Posts from...
Today, Saturday, May 25, 2013
Originally posted by Carlos Soriano on 20 September, 2012 - 10:40 pm
PLC Controllogix 5000 slow ethernet response
New Replies:
By Dinesh Chauhan on 25 May, 2013 - 10:21 am -
Always remember to click on "Auto negotiate" in settings of ethernet module. Sometimes it...
Hi Carlos, Did you fix the slow response issue? we are just experiencing the same situation with...
Topic: Power generation equipment control.
from the Problem with REC 316*4 department...
REC316*4 ABB relay
Posted by Controman on 25 May, 2013 - 9:50 am
Problem with the message: "-System Restart- Are you sure?
NO yes
Originally posted by snorf on 24 May, 2013 - 3:31 pm
Need to choose from many different sensor technologies to detect if spray nozzles are clogged or not.
New Replies:
A small venturi could be made that would have low pressure drop. There are a number of PCB level DP...
I have used thermal dispersion flow switches in liquids several times. They have some serious...
Topic: Engineering and workplace issues.
from the interposing relay department...
interposing relay
Originally posted by karthik on 1 March, 2009 - 8:22 am
what is interposing relay
New Replies:
You have the idea, assuming you're not thinking that the interposing relay MUST be an ice cube...
Thanks Steve. I understand what you're saying, I assume this is just a question of semantics. The...
>can anyone give the detail of interposing relay ..Interposing relays are used to connect...
The phrase "interposing relay" is describing the relay by it's purpose in the system...
Is there a difference between an interposing relay and say an "ice cube" relay? I'm...
Topic: Power generation equipment control.
from the Forum department...
servo valve calibration
Originally posted by ESKAY on 19 May, 2013 - 4:16 pm
Distillate fuel servo calibration
New Replies:
Mike Borelli, You are most welcome for any insights I have provided. AutoCal on the Mark V...
CSA, Thanks for all the detail. It does help give a better understanding to all. We are...
ESKAY, LOCATE LOW and LOCATE HIGH are used to tell the Mark IV what position (in percent of...
Dear CSA Sir, Thank you very much for the quick response.I did ask about the Fuel...
Mike Borelli, I'm presuming you are referring to a Mark V Speedtronic turbine control panel...
When I check the LVDTs, I run the valves from -25 to +125 and check the LVDT voltages as 0 and...
ESKAY, I now see you are asking new and different questions, and the information you are...
ESKAY, I sense your frustration. I, too, for a couple of years as a new GE employee was under...
Dear CSA sir, I could not find the answer thro the "search" facility OR ...
Dear CSA , Thanks for directing me to the old thread , for the same issue of calibrating...
Topic: Communications systems and equipment.
from the Automation List department...
Hilscher Profibus To Modbus Interface
Originally posted by Okan Benli on 24 February, 2005 - 10:24 am
PKV 30-DPS product as an interface of Profibus to Modbus...
New Replies:
Hi, I have a PKV 30 DPS but i canīt communicate with COMPRO because i need the CPRUN,BAT file....
Topic: Engineering and workplace issues.
from the Dept of cluelessness department...
Generator load sharing methods
Originally posted by CJM on 14 April, 2007 - 1:04 am
I'm looking for an explanation of Diesel Generator and Gas Turbine load sharing method explanations. Can anyone help?
New Replies:
Under stable load condition in the range from 0-100% the out put frequency shall be 60 HZ the...
Topic: Local and wide area networking in factory automation.
from the engineering department...
Connecting Allen-Bradley PLCs via Ethernet/IP
Originally posted by chetan on 24 May, 2013 - 3:28 am
Connecting Allen-Bradley PLCs via Ethernet/IP To DF1
New Replies:
I am not a RA or AB expert but I do believe that it would be much better to update the control room...
By Dinesh Chauhan on 24 May, 2013 - 9:26 am -
Better use one more AB PLC (MICROLOGIX-1400 you can try) & connect the PLC's Ethernet port to...
