Air Gap Between the Thermowell and Temperature Sensor
What should be the minimum air gap b/w thermowell and sensor (RTD or Thermocouple)
Particle Measurment for Oil
Low cost sensor for oil condition monitor for hydraulic systems.
Two 4-20 mA Signals Through One Pair
Two LIT signals (4-20mA) sharing 1 pair through a multicore cable.
By d on 24 July, 2017 - 9:53 am
Regardless of the success of your troubleshooting thus far you need to sort out you signal wiring...
By maxl1991 on 24 July, 2017 - 7:06 am
Hi David, Thanks for your reply, I thought this might be the case but after tracing the cables I...
By dickcaro on 18 July, 2017 - 11:29 am
It is not possible to share two 4-20mA signals on a single pair cable. Perhaps the multicore cable...
Radar Type Level Transmitter
Frequency impact on performance of non contact type radar level transmitter
By Fabricio Andrade on 25 July, 2017 - 11:48 am
Hi, There is a huge difference between the frequency bands. Basically, the difference is the...
By Walt Boyes Netcom on 25 July, 2017 - 10:58 am
Your application has lots of problems. It may be that the way to decide is to ask each vendor for a...
Bentley Nevada 2300 Monitor
Posted by Bentley Nevada 2300 on 15 July, 2017 - 8:17 am
How does a Bentley Nevada 2300 Monitor differ with 3500?
By AB on 23 July, 2017 - 9:32 am
Thanks Cal! One thing more does it have analog / digital signals which can be integrated to a...
Electronic Circuit Protection
Surge/Transient/Lightening protection of transmitter.
Components b/w Fiber Optic Converter and DCS
Components to be deployed using a fiber optic system to connect VFD to PLC
By Ikhtiander on 17 July, 2017 - 12:06 am
Hi Abarna, Assumed that there are Modbus TCP ports / modules on each side (on PLC and DCS to...
Analogue Input & High Level Analogue Input
Difference between analog input and high level analog input
Junction box segregation between DI and DO signals
Junction box segregation between DI and DO
Small Gas Flow Explosion Proof Sampling Pump
Looking for a small gas flow explosion proof sampling pump
Installing Honeywell Experion PKS r210 on a Virtual Machine
I want to install Honeywell Experion PKS r210 on a virtual machine
Diaphram Seal and Manifold
Can diaphragm seal and manifold work together?
On DCS TDC 3000 Honeywell APM card failure status
Foxboro I/A series tutorial
Displacer level switch VS. float level switch
Can I change displacer level switch with float level switch?
By Reza on 11 July, 2017 - 2:24 am
Dear Sir, What kind of level switch final you have used for H2S environment? We have the same...
Float Type Level Switch and Foaming Problem
Float type level switch causing problems because it gets stuck due to extensive foam. Application is suction gas scrubber on Frontend compression of natural gas.
By Daniel M on 9 July, 2017 - 9:16 am
Hello float is not the adequate principle. Capacitive: you have to calibrate it. My suggestion...
Gas Turbine Free Governor Mode of Operation
Difference between droop mode and free mode of operation
on 22 June, 2017 - 3:33 pm
fudge, From the notes in the photos you sent, it appears the code (which is a different version...
Response Dependent Gain Calculation
Performing a response dependent velocity feedback control
Safety Instrumented System
Application of safety instrumented system for emergency shut down
Fuel Change Over Mark Vie GE Frame 9E
How is fuel changeover happening in 9E Gas turbines?
Orifice Plate straight run requirements
Orifice Plate- straight run requirements w.r.t beta ratio
By Ben Thampy D on 27 June, 2017 - 6:24 am
please refer the standard ISO-5167-2:2003(E), in that go to table number -3. from there...
OSI Pi versus Aspen Info Plus 21
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
TDC 3000 Honeywell Schematic Symbol and Data Point Configuration
How to give address or connect symbol to its point in APM after configuring in TDC 3000 Honeywell?
I need help understanding a line of code in a register.
By CH on 23 June, 2017 - 3:56 pm
LEN is the length for the copy instruction. So for the COP, how many registers to copy....
End support for pitot tube
By d on 22 June, 2017 - 6:13 am
The vendor will advise and inform you of the device ratings. Most versions are stiff enough for...
Reading Data from 1756-OF8H HART I/O Module
Reading SVI-II positioner masoneilan data via 1756-OF8H I/O module
1734-IE8C Major Channel Fault
1734-IE8C input module went bad. Replaced module still all channels solid red.
By Bob Peterson on 16 June, 2017 - 3:31 pm
Blinking red on the channel indicator usually means out of range. no idea what solid red means and...
Sludge Concentration Inline Measurement
suspended solid measurement in pipeline (Sludge Concentration) in sewage. up to 7%
on 14 June, 2017 - 8:30 am
Hi, thank you for your reply. It's primary sludge. It's feed to drum thickener from big sewage...
By Woolsey-Mike on 13 June, 2017 - 9:35 am
Hi Most important is what kind of sludge, not just concentration. Primary, Waste Activated,...
Honeywell UV Flame Detector
Posted by Daniel_Beamish on 8 June, 2017 - 11:17 am
UV signal required for a Honeywell UV flame detector to recognise a flame.
By d on 13 June, 2017 - 6:33 pm
Flame scanners are reliable if properly installed. If you are monitoring the main flame, you'll...