Bench Set, Positioners and Seating Force
Posted by GustavoArg on 1 July, 2018 - 2:02 am
Should I care about the bench set of an actuator if using a valve positioner?
By GustavoArg on 14 July, 2018 - 4:45 pm
Thanks for your reply Roy, I've found practically that for a 100% signal in an Air To Close...
How Does The Output Of The Pid Controller Remain Non-Zero?
How does the output of the PID controller remain non-zero after the error becomes zero?
By d on 17 July, 2018 - 4:30 am
Error is based in the difference of a measured variable and a desired setpoint. The controller...
By Mustafiz on 16 July, 2018 - 6:32 pm
In PID control, the integrator is the reason holding the last accumulated value. integrator is to...
Trying To Find a 4 Wire Pressure Transducer
Posted by Rob Armstrong on 7 July, 2018 - 10:07 pm
Desperately trying to find a replacement pressure transducer!
By Rob Armstrong on 9 July, 2018 - 9:49 pm
THANK YOU Everyone for so much great information!!!!! I have some good photos of the sensor,...
By d on 8 July, 2018 - 5:21 pm
Rob, I stand corrected on using a pressure switch with a screw compressor. It would defeat...
By d on 8 July, 2018 - 11:29 am
Get a pressure guage, and add an adjustable pressure switch if you need a pressure cutoff for...
By Rob Armstrong on 8 July, 2018 - 9:07 am
I have a wiring diagram for the existing sensor I can email to anyone if they can help......I...
By Rob Armstrong on 8 July, 2018 - 8:23 am
Thank you for the reply. Unfortunately there are no numbers or labels left on the original...
Loop Tuning and Optimization
Slurry Density Measurement in Ash Wastewater
Posted by M B Ravikumar on 30 June, 2018 - 12:02 am
Looking for a device to measure ash density in wastewater
Smart DP Level Transmitter
Do i need to re-calibrated a SMART level DP transmitter when i change the range in the field?
PCMI Diagnostic Alarm in Mark VIe
PCMI diagnostic alarm in Mark Vie system
Adjusting the temperature in a Honeywell UDC1200 and UDC 1000.
By d on 20 June, 2018 - 7:37 am
2 Deg for a 1500 Deg span translates into +/- 0.13% based on Max Range, or +/- 0.26% Mid-range...
Mark VIeS Virtual Controller Pcode Error
After creating a Mark VIeS virtual controller and downloading the application code, it refuses to run.
Honeywell Experion PKS Training
Looking for remote Honeywell Experion PKS training
Single transmitter for two ESD outputs
Single transmitter for ESD on HH and LL
Non-Nuclear Density Meter For Slurry
Posted by Austin Bell on 24 April, 2012 - 2:27 pm
Does anybody know of a non-nuclear continuous in- line density meter for slurry?
Single Core Drop During Gas Valve Manual Movement
While attempting to manually move gas valves on a Mark V controlled 7EA Combustion Turbine a single core drops out registering a speed increased more than 5%. Problem happens intermittently, cause unknown.
on 9 May, 2018 - 5:51 pm
anon, >Years ago, I had a recommendation to short the UNUSED (LP) >Speed inputs during...
By anon on 9 May, 2018 - 3:02 pm
Years ago, I had a recommendation to short the UNUSED (LP) Speed inputs during autocal if this...
Protecting Thermal Valves in an Extinguishing System
Thermal protection for valves in an extinguishing system
Cybersecurity in the I&CS World
Automation World article details risks and countermeasures relating to securing networked automation systems.
How to Configure a Combined Guided Wave Radar Transmitter
Posted by Amar DAMENE on 20 May, 2018 - 1:55 am
How to setup the LRV and URV for a combining guided wave Radar with Rosemount Chamber
By a062549 on 30 May, 2018 - 2:11 pm
I believe the total length is what your after, not the distance to each connection point?...
we have ABB DCS control system and compAir air compressors monitor and control from DCS. how i can do that??
By Ikhtiander - on 13 May, 2018 - 7:41 pm
Hi Khalid, Please check if your Compair air compressor is using their own Delcos controller or...
Can Honeywell C200 controller address retrieve using any software ??
On line Tap Changer in Arc Furnace
Questions about On line Tap Changer in arc furnace and transformer
By Chris on 17 May, 2018 - 9:11 pm
The online tap changer is connected in the primary because the current is significantly lower on...
significance of forceback attribute in maxDNA.
By Supratim Pal on 17 May, 2018 - 2:30 am
ForceBack is going to help you if you want to force the PID to some value in Auto Mode, value may...
Differences between Yokagawa and Emerson DCS
Difference Between Orifice Flow Meter and Ultrasonic Flow Meter
we have problem in gas consumption according to difference between orifice Flow Meter and Ultrasonic Flow Meter.
i need to know the advantages and disadvantages of set-point tracking.
Differential Pressure (Flow) Measurement
Flow (based on orifice + differential pressure) calculation in DCS/PLC software
By Arthur Mayclin on 4 May, 2018 - 8:58 am
If you have the orifice plate design data, and don't want to get wrapped up in the actual...
Can someone elaborate 3-point step control on Auto and Manual mode in general?
Experion PKS Display Blackout/Inverted Video
After DCS conversion from Foxboro I/A to Honeywell Experion PKS R430, analog values will flash black for one refresh rate periodically.
By SD on 2 May, 2018 - 8:09 pm
It is unfortunate that the new system is getting loaded up and causing graphics to be delayed. I...