Effect of Single-phasing during a Motor Start
What would be the effect of starting a 3 phase induction motor with a secondary single-phase fault present?
Found drum level transmitters ranged higher then mechanical taps...
Upgrading from Centum VPR4 to R6.
BC7300 Modbus Configuration
Configuring Beckhoff Modbus RTU
Determining the Smallest Acceleration an Accelerometer Can Measure
Doing research on MEMS accelerometers, interested in a method to determine the smallest amount of acceleration a sensor can measure.
Nirvana IR Operation after Bypassing VSD
VSD of NIRVANA IR compressor?
By usaircompressor on 14 November, 2017 - 6:53 pm
anyone using nirvana will confront the problem of motor burns and vsd problems. All lies in the...
3 Element Control for Boiler Drum
Looking for information on HRSG three element level control
Flow Divider Magnetic pick ups
Posted by Wajid Hussain on 31 August, 2013 - 3:32 am
Flow Divider Magnetic Pickups were hunting repeatedly during Start up and Shutdown of Gas Turbine Frame 9E (3000 rpm) Mark VI controlled.
Ramping up a Generator while RPM is Constant.
How exactly does the power output of a generator increase, by increasing the fuel input and keeping RPM constant.
Yaskawa FS100 I/O Technical Documentation is Wrong
Yaskawa/MotoMan has supplied me with the wrong documentation.
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 Bob Peterson on 6 November, 2017 - 9:56 pm
120 - 240 single phase power is common in the US. 120 208 3 phase power is also common. 277 480 3...
By abc def on 6 November, 2017 - 3:00 pm
There can be 110V or 115V supplied from grid, thereby, from phase to phase totaling to 220v or...
DCS CS3000 Upgrade to Centum VP R6
Posted by kaouche mohammed on 3 November, 2017 - 4:05 am
Should we upgrade cs3000 to centum vp R6?
Need Suggestion for this Application
Batching system with different liquids and tanks with the same Flowmeter, need idea.
Modbus Address for Eurosens Dominator
Holding register address for fuel level sensors brand eurosens dominator RS.
Remote pump control over a long distance.
ENRAF FlexLine 990 RTD Spot Element Offset
Spot RTD Element shows 3°C difference at SmartView with manual temperature reading.
By d on 1 November, 2017 - 12:02 pm
1. When you say a located at the tank bottom, you need to be more specific and the location of the...
What is the major difference between SIS (safety instrumented system) and HIPPS (high integrity pressure protection system)?
Dick Morley, the father of the PLC, has died
Alarm Indication PC Board
I am struggling to Understand how this Alarm indicator PCB works
4-20 mA Analog Output Wiring
How to drive one flow control valve from two different 4-20 mA signals
By E. Oliva on 18 October, 2017 - 12:43 pm
>thanks, i have two redundant controller. Prakash, it seems to me that you might need some...
By Steve Myres on 14 October, 2017 - 11:09 pm
There are two ways around the open-circuit problem. You might be able to configure the 4-20ma load...
By Bob Peterson on 14 October, 2017 - 10:34 pm
Perhaps you can have a relay that would switch to the signal that you want to control the valve...
By Ikhtiander - on 14 October, 2017 - 9:37 pm
Hi Prakash, if you need to combine two or more separate 2 wire (positive/sourcing leg and common...
Communication with a Elcontrol VIP 396 485
Posted by Fulco Remmerswaal on 25 May, 2006 - 1:06 am
Those anyone know how to make the communication between a Quantum 43412a cpu and a Elcontrol VIP 396 485?
By Elcontrol Energy Net on 25 October, 2017 - 2:37 pm
>Those anyone know how to make the communication between a >Quantum 43412a cpu and a...
Being a Honeywell Engineer, im facing a tough competition from a Chinese made DCS called SUPCON. I want to know if there is anything which makes either of them superior than the other.
By Topak Khan on 14 October, 2017 - 6:29 am
I would like to add my experience on the subject, although quiet late but still useful for serious...
Camber Calculation for the paper mill Rubber covered rollers
Installation of Centum VP
After installation of Centum VP Software, the system view & project attribution utility icon are missing do not appear in start menu.
By Ø³ÛØ on 17 October, 2017 - 4:16 pm
just search centum vp manuals (installation) a pdf: this is Technical Information [Release 6] ...
Comparison between DNP3 and MDLC
Technical comparison between MDLC (Motorola Data Link Communication) protocol and DNP3 protocol.
By Jacob Brodsky on 16 October, 2017 - 12:04 pm
As near as I can tell, MDLC is a proprietary protocol developed of, by, and for Motorola and their...
Transformer Vector Group Advantages
Please specify the advantages of each vector group
By saketh on 16 October, 2017 - 3:29 am
Can anyone still elaborate the advantages of using vector groups? >In case of distribution...
Control Network Architecture
Trying to improve the our plant control system network architecture
Transformer PRV Operated with Differential
A 38MVA 20/11/11 KV transformer's PRV operated along with differential protection. But fault happened outside transformer. How PRV can operate for an earth fault outside transformer?
Water Sprinkler Systems for Transformer
Standards for water sprinkler systems for transformers
calculations for the moment of inertia for a solid cylinder.
Looking for a DC2000 parameter list
Noise Problem with VFD/motor
Posted by Joel Young on 13 March, 2005 - 2:21 pm
I have a noise problem associated with a VFD/motor (75HP 460v wye start/delta run) system...
By Marc Belanger on 11 October, 2017 - 4:19 am
>Sounds like an insulation breakdown/harmonic problem to me. >But it would really take more...
New Website about TIA Portal
I would like to invite everyone interested to have a look at my website about TIA Portal