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Control.com topic...
Process Control
Topic: PLCs and related questions.
from the instrumentation department...
solartron 7915 flow computer
Posted by amir qadri on 25 June, 2014 - 11:02 am
solartron flowcomputer 7915 showing error message bad ram checksum error, but it is working normal, printer is continuous writing, bad checksum error.
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Control MOXA IOLogik via TCP
Posted by Roberto on 24 June, 2014 - 10:54 am
Control MOXA IOLogik via TCP
Topic: Engineering and workplace issues.
from the Instrumentation department...
Compressor Control
Posted by nimish on 24 June, 2014 - 7:06 am
Our Compressor Centrifugal and we want to take safer value of the Suction pressures between two redundant Transmitters in CCC system.What Values we should consider Higher Suction Pressure or Lower Suction pressure Value with in two Tx's.
Topic: Continuous process industries, DCS questions.
from the bently nevada yokogawa interface department...
Bently Nevada output to Yokogawa
Originally posted by mohamed nizam on 26 November, 2012 - 11:26 pm
Bently Nevada 3300/55 VMS card to Yokogawa AI card not working
New Replies:
I'm having the same issue right now. Can you advise what is the solution...
Topic: Motion control, servos, steppers, etc.
from the Instrument &Control department...
Control Valve Positioner Action & Travel Scale
Originally posted by Kazim on 4 December, 2013 - 10:01 am
Control Valve FF positioner (Masoneilan FVP-110) Action (Direct/Reverse) and travel scale range.
New Replies:
Please take note that there are 3 actions/parameters which determines the final valve travel...
Topic: Continuous process industries, DCS questions.
from the Forum department...
AC450 I/O signal error
Posted by Dima on 22 June, 2014 - 2:02 pm
Strange problem!
Topic: Continuous process industries, DCS questions.
from the PLE department...
Boiler Combustion Air Flow
Originally posted by Abu Raihan on 14 March, 2014 - 7:51 am
Best practices for Boiler combustion Air flow measurement in DCS or PLC.
New Replies:
By Heinrich Baumann on 21 June, 2014 - 5:28 pm -
I am sorry, just reading my own post I think something misses. On combustion systems it is very...
By Heinrich Baumann on 21 June, 2014 - 4:56 pm -
>A reason for doing square root in the >DP transmitter is that it is >functionally a...
Posted by Dwayne on 20 June, 2014 - 2:59 pm
How to design function block diagram to control DO by Temperature
Topic: Continuous process industries, DCS questions.
from the Forum department...
IGV TEST
Originally posted by KHAIRI on 18 June, 2014 - 5:20 am
IGV TEST
New Replies:
thanx friends our turbine is GEms5001 mark vi TMR and we have problem on igv and the test which...
To Brian's point, we could tell you the typical things to force and do, but we don't understand...
Obviously, you would not want to attempt this unless the turbine was in a safe condition for this...
Topic: Power generation equipment control.
from the Forum department...
Barton 764 nuclear grade level transmitter
Originally posted by Rob Clark on 30 December, 2013 - 12:54 pm
Just replaced an old Barton 764 nuclear grade level transmitter. Now I have a transmitter installation question.
New Replies:
I don't suppose you still have this transmitter? Is it functioning? Thanks...
Posted by Rizwan on 18 June, 2014 - 3:38 am
Alternate for Frigosystems s.r.l
Topic: Continuous process industries, DCS questions.
from the Forum department...
Universal Station of honeywell tdc3000
Posted by zafar on 18 June, 2014 - 1:00 am
honeywell tdc3000
Originally posted by Tulus Lubis on 5 June, 2014 - 1:01 am
Standard installation for Gas Flow Measuring with Pressure and Temperature compensation.
New Replies:
I just thought locating the PT static pressure tap at the high side DP tap and keeping a thermowell...
Dear Mr David, Thank you for response, but do you have the reference for this installation. I...
Thermowells are downstream of the orifice beyond the meter run length. Before multivariables...
Topic: Continuous process industries, DCS questions.
from the electrical department...
difference between honeywell gus and tdc 3000
Posted by zafar on 17 June, 2014 - 2:45 am
What is the difference between Honeywell gus and tdc 3000
Topic: Continuous process industries, DCS questions.
from the Forum department...
Comparing Delta V and Centum 3000 DCS
Posted by Paresh on 17 June, 2014 - 2:45 am
Comparison of Delta V and Centum 3000 for coke oven application.
Topic: Engineering and workplace issues.
from the Forum department...
