006 - 4:11 pm
I want to convince at least one leading PLC manufacturer or relabeler to at least cooperate with an effort to produce an OSS PLC programming toolset to run on Linux.
New Replies:
> I want to convince at least one leading PLC manufacturer or relabeler to > at least...
Select Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
 
 

Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2014 Nerds in Control, LLC. All rights reserved.

Users of this site are benefiting from open source technologies, including PHP, MySQL and Apache. Be happy.


Fortune
Faith, n:
That quality which enables us to believe what we know to be
untrue.
Advertise here
Advertisement
our advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive