GT Exhaust Thermocouple Failure Alarms
What is the logic behind "first failure high exhaust thermocouple" and "first failure low exhaust thermocouple" alarms?
Pressure Temperature Compensation of a Gas
Pressure temp compensation of a gas.
Connection Between INAT OPC Server and SLC 503 PLC
trying to access a Allen Bradley SLC 503 PLC via INAT OPC server
Details on level interface meter.
Effect of reducing pressure in Gas Orifice based measurement system
What is the effect of reducing the pressure in a gas orifice plate measurement system?
Adding Emergency Seal Oil Pump Start Timer to Timers and Counters
I would like to add L62ES (Emergency Seal Oil Pump Start Timer) to the Timers and Counters.
GE Frame 7FA Generator - Hydrogen Purity Sensor
It appears the GE machine had two hydrogen purity meters originally. In 2012 we replaced the original system with a new system that only had one hydrogen purity monitor that is monitoring the casing purity.
Digital implementation of PI Control
I tried to calculate manually the O/P of PI controller in our Experion DCS, but the results not coming as the actual I got from DCS...
Testing the response of the process to different PID control algorithms
Test/simulate PID control parameters before downloading?
Induction Motor Star or Delta Wrong Connection
Motor winding connection if reversed? Either in star or delta
Transmitters Calibration Interval
What is the recommended interval for calibration of transmitters, DP, temperature, and pressure transmitters.
Toshiba W7 VSD's went down on OV and won't reset
I bought and installed a new 1.5kw water-cooled spindle with an inverter to run it. Now whenever I switch the spindle on it triggers my limit switches
Calibration Range in DP Transmitters
Using a Differential Pressure transmitter outside its calibrated range.
There is one problem with positioner, after giving air supply same pressure shoe=wing at positioner output.
We have rosemount 3051 dp cells ranged 0 mbar to 125 mbar. I have a query about when to use zero and span.
By Jonas Berge on 8 September, 2016 - 11:45 pm
Zero trim or lower trim is often done at time of installation of the transmitter to correct for...
I am looking for assistance in building a DIN lab rack
By Steve Myres on 8 September, 2016 - 11:00 pm
I typically build a test board out of 3/4" ACX plywood and just screw DIN rails and so forth...
What is the logic? GTG is not operating in Temperature Control mode.
Re: How to Make a Solenoid Cycle
Can anyone help me figure out a way to make a solenoid valve cycle?
By W.L. Mostia on 8 September, 2016 - 2:19 pm
You need to tell us what your resources are, e.g. have a PLC with digital outputs sized to handle...
ALSTOM Flakt Bus to Modbus HELP
Need some help, does anyone know Flakt bus? is there any gateway or converter to Modbus or any other protocol?
By Rakesh on 2 September, 2016 - 8:07 am
Hi Martin, Flakt Bus- this topic to new to me. can you share more details? FYI, we are working...
Surge Drum Level Control in Experion DCS
Using Honeywell Experion DCS System Surge Drum Level Control to get steady flow
What is Suction Pressure?
Could someone please explain what Suction Pressure of a gas compressor is?
ALE111 module send failure
Yokogawa ALE111 module communication problem
By Bolek on 26 August, 2016 - 5:42 am
Hi Peterb, I'm very glad to read your answer. I think your clues are very helpful. All my...
By peterb on 24 August, 2016 - 1:12 am
Hi Bolek, As always prevention is better than cure. I demonstrated the ALE111 crash to Yokogawa...
By Bolek on 22 August, 2016 - 5:58 pm
Hi, I think that it must be any problem with the ALE111 cards. In my network work a lot of...
I'm trying to classify a KKS-tag subsystem for over-fire air (OFA) equipment, but can't find anything specific in the standard Siemens set.
By Romefucan on 24 August, 2016 - 9:10 am
Hello, I would not call this specific to Siemens. however, I believe the proper KKS code...
Why use 20 to 160mA instead of 4 to 20mA
Gas Turbine Flowmeter Calibration
Gas Turbine Frame 6B - Honeywell SMV3000 Smart Transmitter, Model SMA 125 Flowmeter Hardware and software calibration
Valve Trim Size Definition
Posted by Andries van Renssen on 19 August, 2016 - 8:35 am
How is valve trim size defined?
Uploading Data to Honeywell Experion PKS
Posted by Satyngar on 27 May, 2016 - 5:14 am
Problems uploading SCADA to Quick Builder