Modbus TCP and SNMP to SQL DB
Looking for a small app to capture CT sensor Data...
By James Ingraham on 29 August, 2016 - 5:36 pm
> I would like a small (but important) backend application that I can > run that will allow...
Why Separate Junction Boxes When Transfering 4-20 ma and 230 AC Signals
Junction box quantity selection based on signal potential?
By Bob Peterson on 29 August, 2016 - 10:17 am
I have seen an enclosure box i.e marshaling cabinet located in a safe area with different voltages...
By Bob Peterson on 28 August, 2016 - 2:47 pm
these days the "break point" is 50V. The most common electrical safety standard (NFPA70E)...
By W.L. Mostia on 27 August, 2016 - 4:01 pm
I certainly agree with Bob regarding it not being in the NEC (NFPA70). However, many people view...
By Bob Peterson on 27 August, 2016 - 11:25 am
I won't argue with Bill about whether it is a good idea or not to have multiple junction boxes. But...
By W.L. Mostia on 26 August, 2016 - 5:57 pm
A minimum of two junction boxes would be required. As already discussed, you can divide the...
By Bob Peterson on 26 August, 2016 - 3:31 pm
why would they be class 2 circuits? I suppose it is possible but it would be unusual (but not...
By Bob Peterson on 25 August, 2016 - 2:06 pm
there is no requirement to have any junction boxes at all. they are for convenience. most times...
Passive Vs Active Concept
Passive Vs Active in Puls Output
Not Enough Flow Through Control Valve in VHP Steam Flow Line
PRDS (Pressure Reduction and Distribution Station) related problem in our Captive Power Plant.
Multi-circuit 3 phase Energy Metering Alternatives
Measuring 50+ 3 phase circuits. Instead discrete meters, want to use multi-circuit product or Data Acquisition modules and software.
Measuring Sulfuric Acid 98% Flow
looking a flow meter to measure sulfuric acid 98%. Any recommend brand?
By peterb on 24 August, 2016 - 1:22 am
Hi elchng, I recommend you use a magnetic flowmeter - teflon or ceramic lined (teflon is good to...
By Bob Peterson on 19 August, 2016 - 11:03 pm
Depending on how close of a tolerance you can live with on the flow rate most flow measurement...
By John Catch on 18 August, 2016 - 10:05 pm
If the line is sufficiently large for an UltraSonic meter then this is the easy way to go. However,...
Masonelin Level TX Calibration
Calibrated the level tx but indication at transmitter shows wrong value.
Allen Bradley AI Card 1756-IF16 Not Reading Full Scale
The raw counts in the Allen Bradley 1756-IF16 AI card are not increasing to the full scale.
Valve Trim Size Definition
Posted by Andries van Renssen on 19 August, 2016 - 8:35 am
How is valve trim size defined?
What is IRIG Time code? Where & how is it/can be used?
By Pie on 17 August, 2016 - 12:42 pm
Why did the U.S. military never think of this? Why have a standard that makes every clock the same...
Uploading Data to Honeywell Experion PKS
Posted by Satyngar on 27 May, 2016 - 5:14 am
Problems uploading SCADA to Quick Builder
I would like to know if there is any way of testing a Surge Protection Device?
Purpose of an analog input barrier in DCS loop diagram?
VFD Pumps Flow Control Using One PID
I am facing a problem with a PID controller that controls more than one VFD pump.
Severe service control valves from Samson
Leading and Lagging Power Factor
What is the difference between power factor 0.85 lagging and 0.85 leading?
Alternative method of measuring density (Mathematically)
Oil pressure and flow on tilt pad bearings
How to build an ECS for a fisher paykel motor to power a quad copter?
Cement Silo Level Measurement
Innovative Control Sytems (Bedrock Automation)
Bedrock Automation Control Systems disrupting the automation world
By Gary L. Pratt, P.E on 5 August, 2016 - 10:14 am
Steve and James, Here is a link to a video demo that shows the power and flexibility of the...
Ex ia and IECEX Flameproof, ATEX Flameproof, CSA/US-Exp.
can we use IECEX Flameproof, ATEX Flameproof, or CSA/US-Exp device instead of Ex ia rated device for Zone 1?
By gunawan556 on 5 August, 2016 - 4:09 am
There is flameproof rated device available for zone 1. But the type of protection which are...
Torque Tube in Displacer Type Level Transmitter
What is the need for torque tube in displacer type level transmitter?
AB Contrologix Controller w/ Multiple ProSoft ProfiBus Modules
Performing Due Diligence and need feedback concerning utilizing ProSoft ProfiBus Modules in a Redundant I/O Configuration.
By Ikhtiander on 2 August, 2016 - 8:51 pm
Arch21, what type (Cat no) of prosoft module we are talking about? Can you please share with us...
Role of Nanosensors and Internet of Nanothings in industrial Automation
Posted by Rushi Shroff on 2 August, 2016 - 1:38 pm
Loking for information on Nanosensors and Internet of Nanothings in industrial Automation
Can anyone explain what is meant by 4 pole regarding a 3 phase electric motor??
By john on 2 August, 2016 - 8:40 am
Right on brother! Reading all the junk people posted on this subject it is no wonder that some...
Diplacer Level Transmitter Viscosity Limit
Wondering about the viscosity limit for displacer level transmitters.
By Elmira on 2 August, 2016 - 12:41 am
It is going to be installed on the bottom of vacuum tower. The media is hydrocarbon and the...
Horizontal Pitch in a Spiral
Need some information about the horizontal pitch in a spiral for the placement of sensors in the oil tank.