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Control.com topic...
PLCs
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Instrument Tech Training Topics
Posted by GBrown on 29 May, 2014 - 4:50 pm
My boss has asked me to create a training program from the instrument techs that is one 3 hour course a month for 2 years.
Topic: Engineering and workplace issues.
from the Trippy Department department...
CMS (GE) Anti-Surge Controller
Originally posted by Moaz Tajammal on 27 May, 2014 - 9:15 am
Anti-Surge Controller acting weirdly.
New Replies:
It opens the valve up to 3% and then as we close the rack room, increase its cooling the controller...
Dear Tajammal, CMS has a tendency to induce error in cards when heated. How much is the error?...
Topic: PLCs and related questions.
from the Automation department...
Connection for Twido RS485 with XBT OT DB9
Posted by Genjua on 25 May, 2014 - 4:44 am
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
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:
A key principle of control is: 1 controlled variable (CV) – 1 manipulated variable (MV). Thus:...
Power in a pressure system = volumetric flow x pressure drop. If the system has a high flow, then...
If you want to do the job right, add a differential pressure transmitter across the control valve...
The basic rule is ... One measurement = one PID loop But of course you have two actuators - each...
Well, you need to pick what you want to control. the reality is that the VFD is really controlling...
One approach which I have seen used with boiler feedwater pumping systems is to use the valve to...
Topic: Software, including programming, OS issues, etc.
from the puzzled new user department...
ROCLINK800 Floboss 107 MODBUS Slave configuration
Originally posted by username on 8 February, 2013 - 10:22 am
I am trying to configure the Floboss 107 as a MODBUS Slave with specified register I/O parameters as specific MODBUS addresses.
New Replies:
The parameters you are requesting are IEEE Single Precision Floats which come out in one of four...
I got the same problem with flobos 103 and micrologix 1400. I have been able to read the modbus...
Topic: PLCs and related questions.
from the serious department...
Siemens s7 backup
Originally posted by Reeny on 17 May, 2014 - 5:00 pm
what is the process to take an online backup of steam controller (S7-400 cpu417H).
New Replies:
If you are happy with a binary backup, use Buddy for S7 from here: ...
thanks a lot Ikhtiander for this information .. I tried this several times (with MPI cable), but...
Hi Reeny, I though you was asking about upload logic program from running Siemens S7 PLC. please...
Topic: Power generation equipment control.
from the Oil and Gas department...
RTD failure
Originally posted by JAVAID on 15 September, 2010 - 12:40 pm
Unit trips at RTD failure when spikes occur
New Replies:
Re RTD failure: I had experience the same issue but the only difference is that we made changes...
Topic: Communications systems and equipment.
from the XML Comms department...
Web XML into DCS/PLC
Originally posted by J.Atkinson on 16 May, 2014 - 9:09 am
Require a solution for communicating XML data from the web into a DCS / PLC system.
New Replies:
What sort of DCS do you have? Are the operator stations Windows based? if so, just open a web page...
Topic: PLCs and related questions.
from the Forum department...
Modbus TCP to PLC using vb.net
Originally posted by Steve Sodzi on 7 May, 2010 - 10:30 am
visual basic code to write to a Schneider Premium PLC via TCP. The only problem is that i cannot read the response back from the PLC.
New Replies:
By martijn pijpers on 16 May, 2014 - 7:06 pm -
> My dll can do all of this and it's free. It's called Shortbus. Look up "shortbus modbus...
Topic: Communications systems and equipment.
from the OPC Performance department...
OPC Server Performance optimization
Originally posted by HBAttila on 6 May, 2014 - 1:26 pm
How can I optimize OPC server Performance?
New Replies:
I've had very similar problem once with AVReporter when I did a project for a large...
Topic: Engineering and workplace issues.
from the Critical classification department...
PLC in Class 1 Div 2, cooling options
Originally posted by I&CAdvisor on 1 August, 2013 - 4:44 pm
are cooling options available for panels in Class 1 Div 2 areas?
New Replies:
Hello, these are even better enclosure coolers: Check out these guys...
Topic: PLCs and related questions.
from the What we have is Failure to Communicate! department...
