Understanding Blower Ratings
When a blower is rated for ____ CFM @ ___ SP @ ____ RPM, where is the static pressure measured?
By Steve Myres on 21 May, 2015 - 5:14 pm
Generally speaking, your CFM will be proportional to the rpm, for a given system curve (don't know...
By Steve Myres on 20 May, 2015 - 10:45 pm
The spec refers to the difference between the inlet and outlet pressure, the rise that the fan is...
DCS Communication by Modem/Internet
Posted by tri wibowo on 20 May, 2015 - 2:39 am
Communicating to SUPCON DCS with GSM Modem over a 15 Km distance
Communication Term Analogies
I am trying to find analogies for the communication terms.
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
By BOLARINWA GBENGA JOSHUA on 17 May, 2015 - 12:42 pm
DCS (Distributed Control System) is superior to PLCs( Programmable Logic Controllers), though some...
I have a SLC 5/04 in a 10 slot rack that I set it up for training purposes. The problem I have is communicating with the SLC 5/04 via RS232 port with the 1747 CP3 cable hooked up to a serial port on a laptop...
safety integrity level study
Hi, If any one has performed the SIL verification, I have following queries as below.
Symbols for P&ID selection between two pumps
High Pressure on Lube Oil Tank
Turbine tripped on high pressure lube oil tank
By khairi on 13 May, 2015 - 8:48 am
DEAR friends, > if we suppose that problem from bearing. how could i know that its excessive...
By khairi on 13 May, 2015 - 2:07 am
DEAR friends, if we suppose that problem from bearing. how could i know that its excessive air...
By KHAIRI on 12 May, 2015 - 3:31 am
Dear friends the problem which we have now with turbine. we thought that problem from...
BOSCH CC300 Reference Position
How to adjust tool reference position
Turbine Failing to Ignite
After plant blackout, turbine fails to ignite.
By khairi on 11 May, 2015 - 10:22 am
dear friends thank you friend. we adjusted speed pick up on 0.043 and it was ok the turbine...
Criteria for Local or Remote Indication Instrument
Criteria for local or remote indication instrument
Good Online Sources of Information for Instrumentation and Control Engineering
Looking for sources for online instrumentation and control information to learn more.
Mould Level Control Problems
Mould level control problems in billet industry
By Chris on 8 May, 2015 - 12:54 am
Have you changed the level detector with a known good spare? the crystal and/or electronics in...
By santosh on 3 May, 2015 - 5:53 am
Thanks Chris for your reply. Its a curved caster and billets will be withdrawn from withdrawal...
By Chris on 30 April, 2015 - 10:32 pm
You do not explain the type of Caster vertical/horizontal, the level controller type/brand, the...
I term in PID controllers
the I term in PID controllers - integral time and/or reset time?
By pvbrowser on 6 May, 2015 - 2:55 am
What you need to know is the transfer function of the controller in the frequency domain. The...
By Roy Matson on 1 May, 2015 - 4:43 pm
> The only thing I don't get is the use of the terminology "reset > time". Reset...
By William Sturm on 26 April, 2015 - 2:08 pm
I think that the term "reset time" might refer to the time that it would theoretically...
By whyAmImike on 25 April, 2015 - 9:54 pm
I can tune a PID better than the last guy. I get it. The only thing I don't get is the use of the...
Pneumatic Shutdown Valve Pressure
Pneumatic Shutdown valve actuators are sized for minimum pressure 5.5 BARG,(80 psig)
on 5 May, 2015 - 2:42 pm
I'm having trouble understanding the problem. Minimum pressure doesn't mean it always has to be...
Calibrating and Correcting Errors on a Floboss 503
How to correct errors when calibrating Floboss 503
would like to know about pump interlocks if anyone can advise please
Migration from CS3000 TO CENTUM VP
Annoyed for having to think of migrating to Centum VP just because Dell has stopped manufacturing XP compatible Workstations.
By Mike West on 30 April, 2015 - 6:50 am
We were still installing WindowsNT on new workstations in 2006 for similar reasons. It saved us...
E+H FMU90 transmitter and FDU91 sensor issue
Problem Being Faced in Measurement of Level of a Tank Under Vacuum
Posted by NILESH BHOLE on 26 April, 2015 - 6:26 am
Using a DP type transmitter to measure level of liquid in a tank under vacuum pressure.
By Roy Matson on 27 April, 2015 - 5:16 pm
The only way you could see air is if you are using plastic lines. I am guessing your fittings are...
Siemens PCS7 Gateway to ABB Advant
Looking for Siemens CM104-MB300 gateway information
By David Mertens on 27 April, 2015 - 8:57 am
This product and/or service is sold on a project basis, For more information and/or quote please...
MODBUS to ASCII Serial (not MODBUS ASCII)
By david siler on 23 April, 2015 - 6:32 pm
Thanks your feedback has been great. I now have the logic in place to convert my ascii text strings...
By Mark on 22 April, 2015 - 1:18 am
ASCII has only 128 characters and is normally represented with 7-bits. ASCII also works in 8-bit...
Foxboro IMT25 Flow Transmitter Communication
IMT 25 Flow Transmitter is working properly and yet no values are being displayed on the DCS.
Calibrating a Rosemount 3051 Differential Press. Trans.
Have problems getting a new pressure transmitter to read the correct level.
By Roy Matson on 22 April, 2015 - 1:25 pm
"When the sensor is running in the process it does not read as per the redundant ultrasonic...
By jeff fraley on 22 April, 2015 - 9:10 am
Perhaps I am missing something but here goes. You appear to have a dp transmitter to measure simple...
Measuring the Shrinkage of Cloth
Posted by sensorless on 21 April, 2015 - 6:04 am
How to measure the shrinkage of a cloth of small thickness.
By Curt Wuollet on 21 April, 2015 - 11:00 pm
Sounds like a job for machine vision. Regards cww > The cloth is subjected to a constant...