How much power is required for mark-vie control system
I am working on newly construction power plant with frame 9e gas turbine. I want to know how much power is required for mark-vie control system?
Level Transmitter - Advice
Looking for advice on a good level transmitter
By Walt Boyes on 30 March, 2015 - 11:08 am
The simplest solution may be to purge the bubble tube more frequently. I would try that first. You...
By Tim Wilborne on 29 March, 2015 - 9:02 pm
While it would vary by density so I'm not how much you mean by a little higher or lower, have you...
What is the Standard 3-phase voltage supply in the US
Nominal or "Standard" 3-phase voltage supply in the US? Is there a standard? If not, what is considered the "most common" industrial 3-phase supply distribution voltage?
By Eric on 30 March, 2015 - 10:19 am
>ANSI/IEEE Standard 141 (red book) specifies standard >nominal system voltages. These also...
Reverse current protection & Management
Reverse current protection & D.G output power management
Ideas on how to apply LOTO without knocking down entire panels
MODBUS Device Losing Connection with HMI
After 4 - 5 days MODBUS devices sometimes disconnect from HMI.
Is anyone using Modbus RTPS protocol?
By Stan Schneider on 30 March, 2015 - 1:29 am
Just ran across this. The RTPS protocol was migrated to the OMG standards organization in 2005. ...
Synchronous Generator Power Factor
Steam Turbine Generator & Power Factor
AB Microlox 1100 To Redlion
Setup on Mapping Data from Red Lion Data Plus Station To Ge PLC 90 70
MODBUS Communication Between S7 PLC and National Instrument Master Software
Cannot get MODBUS communication going between National Instrument master and S7. Is it a hardware problem?
By Chris A on 29 March, 2015 - 8:40 pm
If the serial port is indeed unable to connect, either through an application or driver problem,...
In mark V TMR IDOS, when I auto calibrate IGV core <T> current value and actual position value not same as R&S core value.
GE MS9001E Frame 9E Questions
Some questions about bearings and ventilation and turbine cooling
Measuring Air Flow in a Large Room
Measuring the flow of air in a large room.
Mark-VI VCMI Card Fault Alarm (code: 57,67)
Increasing Excitation of an Isolated Alternator Feeding a Resistive Load
Effect of increasing excitation on terminal voltage and load current of an isolated alternator feeding a purely resistive load.
Help with the design of an electronic circuit for a PID controller
HP Rotor Speed (TNH) Fluctuation vs Combustion Trouble on GE Frame 5
Because the TNH is fluctuating the Combustion Trouble Alarm goes away! What's the relationship between TNH stability and Combustion Trouble? What are the root causes of TNH fluctuation and How to keep a steady and stable TNH?
WINCC Scada not getting Data from above 29 S7-200 PLCs
MODBUS Comunication with RS485 on ST-200
Communication between PLC and PC via Modbus, using a network interface to transport the rs485 via TCP/IP.
By Roy Matson on 27 March, 2015 - 4:26 pm
I'm not familiar with the hardware you are trying to use however I have done a lot with RS-485 in...
Level Transmitter Problem
Level Transmitter of Mobery LT100 displacer type is works fine in workshop, but after installation indicates -35%.
Thermal Dispertion Flowmeters
Thermal Dispersion Flowmeters, Principle
By Daniel on 28 March, 2015 - 9:36 am
TfRTD just measure the fluid temp. It will not detect the heat of T1RTD as you are supossing....
Centum VP: Graphic builder: Object Properties
Design a new graphic with the Centum VP graphic builder: I want to change the properties of an object, but "Properties" window doesn't open.
Variation of Auxiliary Power Demand of a Typical Coal Based Steam Plant from Start up to Full Load
variation of auxiliary power demand of a steam unit with time as the unit is loaded from zero to full load
By Bruce Durdle on 27 March, 2015 - 2:48 am
The auxiliary power demand will start before the steam plant is fired up. You have to run...
Communication between Microcontroller (Master) and Schneider Drives (slaves)
Question about MODBUS communication from the micro controller to Schneider drives using MODBUS RTU communication.
By Roy Matson on 27 March, 2015 - 4:38 pm
If the slave sent your request back you must be getting close, to send it back it must be receiving...
By Koen Verschueren on 27 March, 2015 - 3:01 pm
Hi, Your telegram seems to be OK so this should work. Since you are receiving the same...
2 cable connection or a 3 cable connection for PT-100?
Calculate the Speed of Conveyor.
Calculating the speed of a conveyor belt, using Allan Bradley Powerflex 40. Converting Hz to km/h.
By Roy Matsom on 27 March, 2015 - 4:52 pm
> In the PF40, parameter A099 is the "Process Factor", a multiplier that is applied ...
After excitation limit alarm, unit tripped due to uncontrollable drum level.
Operating GE 9E on DLN Mode with Liquid Fuel
For All GE experts, why is the liquid fuel mode operated only at lean lean mode?
I need some advice / info from an experienced user / programmer of the Siemens LOGO 12/24