from the elec shortcomings department...Using a Linear Actuator
Using a 12v linear actuator to raise and lower my router mounted in a router table
from the Instrumentation department...Installation of Ex-ia Converters in Ex-ia Junction Box
Installing Ex-ia converters in Ex-ia Junction Box instead of EX-d
By nirag on 20 October, 2014 - 2:05 pm -
as temperature converters are Ex-ia, they can be mounted in Ex-D JB or even weatherproof JB as it...
from the SCADA department...Wincc 7.2 Connection to Database
Is there a C-script or VB-script for connecting to Oracle database
from the No Man's Land department...Large area protection
What are the most effective ways to protect the area around an automated machine that is physically large?
Ken, We have the option to modify the working envelope of a robot by programming it. This helps...
from the What, me worry? department...Risk assessments for automated machines
Do you do formal risk assessments as part of the design process?
Yes Ken, I'm related to the Gas Turbine based co-generation power plants. The Industry...
from the Mechanical department...Exit Guide vanes of Gas Turbines
Gas turbine exit guide vanes and how to use them
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...
from the Control Panels department...Push In Jumpers for Terminal Blocks
Do push-In terminal block jumpers hold up under vibration?
By John on 13 October, 2014 - 5:04 pm -
Seems that some of the Phoenix stuff is pretty well rated. Might have a look, if you really want to...
By Curt Wuollet on 11 October, 2014 - 11:10 pm -
I'm interested in this as well. The ones I've don't seem very robust. I've come to accept spring...
from the Forum department...Orifice plate with square root function enabled
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
By J. R. Saunders on 12 October, 2014 - 1:41 pm -
I like what David Todd said about calibrating the transmitter in linear mode (techs are very...
from the Right way to do this? department...Pump Running Indication on Control Circuit
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.
By JFB on 12 October, 2014 - 8:57 am -
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....
By roy Matson on 11 October, 2014 - 6:30 am -
Feed the contactor coil from downstream of the circuit breaker just like they have been doing for...
By PLC programmer on 10 October, 2014 - 9:21 pm -
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...
By Bob Peterson on 10 October, 2014 - 5:40 pm -
the normal way this is handled is by opening the power to the contactor coil if the CB trips. this...
from the automation department...Fast Alarms Between PLC and HMI
How can we make an hmi operator panel detect fast alarms?
By Jeremy Pollard on 10 October, 2014 - 12:45 pm -
Use an alarming sbr in the PLC to time expand.... with Rockwell it would be the TT (timer timing...
from the Forum department...PLCs for Beginners
I need to learn how to operate and use PLCs
By PLC Programmer on 10 October, 2014 - 2:49 am -
PLC programming has a lot of Logic involved. I would recommend you to start from there. Start...
By Ed Wilson on 6 October, 2014 - 5:44 pm -
I self-taught with a DirectLogic 05 from AutomationDirect. The components are very inexpensive and...
from the Forum department...Modbus frame size
Can I use the Modbus frame size larger than 256 bytes?
By Mohsen on 9 October, 2014 - 4:38 pm -
What happen if you request more than 125 registers? will Modbus device send out two response...
from the BMS department...Niagara report
How to have an excel report with Niagara?
from the Industrial Automation department...Modbus TCP/IP
Developing Modbus TCP/IP on RX63NB board with DP83620 as PHY layer interface.
from the Forum department...Adding Modbus register values together
How can you add MODBUS registers?
By ICP DAS on 30 September, 2014 - 7:12 pm -
I have a solution in which you will also have a display of the values and the sum. Using our...
from the General Engineering department...DCS vs PLC
Advantages of DCS over PLC for Gas turbine control
By FT on 26 September, 2014 - 2:53 pm -
I am in agreement and as a proponent of Allen Bradley systems, the difference is in the planning....
from the Forum department...Generator Load Sharing Issue
High amps on one generator
By DHAYANANDHAN on 24 September, 2014 - 9:52 pm -
> I have 3 Waukesha LNG generators that run in parallel, the number running depending on load...
from the ESD department...ProSafe-RS, Is It Online Configurable?
Notes when selecting ProSafe-RS as ESD system.
from the Water Treatment department...Chlorine Pacing for Water Treatment Plants
What kind of control strategy is most often used to pace chlorine (Sodium Hypochlorite) at a Water Treatment Facility or Reservoir?
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...
By Bob Peterson on 23 September, 2014 - 9:47 am -
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...
from the Forum department...Concept 2.6 Compatiblity Issue
Running windows 8.1 64bit OS and have a concept 2.6 compatibility issue.
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...
from the Forum department...GFD Chokes?
What does GFD Chokes mean? Is it related to gas flow calculations?
from the Forum department...Calculating Motor Specifications To Run a Conveyor
How to calculate specifications for motor to run conveyor system?
from the Forum department...Hot Air Dryer Supply / Exhaust Air Handling
Supply and exhaust air handling control method evaluation.
By Curt Wuollet on 28 August, 2014 - 7:27 pm -
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...
thanks for your response Curt, Do you mean that rather than running my Supply Blowers at fixed...
By Curt Wuollet on 26 August, 2014 - 11:02 pm -
That differential pressure is the one I would control. Regards cww...
from the Education department...Java PID example
I am searching a PID controller example in Java with source code.
By James Ingraham on 28 August, 2014 - 12:11 pm -
Google turned up a few things. This one looks interesting: ...
from the Automation List department...Control Valve Cycle Measurement
How to measure the control valve cycles?
By Sam on 28 August, 2014 - 4:38 am -
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...
from the Forum department...Siemens Procidia upgrade
update info? Upgrading from Siemens 3.1 to latest version.
By anonymous on 27 August, 2014 - 2:52 pm -
> Can anyone give me a ballpark cost on upgrading from siemens 3.1 to the latest version? ...
from the Electrical department...Defeated Circuit Breaker
Is it possible to defeat a circuit breaker?
By Curt Wuollet on 26 August, 2014 - 10:34 pm -
Just about everything I've seen for decades is "trip free", but it does make one wonder,...
By Bob Peterson on 26 August, 2014 - 6:20 pm -
This is common place. The CB is typically trip free so it will trip regardless of whether the...
Do not drink coffee in early a.m. It will keep you awake until noon.