Siemens PowerLogic G3200 .cid file creation
Lead (LD) Function Block Algorithm Simulate in Excel
Lead (LD) Function Block Algorithm Simulate in Excel by Using Real Data as Input
Controlling and Testing a Valve
Control the valve and test pressure rate of the flow
Fr9E Exhaust Temperature Controlling Curves
Understand different exhaust temperature control parameters/ Limits
Have written a draft for a book about Modbus, is there any interest in this?
Throubleshooting a 1 phase SCR Thyristor with Closed Loop Feedback
Posted by Brent Williams on 12 September, 2018 - 2:11 pm
Replacement Thyristor with closed loop feed back V2, for IRC lamps regulated from PLC 0-10vdc. Trouble shooting help please.
Simulation of Air Conditioning System
Simulation of air-conditioning system
IGV on Temperature Control
Running Frame 7EA IGV on temperature control
What's the level probe performance differences between Wika and Holykell?
Anyone know the performance differences between Wika level probe and Holykell level sensor as they have same designs?
Changing Fluid Type in DP Wet Legs
What could be the results if I change the sg of fluid in both high and low impulse lines of a DP level without re-ranging?
By d on 29 August, 2018 - 9:20 am
For flow meters with equal length legs, no change. For level measurement, you have to include...
Control of a Undamped Second Order System
Control of a undamped second order system
By d on 26 August, 2018 - 4:15 am
You have given the second order response of your final operator. To discuss control of a motor...
ph and Conductivity for Scrubber
Why is there a need to have ph and conductivity reading for scrubber?
By d on 24 August, 2018 - 2:58 pm
if you are dealing with acid gas with caustic added to the scrubber liquid, the pH tells you if too...
By d on 23 August, 2018 - 8:00 am
You add caustic to keep the pH within a certain range of neutral, pH =7 +/- Acid gas (H2SO4,...
By d on 20 August, 2018 - 7:17 am
ORP (Oxidation Reduction Potential) analyzers are also common but a bit more complex, but it is all...
Include or exclude derivative action in your PID settings?
By W.L. Mostia on 9 August, 2018 - 2:33 pm
I agree with David regarding the slowness of a temperature control loops can be due to the...
By d on 8 August, 2018 - 7:18 am
Derivative works fine in command and control servo systems, but with temperature controls, like...
By W.L. Mostia on 7 August, 2018 - 1:37 pm
Derivative is commonly used in slow loops like many temperature loops. Derivative action is...
What is the major difference between SIS (safety instrumented system) and HIPPS (high integrity pressure protection system)?
By Santhosh Kumar D K on 21 August, 2018 - 12:41 am
1. HIPPS is an application-specific safety system to prevent over-pressurization of a pipeline, and...
STD924 Honeywell DP Transmitter Calibration
Need help calibrating a Honeywell STD924 differential pressure transmitter.
LVDT .7 V adjustment procedure?
ACS850 Motor Control Problem
ACS850 Drive Motor Control Problem
By W.L. Mostia on 15 August, 2018 - 1:44 pm
You need to provide more information regarding your problem like what have you done to troubleshoot...
DP type flow transmitter on vacuum column
We have DP Type flow transmitter on pump discharge and this goes to a column under vacuum. Production says flow is not correct.
By d on 14 August, 2018 - 9:45 am
D/P transmitters work in such installations, but you need to elaborate. For example, 1. Type...
Flame Failure : Frame 6B Machine
Frame 6 B machines; Mark Vie . DLN-1 system , synchronized with grid. Partload operation Flame failure in Premix steady state .
foxboro I/A 6.3 message alarm configuration
DCS Systems for Balance of Plant
Looking for DCS solutions for balance of plant
How to resolve the SATURATION Problem on Rosemount Transmitters
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure
Ge 9fa Unit During Running Got Tripped Due To Mark Vi Chanel R And T Failure (2 out of 3)
Converting from %Weight to g/L
Existing devices measures concentrations in solution in %Wt units. I have question regarding converting it to g/L units.
By d on 1 August, 2018 - 9:51 am
I started with one liter of pure H2O then added the specified weight of NaOH. Since you are...