Posts from...
Today, Friday, October 24, 2014
Originally posted by Rich on 21 October, 2014 - 3:28 pm
Looking for feedback on flow meters and flow computers from Flow Technology Inc
New Replies:
If it operates as just a flow meter and totalizer, presumably it operates unattended. Someone just...
Topic: Power generation equipment control.
from the Instrumentation department...
Mark V A6 state
Originally posted by G.Rajesh on 22 October, 2014 - 12:33 pm
Mark V <C> at A6 state after modify and download IO.ASS and IOCFG
New Replies:
Try downloading to all cores. I do not think you are allowed to only load I/O configuration to only...
G.Rajesh, Long time no hear from you; welcome back. I believe markvguy wrote replies to...
Thank you for your feedback. We have tried to revert back the changes but still at A6. Take...
Do not know anything about MKV but it seems that you had issue on C and relocated at new location...
Topic: PLCs and related questions.
from the Forum department...
Modicon and SoMachine Advice Needed
Posted by Curt Wuollet on 23 October, 2014 - 3:21 pm
Need to find a reasonable means of getting to know SoMachine.
Originally posted by Phantush on 21 October, 2014 - 3:28 pm
Convert RMS voltage to Analog signal + Per Unit
New Replies:
The sine wave input is to be read in from a PLC....
If I'm reading you right you want to measure the Peak Voltage. Use a diode and capacitor to...
Topic: Power generation equipment control.
from the Protective Relaying department...
Transformer Differential Relay Protection during Open-Phase
Originally posted by Amrit Pandey on 17 October, 2014 - 4:55 pm
Transformer Differential Relay Protection during Open-Phase. Possibility of the relay to trip during line to ground fault or open conductor outside the zone of the differential scheme?
New Replies:
Amrit... First some general comments related to your open-phase concern: A) During normal...
Phil, The size of the transformer is 75 MVA, Core Type Construction, FOA Thanks, -Amrit...
Amrit... one last question; what is size of the xfmr? Regards, Phil...
Phil, Thanks for your help! 1. Grid side (Wye 345 kV) neutral is solidly grounded. 2. Gen...
Topic: Application Questions and Problems
from the elec shortcomings department...
Using a Linear Actuator
Posted by richtad on 23 October, 2014 - 9:24 am
Using a 12v linear actuator to raise and lower my router mounted in a router table
Topic: Power generation equipment control.
from the Operations department...
GE MS-6Fa Operations
Originally posted by Jotang84 on 22 October, 2014 - 8:10 pm
How does generator control modes (Voltage,PF and Var) works and affects generator operations.
New Replies:
Jotang84, If VAr control mode is selected and a VAr setpoint is entered the Speedtronic will...
Topic: Engineering and workplace issues.
from the eng department...
Standard Recipes Designation ID
Posted by Gustavo Borda on 22 October, 2014 - 4:28 pm
Is there any rule to designate a process recipes (IDs)?
Topic: Engineering and workplace issues.
from the Automation List department...
Why is current transformer secondary short circuited?
Originally posted by Anonymous on 6 June, 2007 - 11:47 pm
Why is current transformer secondary short circuited during the operation?
New Replies:
why voltage not high when we short the C.T secondary side? Pls explain with principle....
Originally posted by Ben Herston on 21 October, 2014 - 5:54 pm
I need assistance in programming a Modicon Bridge/Mux BM85S485. The product is obsolete, and Schneider no longer provides technical support.
New Replies:
This pdf appears to be the manual you are looking for:...
By Lynn August Linse on 22 October, 2014 - 10:13 am -
Do you mean you are actually looking to put custom code on the BM85? It has been a long time, but I...
Give me an email address and I can mail you the user manual that explains the whole module....Don't...
Topic: Sensor technologies.
from the Forum department...
Interface Level Measurement
Originally posted by Bong on 14 October, 2014 - 9:16 pm
Measuring interface level for drum boots level
New Replies:
If you need help, supply more information on what you are working on like the details of the...
Topic: Engineering and workplace issues.
from the Instrumentation department...
Control Valve Fail Action
Posted by xyz on 21 October, 2014 - 6:28 pm
control valve fail action discussion
Topic: Power generation equipment control.
from the Power operation department...
High pressure turbine bypass system
Originally posted by Zouhen on 17 October, 2014 - 5:19 pm
During Turbine Low vacuum Trip what is the position of high pressure turbine bypass control valve
New Replies:
> Please JEB send to me your Email I am a guest on this forum and not sure of the rules...
Please JEB send to me your Email...
Do you have any drawings? I would think there would be more to BPV logic than just a low vacuum...
Dear Gutman thank you for your reply. the boiler is reheater boiler with hp bypass. Please...
first, I have never seen a CCP, nor a unit with multiple bypass. I have worked nukes with a single...
Dear, What type of boiler you have, reheater provided, hp bypass will provide steam to reheater...
Topic: Continuous process industries, DCS questions.
from the BATRAM repacement department...
Bailey ABB IMMFP01 - 02 NVRAM Replacement
Posted by Jack P on 21 October, 2014 - 11:20 am
Has anyone successfully replaced the SVRAM chips in the Bailey Processor modules?
Topic: Communications systems and equipment.
from the Confused Engineers department...
Allen-Bradley Ethernet to Fanuc CNC
Originally posted by David on 20 October, 2014 - 11:26 am
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
New Replies:
Yes I'm sorry. The CNC and the PLC both are using Ethernet/IP. I have only ever used Ethernet/IP to...
By Patrick Lansdorf on 21 October, 2014 - 2:43 am -
I think that you need to inform about what options that are available on the Fanuc CNC. I guess...
Topic: Continuous process industries, DCS questions.
from the Yokogawa Batch program download error department...