Network Issues
Posted by JoseyWales on 13 May, 2014 - 4:54 pm
My network settings are correct but I am not able to connect to the IP address 10.1.1.250
Topic: Continuous process industries, DCS questions.
from the Forum department...
2oo3D voting
Originally posted by amanemisa on 8 April, 2014 - 3:54 am
Explain if 1oo2D voting is just similar to 2oo3 voting for ESD system.
New Replies:
Continuing on with the subject, i am a little confused. I have a process plant with reactor...
Posted by ESRAA on 11 May, 2014 - 2:12 am
how to connect two weighing display to port 0 of CPU 226 via modbus master library and read the indicated weight of the display in software v4.0 microwin step7 SP5
Topic: Power generation equipment control.
from the Any advice department...
Option to run AC lube oil in manual YES OR NO
Originally posted by Craig on 9 May, 2014 - 1:30 am
Should we have the option to run in local?
New Replies:
Craig, Every site is not the same. It all depends on what was bought, what was sold, and what...
By Dave Amundson on 9 May, 2014 - 9:42 am -
I can't comment on your switchgear options to run the AC lube oil pump, but bearing lube oil feed...
Topic: PLCs and related questions.
from the Forum department...
DOX5 communication error
Posted by karikob on 9 May, 2014 - 12:05 pm
DOX5 communication error
Topic: PLCs and related questions.
from the Forum department...
Multiple Controllers on one RTD
Originally posted by FredS on 7 May, 2014 - 8:19 am
How can I use the same RTD for more than one controller?
New Replies:
Yet another way Convert the temperature to mA (4-20) then send it to one receiver. If that...
If you connect three controller to the same RTD, which is technically possible as other posters...
Yes, that should work, assuming the total loop resistance is within the transmitter's limit and the...
See the blog on this topic at the link below: http://tinyurl.com/mtaqm6f > Can I connect a...
Topic: PLCs and related questions.
from the Vibration Monitoring department...
Emerson CSI 6500 to ControlLogix PLC
Originally posted by ABeng80 on 8 May, 2014 - 3:29 pm
Emerson CSI 6500 Vibration Monitor needs to talk Modbus TCP to ControlLogix PLC
New Replies:
Is it possible the data is coming in with byte order swapped? Or the data is in floating point...
Posted by Mostafa Qasemi on 6 May, 2014 - 2:57 pm
how connect an output Scada point to OP PID Block in control module?
Topic: Engineering and workplace issues.
from the Automation List department...
Ground to Neutral Voltage-Limit
Originally posted by ASHUTOSH KUMAR on 6 May, 2014 - 2:28 am
DCS floating voltage failure damaging workstation motherboard
New Replies:
Try to short your Neutral to Ground. In the UPS distribution panel, short Neutral line to ground...
Topic: PLCs and related questions.
from the safety department...
Guardlogix Controller
Originally posted by tharun on 2 May, 2014 - 4:47 am
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?

New Replies:
Hi Ikhtiander , Thanks.. Regards Tharun ...
Hi Tharun, Guardlogix and AADvance is different in their application, guardlogix mainly applied...
Topic: PLCs and related questions.
from the Urgent department...
Time and Date in Honeywell control builder
Originally posted by Mostafa on 8 April, 2014 - 2:48 pm
How could use time and date in control module?
New Replies:
> 10.1.0.131 is one of your experion server's IP address? Because I think NTP > from the...
Topic: Sensor technologies.
from the Communication department...
how to detect over pressure
Originally posted by tapas on 1 May, 2014 - 5:27 am
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
New Replies:
Thank you for your reply....
Google "industrial pressure switch". You'll need a switch assembly (sensor and...
Topic: Communications systems and equipment.
from the Forum department...
Zebra printer communicate with Delta PLC
Posted by yogeshwar on 3 May, 2014 - 3:01 am
Communicating between a zebra printer with a Delta PLC for Labeling Application.
Originally posted by MrChampion on 30 April, 2014 - 7:14 pm
how to send floating point numbers using the ModbusRTU protocol?
New Replies:
"Could you reference links of a simple program/application that works with the ModbusRTU...
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