Posts from...Today, Wednesday, April 23, 2014
from the Urgent department...Time and Date in Honeywell control builder
How could use time and date in control module?
By Robert Perez on 23 April, 2014 - 6:56 am -
Hi Mostafa, I saw your pictures, please go to the CM tree at your left and under the root node...
> Could you upload a picture showing your control builder? ...
from the Forum department...Modbus Converters
Modbus Gateway v's Modbus Servers and Protocol converters.
from the Instrumentation department...Calculating LRV/ URV of a Bubbler Level System
How do you calculate the LRV and URV of a Bubbler type Level Transmitter?
By Casualguy on 23 April, 2014 - 5:08 am -
first find the clearance of your dip tube. say if it is 200mm. total height of the tank =...
Your bubbler can not 'see' any head pressure lower than its elevation, so you can not measure any...
from the Electrical & Instrument department...Bently Nevada axial vibration due to lightening strike
Technical query - Bently Nevada axial vibration due to lightening strike
from the ENG department...Triconex system
What happens when Triconex system CPU fails?
from the Automation List department...difference between earthing and grounding
need to know the difference between earthing and grounding.
By Tarkeshwar on 23 April, 2014 - 1:06 am -
Yes there is quite difference between earthing and ground. in a simple way earthing protect the...
from the Forum department...How To connect Vijeo citect with Untiy Pro XL
help me to connect Vijeo citect and unity pro xl
from the Forum department...Yokogawa error message
Yokogawa error message
By Steve Martin on 23 April, 2014 - 12:10 am -
You've basically created a tag without it being registered in the taglist. This can be done if you...
from the Real puzzler department...Thermocouple readings problem
Took temperature readings with J thermometer but only had K type wire!
from the electrical engineering department...% impedance of power transformer
Elaborate on % impedance of power transformer.
By KS on 22 April, 2014 - 7:48 pm -
Hi Phil Can you kindly advise what is the effect of system fault level on transformer design. ...
from the Forum department...Turbine Throttle Pressure and 1st Stage Pressure
Difference between throttle pressure and 1st stage pressure
Interesting. Is 1st stage pressure and Throttle pressure used to calculate throttle valve...
By Dave Amundson on 21 April, 2014 - 8:57 am -
The first stage pressure on GE steam turbines is measured just downstream of the first stage...
By JFB on 20 April, 2014 - 8:59 pm -
Your understanding is correct for GE steam turbines....
from the Automation List department...Android tablet for HMI?
Using an Android tablet as an all in one PLC.
By Peter Fredriksson on 22 April, 2014 - 4:32 pm -
Hello, I hope you all will not see my post as a advertisement. We are a small family company...
from the Modbus department...S7 PLC as a MODBUS slave
would like to make S7 PLC as a MODBUS slave and a PC Master MODBUS
By Steve Myres on 22 April, 2014 - 1:27 pm -
Forgot to mention in my previous post. The reason I distinguished between tech and business aspects...
By Steve Myres on 22 April, 2014 - 12:14 pm -
Have never done it using the Siemens Ethernet port, but I have done that on a 315-2DP using a...
from the gad trubine control system department...moog servo valve operation
How does a MOOG servo valve operate?
Jyshen, You are most welcome....
By Jyshen on 22 April, 2014 - 6:00 am -
Dear CSA, Thanks for your superb informative response. Your passion and sincerity to share your...
from the Forum department...Winding Resistance Measurement - Delta Connected Transformer
Measuring winding resistance in a delta connected transformer.
from the Automation and EMS department...Unity Pro communications
Need help for communication of NOE with M340.
from the PSEB department...TDC 3000
How to print tag nos. and descriptions of historised points in TDC 3000
By Tim Haywood on 22 April, 2014 - 6:05 am -
Hi - anyone who is looking for similar information may find these information books very useful -...
from the Forum department...MODBUS Function code
MODBUS function code of address word
from the Forum department...Can I say my device is MODBUS-RTU compaible when.....
Could I say that with the following facts my device is MODUS-RTU compatible
By Steve Myres on 21 April, 2014 - 4:28 pm -
Agreed. Other than noting that you should be as flexible as possible on serial parameters (and...
from the Forum department...Modbus via microcontroller
Communicating with device via Modbus RTU through a microcontroller.
By Lynn August Linse on 21 April, 2014 - 1:56 pm -
The "try a PC" option is always a wise first-step ... make sure you can trust your tools...
I'd suggest you first try an easy way to use a PC: http://www.ctrlterm.com/custom.htm Once the...
If it were me, I'd connect a PC with a serial port running a generic Windows Modbus 'test' master,...
from the Control department...SynGas Conversion Project
Pointers for Syngas Conversion project in India
Abhishek... Has the Plant's SLD been presented? Regards, Phil...
> what type of conversion process is involved? For example is it: Thanks Phil for your...
from the Automation department...Hall/Magnetic Sensor
Hall Sensor Replacement Failed !
Thanks Geir. I have measured 13.5 VDC on Vcc line of the sensor from controller and same voltage on...
from the Forum department...MODBUS COMPATIBILITY ISSUES WITH WINDOWS 7
We are facing problem with Modicon MODBUS Serial IO Server 7.5 (184.108.40.206) with win7 as compatibility issues.
from the Controls department...Mark-VI Control System T-core Issue
Issue being faced on T-core of Mark-VI
Was reading this thread and one question comes to my mind. There was a mention of Lockout Relay...
from the instrument department...Dwyer flow switch information
dwyer obsoleted flow switch
from the THERMAL GENERATION department...exhaust spread
Why monitor the exhaust spread of a frame 9E gas turbine
Good answers, but the main question was, "Why do we have to take these readings?" The...
from the Operations & Maintenance department...ACC Module on Mark V
Library for instrutions about the keypad on ACC Module in <R> <C> procesors
Jose Sanchez, I'm a lot confused by your post. I'm not aware of any ACC module on any Mark V...
from the Forum department...Turbine Controls
Difference in Turbine Control Modes
from the E & I department...Impedance protection for synchronous Generator
What is the concept of Impedance protection for synchronous Generator(turbo/hydro)?
Sajad... are you referring to under-excited operation as related to Impedance-Protection? ...
Only through hard work and perseverance can one truly suffer.