Topic: Power generation equipment control.
from the Maintenance department...
Frame 6B Lube Oil Heaters
Originally posted by davidmcc on 21 May, 2013 - 3:52 am
Where are the lube oil heaters located?
New Replies:
Davidmcc, As a former GE employee (I no longer work for GE) I don't have access to any of their...
Hi CSA, The machines are of 1997 build by European Gas Turbines. There is no earth (ground)...
Davidmcc, Good to hear you have located the heaters. Sounds like a very circuitous route--and...
The heaters pull out from the opposite side of the machine from where the terminals are. The...
Thanks CSA, you're right, the lube oil heater 23QT-1 is accessible at low level on the side of...
Our three are on the right side of the oil tank. There is a TIL on these, talks about reconfiguring...
Davidmcc, Typically, the immersion heaters used on GE-design heavy duty gas turbines are in...
Topic: Local and wide area networking in factory automation.
from the Forum department...
Network control of 4-20ma output
Originally posted by Rob on 4 May, 2013 - 11:31 am
Network control of 4-20ma output
New Replies:
Thank you for the feedback. I do not want a full blown PLC and the web relay devices are exactly...
Topic: Power generation equipment control.
from the Power plant department...
Integral bypass valve
Posted by Mantu on 24 May, 2013 - 5:40 am
Why integral bypass valves are not provided on -
1. atmospheric discharge valve having high pressure upstream and atmos pressure downstream.
2. Pneumatic on-off valves
Topic: Information resources, documentation.
from the Department department...
Volume - Dimensions of a tank
Originally posted by Olive on 23 May, 2013 - 1:40 am
need volume info
New Replies:
Of course, you CAN improve the accuracy of those somewhat by using a SWAG (**Scientific** WAG)!...
As others have said, it cannot be done without knowing any one of the parameters: height, diameter...
Pray. Seriously, it can't be done. More than one combination of length and diameter will yield the...
>how can you work out the height, diameter and circumference of a tank if you only know the...
> how can you work out the height, diameter and circumference of a tank if you only know the...
Topic: Engineering and workplace issues.
from the Electrical department...
Generator Operation
Originally posted by Nagender Mantha on 23 May, 2013 - 7:44 am
Generator Operation
New Replies:
Presuming the Moderator's Note is correct, and the original poster is talking about synchronous...
Yes....
Topic: Communications systems and equipment.
from the Automation List department...
MODBUS /TCP and GPRS firewall/NAT
Originally posted by Paulo H. Guadagnini on 19 March, 2006 - 9:17 pm
developing a telemetry system (RTU) based on a cellular modem with build-in GPRS TCP/IP...
New Replies:
I'm a Student in beginning of thesis having this problem to. The problem is does not have...
I am also trying to do the similar project but in my case the RTU is a controller with GSM/GPRS...
Topic: Power generation equipment control.
from the Forum department...
How is frame machine fuel pump driven?
Originally posted by TurboNerd on 23 May, 2013 - 10:49 am
How does frame machine fuel pump driven? Electrical or Mechanical Gear box? And what is the pro and con?
New Replies:
on GE frame 5 machines it is shaft driven....
Originally posted by The miracle worker on 10 February, 2013 - 12:08 pm
Possible issue with WX compensation cable to DCS reading of Thermocouple temperature?
New Replies:
> Can i know, what will be the temperature reading in the DCS when Thermocouple burnout occurs? ...
First: Replace the K Thermocouple with its cable If the measure is not accurate then there is a...
>Electrical noise due to HT cables... >Rans near to thermocouple cable.... > >mV may...
Topic: Software, including programming, OS issues, etc.
from the Maintenance department...
LIquid Fuel Bypass Valve Mark V Flame 5 (MS5001)
Originally posted by STEVEN on 21 May, 2013 - 12:31 pm
Load running at limitation when running on fuel oil.
New Replies:
Hi Steven, I am not sure which brand of bypass valve is used in your application. Base on my...
Hi CSA, May I know more about how the fuel pump clutch work on GE Frame V machine? I heard that...
