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Control.com topic...
Applications
Originally posted by John Correa on 28 October, 2014 - 10:55 pm
Are there some useful technician instruments for finding faults in electrical equipment
New Replies:
You can make some really good guesses with a voltmeter. If the ends show a low voltage there's a...
Topic: Information resources, documentation.
from the Fire alarm department...
Speaker Strobe for Class 2 Div 1 Rated Area
Posted by Bob on 28 October, 2014 - 10:31 am
Explosion proof/dust proof equipment needs
Topic: Engineering and workplace issues.
from the Automation Safety department...
AB or Siemens Equivalent Safety Product as Sick's Flexi-Loop
Originally posted by Weida on 23 September, 2014 - 11:49 am
Is there any Allen Bradley or Siemens safety product that has similar modular capbilities as Sick's Flexi-Loop system?
New Replies:
Looking forward to reading more. Great article. Much thanks again. Much obliged....
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
Instrument Control Loop
Originally posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
New Replies:
As posted by dave, something must have changed. Besides hardware (valve) problems, there could be a...
Topic: Application Questions and Problems
from the elec shortcomings department...
Using a Linear Actuator
Posted by richtad on 23 October, 2014 - 9:24 am
Using a 12v linear actuator to raise and lower my router mounted in a router table
Topic: Engineering and workplace issues.
from the Instrumentation department...
Installation of Ex-ia Converters in Ex-ia Junction Box
Originally posted by giorgioCDB on 26 August, 2014 - 11:34 am
Installing Ex-ia converters in Ex-ia Junction Box instead of EX-d
New Replies:
as temperature converters are Ex-ia, they can be mounted in Ex-D JB or even weatherproof JB as it...
Topic: Human-Machine Interface and SCADA.
from the SCADA department...
Wincc 7.2 Connection to Database
Posted by Stavros on 15 October, 2014 - 3:13 am
Is there a C-script or VB-script for connecting to Oracle database
Topic: Engineering and workplace issues.
from the No Man's Land department...
Large area protection
Originally posted by Ken Crater on 22 October, 2012 - 8:26 am
What are the most effective ways to protect the area around an automated machine that is physically large?
New Replies:
Ken, We have the option to modify the working envelope of a robot by programming it. This helps...
Topic: Application Questions and Problems
from the What, me worry? department...
Risk assessments for automated machines
Originally posted by Ken Crater on 19 October, 2012 - 12:31 pm
Do you do formal risk assessments as part of the design process?
New Replies:
Yes Ken, I'm related to the Gas Turbine based co-generation power plants. The Industry...
Topic: Power generation equipment control.
from the Mechanical department...
Exit Guide vanes of Gas Turbines
Originally posted by Izhar on 19 July, 2014 - 4:24 pm
Gas turbine exit guide vanes and how to use them
New Replies:
Hello there, I regret to reply after such a long pause. Right now I am about to join a new...
Hi fluid flow Can you please email me some stuff (presentations/pdfs) regarding cooling and...
Hello fluid flow Yes the turbine clearance may have increased. The turbine is operation with 1-2...
Topic: Application Questions and Problems
from the Control Panels department...
Push In Jumpers for Terminal Blocks
Originally posted by geoff on 11 October, 2014 - 12:20 pm
Do push-In terminal block jumpers hold up under vibration?
New Replies:
Seems that some of the Phoenix stuff is pretty well rated. Might have a look, if you really want to...
I'm interested in this as well. The ones I've don't seem very robust. I've come to accept spring...
Originally posted by igor on 24 March, 2012 - 3:52 pm
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
New Replies:
I like what David Todd said about calibrating the transmitter in linear mode (techs are very...
Topic: Application Questions and Problems
from the Right way to do this? department...
Pump Running Indication on Control Circuit
Originally posted by Stumped on 10 October, 2014 - 4:19 pm
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
New Replies:
It was a solenoid valve indication with the open/closed indication being only coil voltage while...
Roy, Wasn't something like this involved in the 3-Mile Island catastrophe? Phil....
Feed the contactor coil from downstream of the circuit breaker just like they have been doing for...
This can be achieved in multiple ways. I guess you are already reading the Ampere load to the...
A pressure switch could be used in series with the aux contact to indicate the pump is producing...
the normal way this is handled is by opening the power to the contactor coil if the CB trips. this...
Topic: Human-Machine Interface and SCADA.
from the automation department...
Fast Alarms Between PLC and HMI
Originally posted by EG on 3 October, 2014 - 3:19 am
How can we make an hmi operator panel detect fast alarms?
New Replies:
Use an alarming sbr in the PLC to time expand.... with Rockwell it would be the TT (timer timing...
Topic: PLCs and related questions.
from the Forum department...
