Control.com - Forum for Automation Professionals

6
replies

Combined Cycle Power Plant Start Up

on 12 February, 2019 - 12:43 pm

Controlling Vertical Type HRSG's HP drum metal temperature during start up with GE Frame-9E Dual Fuel standard combustion Gas Turbine.

New Replies:

By rokan_123

on 20 March, 2019 - 9:08 am

Dear CSA, Thanks for your valuable support. Regards, Rokan...

Modbus Communication with Danfoss VLT FC360

Posted by MONAK

on 20 March, 2019 - 6:04 am

Cannot fetch data on serial communication using Modbus with Danfoss VLT FC360.

5
replies

What Is CEMS Used For?

Posted by Daneezy on 20 September, 2014 - 3:53 pm

What is CEMS used for and how does it operate in Power Generation gas turbines (GE Frame 9e)?

New Replies:

By peacecum

on 20 March, 2019 - 3:44 am

Thanks for the post. It is very helpful....

Activate Tables Menu in Instrument index of INtools

Posted by dovestar

on 20 March, 2019 - 3:07 am

Activating the tables menu in SmartPlant Instrumentation

8
replies

MODBUS to HART converter

Posted by Dan Platt on 18 May, 2004 - 7:05 pm

Is there a device which acts as a HART slave and Modbus Master?

New Replies:

By John Hamilton on 19 March, 2019 - 4:44 pm

I have a situation where we make a Natural Gas Analyzer which has Modbus (RS232, RS485, TCPIP), our...

2
replies

Should I use a Regenerative Drive?

Posted by imran0413

on 15 March, 2019 - 1:51 am

Load is driving motor so motor is actually working as generator. Is there any advantage of installing Regenerative drive?

New Replies:

By oneye14

on 19 March, 2019 - 4:33 pm

You could hire a (3 phase) power meter and find out exactly how much energy you are saving and /or...

By d on 19 March, 2019 - 3:38 pm

it is reducing power feed to the plant, so you are currently benefiting with no extra expense....

1
reply

VFD on 300 KW , 440 Volts Compressor

Posted by mushahid

on 19 March, 2019 - 12:46 am

Replacing Reduced voltage starter to VFD on 300KW Motor drive compressor

New Replies:

By d on 19 March, 2019 - 3:43 pm

That is only a 300 HP motor. To change the drive, you have to carryout a mechanical and process...

2
replies

Rosemount Diff. Pressure transmitter problem

Posted by Ayman

on 23 July, 2012 - 2:58 am

reading of the transmitter problem

New Replies:

By David_2

on 19 March, 2019 - 3:01 pm

>I believed that the Hart meter always gave the true output reading, but I guess that's not the...

By Luchesa on 15 March, 2019 - 11:40 pm

Hello, I had a similar problem today. a Rosemount transmitter connected to an AB 1794 IE8xt...

5
replies

PG6111FA M-VIe control IGV hunting in Preselect Load

Posted by STLTLS

on 13 March, 2019 - 7:28 am

IGV hunting during only on preselect load operation.

New Replies:

By CSA

on 19 March, 2019 - 1:14 pm

STLTLS, >Sure we will get the data by today and will post once >gathered all the data as...

By STLTLS

on 15 March, 2019 - 12:25 am

Dear CSA, Sure we will get the data by today and will post once gathered all the data as you...

By CSA

on 14 March, 2019 - 2:32 pm

I find it utterly incomprehensible--and completely stupid--that operators and their supervisors and...

SFC CPU Card Replacement Fault

Posted by ansmehmood

on 19 March, 2019 - 11:17 am

Converteam SFC installed at our site and now have problems after replacing a problem CPU card.

6
replies

Polling Slaves from 2 Masters

Posted by Sean Campbell on 18 March, 2019 - 8:20 am

Can devices configured as Modbus Slaves send data to 2 separate Masters?

New Replies:

By WesG

on 19 March, 2019 - 9:45 am

If I were to do this with one of our products, I would use a 266-500-220. Connect your masters to...

By koen_verschueren

on 19 March, 2019 - 2:38 am

Modbus TCP to RTU gateway is a solution but the you need to change all masters to connect to the...

By Sean Campbell on 18 March, 2019 - 3:08 pm

It would be 2 networks, one for BMS and 1 for prosoft....

By WesG

on 18 March, 2019 - 12:03 pm

I'm a little confused in how this is set up. Do you have 2 networks 1 for prosoft 1 for bms, or is...

By Fred Loveless on 18 March, 2019 - 10:59 am

No it is not possible to have 2 Modbus Masters talking to the same serial slave device. The Slave...

By David_2

on 18 March, 2019 - 10:47 am

Not from a single RS-485 bus - that violates one of the Modbus Standard RULES - only one Master. ...

4
replies

A New Modbus-TCP Server Simulator

Posted by Talat Dogan on 15 March, 2019 - 9:47 am

New Modbus-TCP Server Simulator freeware is ready for download.

New Replies:

By Talat on 19 March, 2019 - 2:02 am

Thank you very much for your comment and suggestions. I appreciate you taking the time to comment....

By David_2

on 18 March, 2019 - 1:39 pm

I haven't installed it yet to try it, but I've looked at the screen shots on the web page. I...

By Talat Dogan on 17 March, 2019 - 1:05 am

Thanks for feedback. The link's been corrected....

By dierkens

on 16 March, 2019 - 10:23 am

Link broken on your page. Is there another method to get that file? The Portable version works...

6
replies

Selecting a PC for SCADA Systems

Posted by alisnelectric

on 10 March, 2019 - 1:37 pm

Selecting a PC for installing SCADA.

New Replies:

By MFT on 19 March, 2019 - 1:37 am

Hello, Slowdown of computers after some time is common but lockup of the computer points at a...

