High Vibration found in a typical Band of the Speed
on 6 July, 2015 - 12:00 pm
I would say that if this is a recent condition for a machine which has been running without any...
By Bob Johnston on 5 July, 2015 - 8:16 pm
You don't say what model of machine you have. but I would guess that what you are seeing is the...
Generator Hydrogen Cooling System
hydrogen cooling system for GE frame6 generator manual
By Timus on 5 July, 2015 - 6:03 pm
Dear CSA sir, I was searching for some information & I came across this wonderful & very...
JPDF Card 125VDC Input Source
JPDF Card 125VDC direct supply source
Atomizing Air temperature
on 3 July, 2015 - 6:51 pm
hassanj, The answer given presumes a typical GE-design Frame 6B heavy duty gas turbine with a...
Connecting PC with Two MODBUS RTU Devices
Having two RTU MODBUS devices communicate with PC.
By Omer on 5 July, 2015 - 5:35 pm
You can connect 2 MODBUS RTU devices using RS-485 connection to a single RS-485 to USB converter....
By icpdas on 30 June, 2015 - 6:00 pm
I am a bit confused. Please post the part numbers of the devices you are communicating to and...
Explosion Proof Solar Cells
The certification of Hazardous area solar cells.
By elomoon on 5 July, 2015 - 1:08 pm
If the equipment is not certified who says that can be used in potentially explosive atmospheres?...
By elomoon on 3 July, 2015 - 12:26 pm
Hola, The equipment is ATEX certificate which specifies the mode of protection of the...
Floboss S600+ and MODBUS Mapping
Have Flowboss S600+; need to understand how to map digital and analog data for MODBUS.
Oil in Water Detector - Gross Measurement 0-10%
Detection of roughly 5-10% of oil in water. Looking for a solution which is: Simple, online, insertion type, cheap, IECEx hazardous area certified.
on 4 July, 2015 - 9:27 am
This device is low cost, but it only detects oil on top of water. It will give you a relay contact...
Pressure Transmitter Accuracy
Clarification on transmitter accuracy
Gas Turbine High Spread Issue
High spread issue in GE gas turbine frame 6E mark V control
Flame Detection and Monitoring
Need help to set the guidelines for an article about eliminating flame scanners and using just exhaust thermocouples for control.
By Steve Myres on 3 July, 2015 - 5:48 pm
That sounds like a bad idea to me. Typical UV flame scanners will produce an FFRT (flame fail...
Frame 5 GT Fails To Start
We have recently switched our 1972 F5 GT to liquid fuel only and cannot get it to light off. It is pre AA compressor and was originally diesel only.
on 3 July, 2015 - 3:21 pm
Chris W, Thanks for the feedback! It's always welcome, and very useful for many. I'm going to...
Selecting an encoder that detects both increasing and decreasing RPM.
By R.Fredericks on 3 July, 2015 - 10:29 am
You could be looking for a "quadrature" encoder. However, you often need a card to...
FF Segment Box Earthing Philosophy
Foundation fieldbus Segment Box earthing design
Is MODBUS a Good or Usual Resume Item?
Is MODBUS an unusual requirement for software developers or engineers? Or is it a very common requirement.
By Bill on 2 July, 2015 - 10:02 am
I think that Modbus would fall under a general category of Industrial Networks or Industrial...
GE Frame 6 Gas Turbine bleed air valves
Flowmeter for Low Flow in Gravity Sewer
What type of Flow meter can be used for measuring flow in a gravity fed sewer pipe and be able to measure very low flows?
What is single effective speed?
Steam Turbine Overspeed Calculations Based on Steam Flow
How to calculate steam turbine over speed based on steam flow?
Basics of Control & instrumentation PDF Book
link for the free Down loadable PDF book for Basics of Control and instruments?
By jack smith on 2 July, 2015 - 11:54 am
Search kishore karuppaswamy in Google and click on "Instrumentation Text" tab and you can...
I wish to track a part on a indexing chain 40 indexes. How do I shift/create more then a 16 bits shift register?
Bently Nevada 1900 Series... Using a Vibro-Meter Sensor
We have a Bently Nevada 1900-65 vibration rack for measuring vibration of a small turbine. Can I use VIBROMETER acceleration sensor instead of Bently-Nevada sensors for that?
Bently Nevada 3300 System Gap Voltage
Gap Voltage for a 3300 vibration measurement
Control Valve and Flange Question
Posted by Irfan Choudary on 24 June, 2015 - 10:53 am
please let me know why use reducer before control flanged.
Help me in measuring the volume reading in new tank
By richard on 29 June, 2015 - 8:50 am
please i have a tank measuring 2820 diameter 7570 length i have already calculated the...
How can LAN segment length can be increased using cat cables?
Definition of Droop and Isoch
By Ramon Villasana on 1 July, 2015 - 11:53 am
Hi Markvguy. I have been following your statements, replies and comments on queries about...
Need copy of Wincc Tutorial
By juliana ingrid ewonda on 1 July, 2015 - 6:25 am
I also need to get a copy of the WinCC Tutorial. How can we do it?, if I'm not in the U.S. This...
Ancillary Service (area regulation) Using Battery Energy Storage vs Pumped Hydro vs Gas Turbine
How different is a battery energy storage system from pumped hydro and gas turbine in terms of area regulation for the grid?
GT Lube Oil Consumption High
Posted by Qurban Ali on 23 June, 2015 - 1:41 am
GE frame 9E gas turbines lube oil consumption weekly basis more than 300 liters
Using Module EL6002 Beckhoff as Virual COM Port
How to configurate EL6002 as Virual COM Port in TwinCAT 2
Protocol Use at Edwards Fire Alarm Module SIGA-CT1
Connecting a Edward CIGA module to SCADA
By icpdas on 30 June, 2015 - 6:05 pm
The SIGA-CT1 does not appear to communicate via a standard protocol like Modbus. The module appears...
Locally Controlling an Alarm Using MODBUS RTU
Need to add some local control using MODBUS RTU
By icpdas on 30 June, 2015 - 5:50 pm
HI Scott, I am not sure what triggers your alarm. I am assuming an input or a series of inputs....
Capitance Type Level Transmitter
Posted by Irfan Choudary on 25 June, 2015 - 10:38 am
Capacitance type level transmitter giving incorrect reading in sulfur pit
By Mark J on 29 June, 2015 - 7:56 pm
If the calibration medium is different than the measured pit contents then your calibration will be...
Does any know of any instructor lead PID loop tuning courses?
By Hans H. Eder on 29 June, 2015 - 6:27 am
ACT is offering fully practice oriented, always top rated training courses covering the principal...
Problem with Siemens Fieldbus positioners
Connection Failure with Fieldbus Siemens positioners
safety integrity level study
Need some questions answered about SIL verification
By Vishwanathan Gurumoorthy on 28 June, 2015 - 8:54 pm
You are very much right that the SIL verification has to follow SIL Assessment after Hazop study at...