PLCs for Beginners
Originally posted by Mr. James on 6 October, 2014 - 2:37 am
I need to learn how to operate and use PLCs
New Replies:
PLC programming has a lot of Logic involved. I would recommend you to start from there. Start...
I self-taught with a DirectLogic 05 from AutomationDirect. The components are very inexpensive and...
Topic: Communications systems and equipment.
from the Forum department...
Modbus frame size
Originally posted by Bin on 6 August, 2009 - 5:25 am
Can I use the Modbus frame size larger than 256 bytes?
New Replies:
What happen if you request more than 125 registers? will Modbus device send out two response...
Topic: Software, including programming, OS issues, etc.
from the BMS department...
Niagara report
Posted by arun on 7 October, 2014 - 8:41 am
How to have an excel report with Niagara?
Topic: Motion control, servos, steppers, etc.
from the Industrial Automation department...
Modbus TCP/IP
Posted by Mikey on 7 October, 2014 - 5:41 am
Developing Modbus TCP/IP on RX63NB board with DP83620 as PHY layer interface.
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Adding Modbus register values together
Originally posted by David on 20 August, 2014 - 3:07 pm
How can you add MODBUS registers?
New Replies:
I have a solution in which you will also have a display of the values and the sum. Using our...
Topic: Continuous process industries, DCS questions.
from the General Engineering department...
DCS vs PLC
Originally posted by Krishna K. Naidu on 29 June, 2006 - 12:11 am
Advantages of DCS over PLC for Gas turbine control
New Replies:
I am in agreement and as a proponent of Allen Bradley systems, the difference is in the planning....
Topic: Power generation equipment control.
from the Forum department...
Generator Load Sharing Issue
Originally posted by RigMan on 2 September, 2014 - 1:41 pm
High amps on one generator
New Replies:
> I have 3 Waukesha LNG generators that run in parallel, the number running depending on load...
Topic: Software, including programming, OS issues, etc.
from the ESD department...
ProSafe-RS, Is It Online Configurable?
Posted by Abdolazim Hasseli on 24 September, 2014 - 1:45 am
Notes when selecting ProSafe-RS as ESD system.
Topic: Application Questions and Problems
from the Water Treatment department...
Chlorine Pacing for Water Treatment Plants
Originally posted by Don Best on 26 June, 2001 - 7:59 pm
What kind of control strategy is most often used to pace chlorine (Sodium Hypochlorite) at a Water Treatment Facility or Reservoir?
New Replies:
Sorry Bob, correction: Speed = 0-100% Stroke = 0-100% Total residual Chlorine = 0-10mg/L Flow...
Some great replies here. Obviously experienced hands. I would only emphasize a couple of points...
The thing is that you need to decide what your dosage rate per GPH is and work backwards from...
Thank you for this post. It helps me a lot on how to control the pump speed and stroke for sodium...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Concept 2.6 Compatiblity Issue
Originally posted by Anurag Purohit on 11 September, 2014 - 2:55 am
Running windows 8.1 64bit OS and have a concept 2.6 compatibility issue.
New Replies:
Concept 2.6 is a Win-16 program. It still runs on new Windows OS's but only the 32-bit versions. ...
Sorry for the bad news: Concept is a 16 bit application and has not/will not be qualified on Win...
Topic: Engineering and workplace issues.
from the Forum department...
GFD Chokes?
Posted by Dinesh on 8 September, 2014 - 1:16 am
What does GFD Chokes mean? Is it related to gas flow calculations?
Posted by Ashwin on 7 September, 2014 - 2:36 am
How to calculate specifications for motor to run conveyor system?
Originally posted by Paul Kraemer on 26 August, 2014 - 2:12 pm
Supply and exhaust air handling control method evaluation.
New Replies:
IIRC, the quantity that was changing was the exhaust velocity. You already have your supply plenums...
Thanks for your response Curt. Do you mean that you would control the differential pressure...
Topic: Programming languages.
from the Education department...
Java PID example
Originally posted by Roberto Carabajal on 26 August, 2014 - 1:50 pm
I am searching a PID controller example in Java with source code.
New Replies:
Google turned up a few things. This one looks interesting: ...
Topic: Application Questions and Problems
from the Automation List department...
Control Valve Cycle Measurement
Originally posted by Gerald Beaudoin on 20 August, 2014 - 8:04 am
How to measure the control valve cycles?
New Replies:
I think you are making things more complicated than it needs to be. I have never heard about...
By Gerald Beaudoin on 27 August, 2014 - 1:43 pm -
Sure would appreciate any points of view on this one..... Cheers Gerald Beaudoin...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Siemens Procidia upgrade
Originally posted by Bill K on 26 August, 2014 - 11:23 am
update info? Upgrading from Siemens 3.1 to latest version.
New Replies:
> Can anyone give me a ballpark cost on upgrading from siemens 3.1 to the latest version? ...
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