from the operations department...flow mesurement for viscous materials
flow measurement by using ultrasonic flow meter.
By John Catch on 10 December, 2012 - 1:04 pm -
You might try: Max Machinery (www.maxmachinery.com). They offer a number of PD (Positive...
By Wahyudi on 10 December, 2012 - 2:52 am -
Why don't try Coriolis Type for these measurements? Viscous material you mean is fuel / light oil?...
from the Electrical Problems with Generators department...60 Hz and 50 Hz Generators
I am just curious to find out if you have a 50 Hz generator and try and hook it up to a 60 Hz system, if it would work or not.
If you can adjust the govenor on the machine you can bring it up to 60 Hz. This will not affect the...
By richard on 8 December, 2012 - 5:05 pm -
quick fix if you can. separate the systems into those that don't care about frequency and those...
from the engineering department...How does control valve function?
How does control valve function?
By M.Rabbi.Z on 9 December, 2012 - 10:06 am -
In principle Control Valve is use to control either pressure, temperature, liquid flow, velocity...
from the Maintenace department...GTC starting system fails to accelerate
GTC starting system fail to continue during acceleration mode
My only suggestion would be to check the adjustment of the proximity switch for the SSS clutch, if...
from the Mechanical Engineering department...increase in gap voltage at zero speed of axial shift, 110 MW ST
The gap voltage of axial shift was set at -7.6V during installation. its changed from -7.6V at 9.31 to -8.76V at 20.51, the turbine rotor is at zero speed.
from the Forum department...What is double grounding?
What is double grounding? Can double grounding of a system be helpful?
from the Gas Detection department...Gas Detector Wiring
Can i used Shielded wire for (-, or signal) on gas detector.
> Can i used Shielded wire for (-, or signal)? No you can not use the shield wire for any...
from the Forum department...why we need gas metering vs flow meter only.
why gas metering package is in necessary while we can use only flow meter to measure quantity.
from the Protocol Development/Enhancement department...Extended Modbus Addressing
Extending the modbus address field.
By Mike McCafferty on 6 December, 2012 - 2:03 pm -
> To extend the Slaves is a valid idea, but the broadcasting message would have to be resolved...
from the Forum department...A question for you guys - online PLC courses
Best or most useful plc training courses.
By Francisco Aguilar on 6 December, 2012 - 10:24 am -
> I really want to get into PLC and was wondering what online courses you guys recommend. ...
from the Automation List department...Synthesis of Man & Machine
Article on the partnership of the man/machine framework.
from the Forum department...Load Gear Oil Leakage GE 6B Gas Turbine
We had a Leak problem on Load Gear Reducer of Gas Turbine 6B GE supplied.
Bob Johnston, Can you post pictures of the modification to a hosting site and then post the link...
Mr. Johnston; is has not suddenly happened, from the beginning we have this problem. we also...
Dear CSA, thank you for reply; because of that fact we directly measure vacuum from the gear...
Just had the same problem on four Frame 6 with new Flender horizontal box. Firstly we increased the...
EserBP, The fact that you can decrease the severity of the oil leak by increasing the vacuum on...
Dear MIKEVI; at first i would like to thank you for your reply. it is true that we have mist...
Dear EserBP, I am not very familiar with the 6B units but will offer these suggestions and...
from the Control & Instrumentation department...Separating protective earth from functional earth
How Can we sure that the Protective Earth and Functional Earths are separated?
from the Control department...Control Signal Segregation
Segregation between input and output control signals
Thanks for your reply...
> I have no reason to do so even my consultant insist for me to > apply his idea to...
from the Automation List department...Oxidation of Relay Contacts
What is Oxidation of relay contacts and what can be done to prevent it ??
I guess this is an old post but I'll throw in my 2 cents worth anyway. We had similar problems with...
from the Forum department...Level measurement in crude oil caverns
How to measure oil level in underground caverns?
from the ELECTRICAL ENGINEER department...Negative Sequence Current Settings
Configuration of Negative Sequence Setting in Siemens SIPROTEC 7SJ622
from the Electrical department...Reason for looping input connections of circuit breaker
Reason for looping input connections of circuit breaker
By Steve Myres on 4 December, 2012 - 10:39 am -
Often poles in series is done with a DC load, because it's harder to break (no zero crossing), and...
from the Mechanical department...calculating the time required for safety valve
How to calculate the time required for safety valve floating in coal fired boiler in case of turbine tripping/bypassing?
from the Wiring Standard department...Wire naming standards
Same wire two wire numbers in two panels
Thank you both for the replies. I'll put wire naming convention in the specification next time for...
By Bob Peterson on 3 December, 2012 - 1:03 pm -
The point is that if you leave it up to someone else they will follow whatever practice they choose...
Bob Peterson, In the case of your 13-character wire number there was a specification provided...
By Bob Peterson on 2 December, 2012 - 7:45 pm -
There are many conventions out there. Some people start over again and reuse wire numbers for every...
Seems like the panel builder just made two "identical" panels--especially since there was...
The panel builder had corrected the naming problem. As for the spec. there was no where mentioned...
How did you make your panel-builder aware the two (2) panels would be powered by the same source?...
from the Instrumentation department...Exi junction box
What is the difference between a Exi junction box and a IP67 junction box of same material?
By Asok Kumar Hait on 3 December, 2012 - 9:37 am -
Pl. read some basic literature to understand the concept of Exi (Intrinsic Safety) and various...
You could use any junction box you like in an Intrinsically Safe loop [Ex(i)] as no certification...
I believe ATEX uses Exi levels for explosion proof certification and IP67 is just for weather...
from the flow control department...flow splitter for coriolis flow meter
Why do some companies use the double tube concept in the coriolis meter construction and almost no company that produce single tube coriolis flow meter?
from the Control system department...Experion Server Failure
Experion Server Failure and Redundant did not take up the operation
By tomsci on 1 December, 2012 - 4:40 am -
Hii, I saw this post little late. Ask your Honeywell Engineer to do a TAC System Audit on all...
from the Forum department...I want control rtu in modbus protocol via gprs internet
I want control rtu in modbus protocol via gprs internet
By automationtechie on 30 November, 2012 - 8:04 pm -
You can use our GT-541 to create a virtual com port connection to your Modbus RTU slaves through...
from the Automation List department...EEx ia vs EEx [ia] vs [EEx ia]
EEx ia and EEx [ia] and [EEx ia] and isolation barrier
By Bruce Durdle on 30 November, 2012 - 3:01 pm -
First, you need to read the certification documents and manufacturer's information to find out...
from the EE department...120/208V or 277/480V.... huh?
what does it mean when something is rated 120/208V or 277/480V? What do the two numbers mean?
By Steve Myres on 30 November, 2012 - 11:58 am -
"You are correct ONLY if it is a pure resistive load... P = E * I and for this case you use...
I just had my entire INTESTINAL TRACT coated with TEFLON!