By James Ingraham on 18 March, 2019 - 5:25 pm

What SCADA software and version? What operating system? I happen to be aware of a bug in an old...

By alisnelectric

on 16 March, 2019 - 5:20 am

Thanks @Moderator... you are right. it was just a typo. I had meant 24*7 and not 27*7. ...

3
replies

PLC Programing Beginner

Posted by kwameplc

on 15 March, 2019 - 11:04 am

Looking for advice on the purchase of a training kit to learn PLC programming at home

New Replies:

By James Ingraham on 18 March, 2019 - 5:23 pm

I believe the MicroLogix 1100 line is effectively dead. Everything has moved to the Micro800...

By onyxindustries

on 16 March, 2019 - 8:51 am

Just my humble opinion- an IEC61131 codesys based environment is valuable for learning, since it...

By Luca Gallina on 15 March, 2019 - 11:56 am

if wirings are not essential for your training, be aware that some PLC programming environments...

1
reply

Modbus RTU to Bluetooth

Posted by chromeaccent

on 15 March, 2019 - 11:50 am

modbus RTU to bluetooth converter

New Replies:

By David_2

on 18 March, 2019 - 11:02 am

You haven't specified which serial port the Modbus devices run on - RS-232? RS-485? Ethernet? ...

6
replies

Mark 5 Processor Showing Faults

Posted by Hamed87

on 14 March, 2019 - 12:57 pm

Mark 5 processor showing faults and alarms after restart

New Replies:

By CSA

on 18 March, 2019 - 10:35 am

Hamed87, Thank you for the feedback!...

By Hamed87

on 18 March, 2019 - 12:41 am

We had find the problem. One fuse from TCQC for S controller. before that we notice that in the...

By CSA

on 15 March, 2019 - 1:57 pm

hamed87, When re-booting from <PD>, be sure to remove the power to the control processor,...

By CSA

on 15 March, 2019 - 12:12 pm

hamed87, What the I/O States function is telling you is: The RAM on the DCC/SDCC card is most...

By Hamed87

on 15 March, 2019 - 7:26 am

The controller S on the keypad showing in the errors A4 . I tried to delete or clear the error but...

By CSA

on 14 March, 2019 - 4:51 pm

hamed87, There is a procedure in GEH-5980 for using the LCC/SLCC display and keypad for...

High fuel flow

Posted by psajay1992

on 18 March, 2019 - 3:04 am

Working on simulation for 6FA machine. Need help to debug.

3
replies

Installing a Flowmeter to Calculate Gas Quantity and Display Information in Control Room

Posted by abdouzita103

on 15 March, 2019 - 3:58 am

Installing a new flowmeter to calculate gas quantity passing through a pipe and displays in control room

New Replies:

By abdouzita103

on 18 March, 2019 - 2:58 am

Need to calculate the gas-flow to 6 turbines by installing a type of flow meter before each...

By imran0413

on 18 March, 2019 - 12:48 am

I did a project some 25 years ago using Totalizing (Integrating) indicators of KEP. After that the...

By David_2

on 15 March, 2019 - 2:22 pm

I'm not aware of a commercial 'panel meter' that collates those totals. Totalization is...

6
replies

Generator VAr vs PF control

Posted by SyncCheck on 3 February, 2011 - 2:03 am

AVR VAr control VS Voltage control

New Replies:

By CSA

on 16 March, 2019 - 7:01 pm

Mohammeibr752, Thank you for the kind words, but, as usual there is an error.... >And, the...

By Mohamedibr752

on 16 March, 2019 - 1:40 am

Thanks a lot CSA. Your reply is very informative and useful....

11
replies

Switch or Router?

Posted by xtal_001

on 20 February, 2019 - 11:59 am

I am building a panel with a PLC, an HMI, and a cellular modem ... Do I need a switch or router?

New Replies:

By dierkens

on 16 March, 2019 - 6:20 pm

>I think all I need is a dumb switch but I am just not sure >... do I need a router instead?...

3
replies

Mark VIe Controller Turbine Block Library

Posted by siddiqui

on 29 January, 2017 - 1:08 am

Understanding turbine control using control blocks.

New Replies:

By CSA

on 16 March, 2019 - 3:54 pm

gustavo_marcelo, Re-read your post. It's not clear (at all) what block or blocks or whatever it...

By gustavo_marcelo

on 16 March, 2019 - 5:04 am

Hi, I do not have access to the Toolbox hence I could not read the details of the block (...

20
replies

Top 10 list of SCADA/HMI companies

Posted by Eric Perrier on 22 August, 2002 - 6:29 am

Who are the major SCADA companies on the US, European and world markets?

New Replies:

By Francisco on 16 March, 2019 - 9:39 am

Ignition from Inductive Automation...

Coal Power Plant Coordinated Unit Control

Posted by Micik1

on 15 March, 2019 - 9:11 am

Basic types of unit control in a coal fired power plant

Model-free Controller Simulation

Posted by David on 15 March, 2019 - 8:57 am

I am designing model-free controllers and I would like to simulate its performances.

12
replies

Mark6e (MK5 migration) Exhaust Thermocouples Read Low

Posted by borrellimd

on 12 March, 2019 - 2:52 pm

Mark6e (MK5 migration) exhaust thermocouples all read ~20DegF low

New Replies:

By khun on 14 March, 2019 - 10:13 pm

old software uses a single control constant (TTKXCOEF) as opposed to "new" MBC software...

By borrellimd

on 14 March, 2019 - 4:15 pm

I may have added some confusion, I do that... The screen readings (TTXD1_nn) read lower than the...

By CSA

on 14 March, 2019 - 2:04 pm

borellimd, Ah, the plot thickeneth. TTKXCOEF has a lot of "history" and mythology...

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