STEVEN, I don't know of any way to test for passing of the liquid fuel bypass valve when the...
Posted by ken on 23 May, 2013 - 12:39 pm
How to configure an 1756-ENBT to Bently Nevada 3500 Enet gateway
Topic: Motion control, servos, steppers, etc.
from the Forum department...
Vb MMI Stepping motor homing issue
Posted by kant on 23 May, 2013 - 10:51 am
Stepping motor is not homing when command is issued through MMI program.
Topic: Power generation equipment control.
from the Instrumentation department...
Ratchet problem
Originally posted by vijay on 19 May, 2013 - 10:40 am
we had a problem in the ratchet mechanism
New Replies:
You haven't told us what Frame size the machine is, or what kind of hydraulic ratchet system you...
Experience ratchet pump both AC and DC pump cut-in during ratcheting operation. Found motor pump...
Topic: The Business of Automation and Control
from the Automation List department...
JimPinto.com eNews - 23 May 2013
Posted by Jim Pinto on 23 May, 2013 - 12:57 am
The latest JimPinto.com - Connections for Growth & Success(TM) is on the web.
Topic: Power generation equipment control.
from the Forum department...
Woodward 505 steam controller
Originally posted by Mick on 16 May, 2013 - 5:29 pm
Woodward 505 steam controller Alarm issue
New Replies:
By Sergio Toledano on 22 May, 2013 - 7:15 pm -
> I have just programmed a Woodward 505 controller and exited 'Configuration' mode. I keep...
Posted by Alexandre Besner on 22 May, 2013 - 1:51 pm
We are looking for an easy way to connect our foundation fieldbus network to our modicon m340 PLC.
Topic: Power generation equipment control.
from the instrumentation department...
servo regulator
Originally posted by vm on 22 May, 2013 - 1:33 am
What is meant integrator convergence gain for servo regulator?
New Replies:
vm, That value, while field-adjustable, is not meant to be "tuned" in the field. It is...
Topic: Power generation equipment control.
from the Operations department...
Frame 6, Mark V GT
Originally posted by Sunil on 22 May, 2013 - 7:46 am
We are running Frame 6, Mark V GT ,only with gas.Has HRSG. GT for captive power generation in process plant steam for process
New Replies:
Sunil, When did this problem start? After one of the cards you listed was...
Topic: Communications systems and equipment.
from the Forum department...
Mobus slave Address
Originally posted by UY on 21 May, 2013 - 9:42 pm
About modbus protocol
New Replies:
By Lynn August Linse on 22 May, 2013 - 9:40 am -
Most slave and master devices support all addresses from 1 to 255, in part because many were...
I don't know what 248 to 255 are used for. They're not used because that's what the Modbus spec...
Topic: PLCs and related questions.
from the I&C department...
GE Fanuc PLC Alarm
Originally posted by DEWA on 6 May, 2013 - 2:02 am
Action handler Fault from GE Fanuc PLC
New Replies:
Many thanks for your interest....
Topic: PLCs and related questions.
from the For a book department...
PLC's with free programming software?
Originally posted by Mark Wills on 14 October, 2006 - 6:21 pm
Looking for PLC's that can be programmed in Ladder, FBD and Structured text, preferably with free, or low cost programming software.
New Replies:
micrologix 1100 has free lite version software...
Topic: Power generation equipment control.
from the Forum department...
Cimplicity configuration
Posted by Abdou on 21 May, 2013 - 4:01 pm
HMI upgrade
Topic: Software, including programming, OS issues, etc.
from the OPD Data Acquisition and Reporting department...
Release of Genesis 1.2, OPC Data Acq Freeware
Originally posted by TGMDev on 5 September, 2011 - 2:50 am
Genesis 1.2 is the last release of a freeware used for OPC data acquisition, data saving (as csv) and data charting.
New Replies:
Genesis OPC Explorer 2.0 is a Free OPC Client for connection to OPC Servers, data acquisition, data...

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