Modbus RS485 communication using serial card and DeltaV version 12
Heater Circuit Wiring and Fusing
I have several 240v heater cartridges on a 480v machine, using 2-3 single-phase transformers; How to best wire the circuits?
Change the IGV Angle Curve on Mark V HMI
Looking for technical information about effects of changing the IGV angle curve on Mark V HMI
On the morning of July 25th we encountered an unfamiliar alarm in our Mark V system for our GE7EA and would like feedback on resolving the issue.
on 29 July, 2015 - 3:03 pm
The 'TCCA Status S page xmit failure' alarm refers to the communications link between the Mark V...
Generator Synchronizing Issue
Generator that was recently rewound (G2) is connected back up. G1 is placed online. G2 is running. Turn G2 sync scope on and moves slowly CCW. Increase speed of G2, sync scope moves fast in CCW direction.
on 30 July, 2015 - 4:20 pm
Jim, When the speed of G2 was increased, what did the governor say happened to the prime mover...
Two Relay Contacts Connecting In Series To Increase Contact Life Cycle
Why connect two relay contacts in series can increase the contact life cycle
Looking for a DC Motor Starter
By Roy Matson on 30 July, 2015 - 1:57 pm
You seem to have switched 180° first of all you were looking for a 125 VDC motor starter. Now you...
By ROn Wensley on 30 July, 2015 - 10:49 am
Thank you for the reply. I found a vendor NAS that has the DC starters. However the idea of using...
When to Use Industrial Motor Frame Grounding
Lazy electrician doesn't want to connect motor frame grounds in a power plant. Claims NEC rules don't apply. Whose rules do?
By Valen on 30 July, 2015 - 5:15 am
Dear Phil, Thank you very much for you invaluable help and interest. Best regards...
Turbine Generator Offline and On Turning Gear
Looking for answer to recent test question
I/P positioner and I/p transducer Control valve
Difference between I/P positioner and I/p transducer
Asset Management System - HART Compatibility with Field Devices
Compatibility Issues between HART Versions between 'Asset Management System' and 'HART Field Instrumentation'
Condenser Vacuum Levels Rising
Vacuum level rising above normal levels especially during start up
MODBUS RTU Byte Frame Question
MODBUS RTU Frame with parity
Why is it not advisable to do welding near Gas Turbine?
I received a request for information about process safety time. I thought that some members of the list might be interested. ...
By Yesenia Khair on 29 July, 2015 - 7:49 am
Please, could we conclude that the Process Safety Time is mainly the output process scan time? ...
GE 9E DLN1 secondary flame trouble
Secondary flame needs so long time to be stable (up to one hour )
How to calibrate the IGV? Frame9E/simple cycle
Transformerless DC Injection Braking of AC Induction Motors
Patent information sought ......
Air Filter Housing Structure
Is it usual to seal the air filter housing structure with silicone sealant to prevent air leaks?
Dry Contact and Wet Contact
Posted by Irfan Choudary on 22 July, 2015 - 12:15 pm
Difference between Dry contact and wet contact in relay system.
on 28 July, 2015 - 7:16 pm
Dontknowman, Thanks for the kind words. But there are many who would argue about my patience. ...
on 27 July, 2015 - 8:50 pm
Irfan, Please don't think that any power that comes from the Mark V (or any Speedtronic) makes a...
Making Electricity with DC Motor
Have two dc motors and want to rotate large dc motor with small dc motor
AC Vector Web Drive - Dynamic Brake Resistor Required?
AC Vector Drive for web handling application - will I need a dynamic brake resistor?
Beginner in Artificial Intelligence Techniques in Industrial Automation & Robotics
Posted by Rushi Shroff on 9 January, 2015 - 9:56 am
Sources for learning Artificial Intelligence in Industrial Automation & Robotics
GT CCR HMI is not showing alarms in alarm viewer or cimplicity screen.
By CuriousOne on 27 July, 2015 - 8:38 pm
This is nothing new with alarm manager snap-in. You must re-establish the connection within alarm...
High Vibration in Pump Drive End Bearing
Higher vibration in Pump Driving end bearing about 80 micron is observed in all three pumps (TDBFP-A, B and MDBFP)
SQL Device CitectScada 7.4
A problem with getting data to MS SQL Server from SQL Device CitectScada
How to Brake Single Phase Motor
Trying to reduce motor stop time after removal of power. Tried DC injection with limited effectiveness. Need to find a better method.
7EA-Dual Fuel--Liquid Fuel Purge 20PL-4 Valve
Can some explain the functionality of the 7EA-Dual Fuel--Liquid Fuel purge 20PL-4 valve?
D77D-DNA Devicenet Adapter
Posted by Ron Wensley on 27 July, 2015 - 12:04 pm
Looking for a replacement/substitute for the Eaton D77D-DNA DeviceNet to QCPort adapter