Yokogawa Batch Programming Download Error
Posted by ANWESHA on 21 October, 2014 - 7:56 am
Error while trying to download a recipe on the batch process of yokogawa centum cs3000 software. Error says - "BATCH AUTO DOWNLOAD ERROR Gr.01 01-0008 No.00 Code 5427".
Topic: Engineering and workplace issues.
from the OPC to CS3000 communication department...
Reading text information from OPC to yokogawa CS3000
Originally posted by ANWESHA on 3 July, 2014 - 4:08 am
Is it possible to read text/string from OPC to CS3000 in some way?
I would like to read a Batch number which is scanned and fed to OPC and display in the graphics of CS3000.
Is that possible?
New Replies:
Hi, Thanks for all your replies. The last reply by BC* nailed it. Yes there is a historian...
Topic: PLCs and related questions.
from the Forum department...
Converting a HoneyWell PLC Program
Posted by marinus on 21 October, 2014 - 5:58 am
Convert a PLC Program from HoneyWell to Schneider Electric
Topic: Power generation equipment control.
from the Forum department...
Electrical Rotating Equipment Training
Originally posted by Ajiit on 20 October, 2014 - 1:39 pm
Where or how do I find or start training to become a technician for turbines, generators, etc.?
New Replies:
Hi Arjiit, I started my career in the UK a long time ago (around 1963). I did an Inst. Tech....
Topic: Communications systems and equipment.
from the Forum department...
RS485 to Analog Input Conversion
Originally posted by cherrypi on 20 October, 2014 - 3:38 am
Is it possible to convert (multiple) readings being transmitted through RS-485 communication to analog signals?
New Replies:
A PLC with a RS485 port and a few analog outputs would do it fairly easily and more economically...
With all due respect, I would be extremely reluctant to use wireless sensors in an ESD application....
Topic: Power generation equipment control.
from the Power generation department...
Generator and Capacitor Bank
Originally posted by fluidflow on 22 July, 2014 - 1:04 am
Totally stumped by the recent brawl over utility of capacitor bank in power generation.
New Replies:
Fluidflow... I apologize for having missed your post! What did you mean by "LINE LOAD"...
Topic: Engineering and workplace issues.
from the Instrumentation department...
Installation of Ex-ia Converters in Ex-ia Junction Box
Originally posted by giorgioCDB on 26 August, 2014 - 11:34 am
Installing Ex-ia converters in Ex-ia Junction Box instead of EX-d
New Replies:
as temperature converters are Ex-ia, they can be mounted in Ex-D JB or even weatherproof JB as it...
Topic: Engineering and workplace issues.
from the Forum department...
Customized Control System ExD Enclosure
Originally posted by Rashid on 27 August, 2014 - 12:46 am
We have procured a Customized PLC ExD Enclosure.

New Replies:
if any changes has been done in Ex-D enclosure, new holes are drilled or any components installed....
Topic: Software, including programming, OS issues, etc.
from the How far can I stretch the standard department...
How Strictly Should the MODBUS Addressing and Data Models Be Followed?
Originally posted by MikeAtCalidus on 16 October, 2014 - 5:50 am
How flexible can the Addressing and Data Models be with regard to the width and alignment of objects accessed through read/write register functions?
New Replies:
Hello, My point was: follow the specification. Regards, Mark http://www.peakhmi.com/...
By Lynn August Linse on 20 October, 2014 - 12:27 pm -
Mark, I can only shrug, reporting what I've seen. As I said, I find it annoying, and do as I...
Hello, What if the master uses two reads and the combination of two reads fetches the complete...
By Lynn August Linse on 20 October, 2014 - 9:30 am -
I have seen small products demand a read starts at 'beginning' (offset 0). I've also seen products...
Considering the answers above, would it be acceptable for the server to respond with an ILLEGAL...
Topic: Power generation equipment control.
from the I&C department...
Westinghouse W251B11 wet compression
Originally posted by Napster225 on 16 October, 2014 - 7:55 am
Power augmentation by direct wet compression on W251B11 gas turbines
New Replies:
Ahem, > This technology is widely being used in today's combined-cycle and co-gen GT >...
This technology does increase the power output as well as the life of the GTs'.You may refer to...
Topic: PLCs and related questions.
from the Automation List department...
Connecting an Analog I/O Module to a Delta PLC
Originally posted by CauÍ on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
New Replies:
> Should be the +I and Comm.... Please verify the voltage across this. > it should be 24V....
Topic: Software, including programming, OS issues, etc.
from the Automation List department...
OPC Server for the ALSTOM 80MT PLC
Originally posted by Chetan Chothani on 12 January, 2000 - 2:33 pm
Does anybody know if an OPC Server exists for the ALSTOM 80MT PLC ??
New Replies:
does anybody can help me? I have case. I want to upgrade my operating system in my computer for...
Topic: Power generation equipment control.
from the Power Generation department...
Gas Turbine control - Hardware Part Trip of L4
Originally posted by Neo on 19 October, 2014 - 8:02 am
When Hardware causes the trip of L4
New Replies:
neo, Welcome back; I've been a little busy, also, so it hasn't been a problem. So, I'm taking...
Posted by JŁrgen Rose on 19 October, 2014 - 7:38 am
Power Plants on the Internet? Really? The latest research that generated the map is being presented at the 4SICS conference in Stockholm.
Topic: Engineering and workplace issues.
from the Instrumentation department...
Reinstallation of an Orifice Plate in a Pipeline.
Originally posted by Arafath Ali on 13 October, 2014 - 2:20 pm
How to reinstall an orifice plate in a pipeline after the information regarding the HP and LP side is lost?
New Replies:
Placing the beveled surface on the HP side definitely reduces the discharge coefficient and throws...

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