Control Valve Positioner
Originally posted by Gagandeep Singh on 10 June, 2014 - 5:51 am
Inlet air pressure of smart positioner is varying
New Replies:
By Gagandeep Singh on 16 June, 2014 - 8:13 am -
Sir, Thanks for your reply...My issue is not this.. I think i am not able to explain the...
The Azbil SVP3000 'smart' positioner is a HART 4-20mA current pneumatic valve positioner. The...
By Gagandeep Singh on 12 June, 2014 - 10:43 am -
Sir, The regulator is giving a constant pressure. there is variation only in positioner inlet...
The inlet air is has a mechanical pressure regulator somewhere upstream. The changes in pressure...
Topic: Continuous process industries, DCS questions.
from the Maintenance department...
Endress+Hauser Level Transmitter Hunting
Originally posted by Talluri on 21 May, 2014 - 2:59 am
What is the possible cause for Level transmitter hunting?
New Replies:
Most all modern level instruments can be configured to indicate a high or a low level (or sometimes...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
Steam flow compensation
Originally posted by Rahul P Sharma on 15 September, 2004 - 6:50 pm
What is the exact formula for steam flow compensation?
New Replies:
What is Pd and Td? design process parameter for example air? or used in the calculation of the flow...
Originally posted by Ben Kinsella on 13 June, 2008 - 7:06 pm
Is it possible to plug and play?
New Replies:
Modbus does not support auto discovery...
Posted by Francesco on 10 June, 2014 - 12:03 pm
How to limit the output signal of an unstable control to avoid actuator saturation.
Topic: PLCs and related questions.
from the The Unknown Entity department...
One control variable for two loops
Originally posted by TheController on 15 May, 2014 - 5:21 pm
Can we have one control variable control two different loops?
New Replies:
By Heinrich Baumann on 9 June, 2014 - 3:52 pm -
I would suggest split range control. Output of the PID controller: 0 - 10 % Open valve from...
Topic: Continuous process industries, DCS questions.
from the Sensing department...
0-10v signals
Originally posted by Paul on 8 June, 2014 - 12:53 pm
Sending multiple 0-10v dc signals
New Replies:
Since most 0-10 V inputs are high impedance you should be able to parallel them. If you really want...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Lime slurry density meter
Posted by mechanation on 6 June, 2014 - 11:31 am
We are trying to measure density of our lime slurry which approx 22% solids
Topic: Continuous process industries, DCS questions.
from the Nuts department...
Cable tray separation
Originally posted by jasoin carroll on 4 June, 2014 - 1:11 pm
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
New Replies:
Jasoin... The ANSI/IEEE-Std supports your contention regarding Vertical Segregation of Data...
Jasoin... I suggest you procure: ANSI/IEEE Std 422-1986 "Guide for the Design and...
Topic: PLCs and related questions.
from the Getting Around Unknown Passwords department...
Old A-B SLC Controller
Posted by Paul D. on 4 June, 2014 - 10:28 am
Password protected program and no offline file.
Topic: Continuous process industries, DCS questions.
from the Engineering department...
Three way valve - on/off
Originally posted by Josh on 29 May, 2014 - 4:53 am
Three way valve - on/off control design
New Replies:
Dear Sir, Thank you for your advice. I have contacted valve manufacturer. As you explained...
Dear Ken, Thanks for your advice. Our application is two pipeline (2 inlet) which will be...
Josh, There are many types of three-way valves with double-acting actuators for many different...
I'm not exactly sure what you are trying to do, but let me guess what you want and give some...
Topic: Continuous process industries, DCS questions.
from the INSTRUMENTATION department...
Differential Pressure Transmitter Calibration
Originally posted by RAMESH on 31 May, 2014 - 5:43 am
Changing the range of Differential Pressure Transmitter Calibration.
New Replies:
Tables A-1 and A-2 on pages 118-119 of the 3051 manual shows the LRL and URL range 'limits' (not...
Topic: Information resources, documentation.
from the Old stuff department...
Toshiba Automation Co PRS equipment
Posted by me on 29 May, 2014 - 8:28 pm
Looking for any information on Toshiba PRS system
Originally posted by Ashiq on 29 May, 2014 - 5:38 am
re-configure Solatron 7951 flow computer.
New Replies:
corrected volumetric flow calculation from indicated volumetric flow in solatrom flow computer ...
Originally posted by Alphite on 28 May, 2014 - 4:25 pm
How to control flowrate and pressure with a positive displacement pump.
New Replies:
Unless my command of physics has abandoned me, the sprayball will act like an orifice, in other...
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