from the Forum department...Instrument Tech Training Topics
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.
from the Trippy Department department...CMS (GE) Anti-Surge Controller
Anti-Surge Controller acting weirdly.
It opens the valve up to 3% and then as we close the rack room, increase its cooling the controller...
By NF on 28 May, 2014 - 11:23 am -
Dear Tajammal, CMS has a tendency to induce error in cards when heated. How much is the error?...
from the Automation department...Connection for Twido RS485 with XBT OT DB9
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
from the The Unknown Entity department...One control variable for two loops
Can we have one control variable control two different loops?
By Hans H. Eder on 22 May, 2014 - 3:34 am -
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...
By otised on 16 May, 2014 - 8:04 pm -
If you want to do the job right, add a differential pressure transmitter across the control valve...
By Rob on 16 May, 2014 - 4:37 pm -
The basic rule is ... One measurement = one PID loop But of course you have two actuators - each...
By Bob Peterson on 16 May, 2014 - 9:20 am -
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...
from the puzzled new user department...ROCLINK800 Floboss 107 MODBUS Slave configuration
I am trying to configure the Floboss 107 as a MODBUS Slave with specified register I/O parameters as specific MODBUS addresses.
By Harvard on 21 May, 2014 - 4:35 pm -
The parameters you are requesting are IEEE Single Precision Floats which come out in one of four...
By kardel on 16 May, 2014 - 3:26 am -
I got the same problem with flobos 103 and micrologix 1400. I have been able to read the modbus...
from the serious department...Siemens s7 backup
what is the process to take an online backup of steam controller (S7-400 cpu417H).
By Numsi on 19 May, 2014 - 5:01 pm -
If you are happy with a binary backup, use Buddy for S7 from here: ...
By Reeny on 18 May, 2014 - 5:44 am -
thanks a lot Ikhtiander for this information .. I tried this several times (with MPI cable), but...
By Ikhtiander on 17 May, 2014 - 9:34 pm -
Hi Reeny, I though you was asking about upload logic program from running Siemens S7 PLC. please...
from the Oil and Gas department...RTD failure
Unit trips at RTD failure when spikes occur
Re RTD failure: I had experience the same issue but the only difference is that we made changes...
from the XML Comms department...Web XML into DCS/PLC
Require a solution for communicating XML data from the web into a DCS / PLC system.
By Rob on 17 May, 2014 - 6:58 am -
What sort of DCS do you have? Are the operator stations Windows based? if so, just open a web page...
from the Forum department...Modbus TCP to PLC using vb.net
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.
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...
from the OPC Performance department...OPC Server Performance optimization
How can I optimize OPC server Performance?
I've had very similar problem once with AVReporter when I did a project for a large...
from the Critical classification department...PLC in Class 1 Div 2, cooling options
are cooling options available for panels in Class 1 Div 2 areas?
By Steve C on 15 May, 2014 - 1:02 pm -
Hello, these are even better enclosure coolers: Check out these guys...
from the What we have is Failure to Communicate! department...Network Issues
My network settings are correct but I am not able to connect to the IP address 10.1.1.250
from the Forum department...2oo3D voting
Explain if 1oo2D voting is just similar to 2oo3 voting for ESD system.
Continuing on with the subject, i am a little confused. I have a process plant with reactor...
from the ELECTRONICS department...Connecting a weight display using S7-200 MODBUS Master
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
from the Any advice department...Option to run AC lube oil in manual YES OR NO
Should we have the option to run in local?
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...
from the Forum department...Multiple Controllers on one RTD
How can I use the same RTD for more than one controller?
By Roy Matson on 9 May, 2014 - 3:50 am -
Yet another way Convert the temperature to mA (4-20) then send it to one receiver. If that...
By W.L. Mostia on 7 May, 2014 - 2:51 pm -
If you connect three controller to the same RTD, which is technically possible as other posters...
By Steve Myres on 7 May, 2014 - 9:49 am -
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...
from the Vibration Monitoring department...Emerson CSI 6500 to ControlLogix PLC
Emerson CSI 6500 Vibration Monitor needs to talk Modbus TCP to ControlLogix PLC
By Bob Peterson on 8 May, 2014 - 5:23 pm -
Is it possible the data is coming in with byte order swapped? Or the data is in floating point...
from the High department...Honeywell connection an output Scada point to a PID Block?
how connect an output Scada point to OP PID Block in control module?
from the Automation List department...Ground to Neutral Voltage-Limit
DCS floating voltage failure damaging workstation motherboard
Try to short your Neutral to Ground. In the UPS distribution panel, short Neutral line to ground...
from the safety department...Guardlogix Controller
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?
Hi Ikhtiander , Thanks.. Regards Tharun ...
By Ikhtiander on 2 May, 2014 - 2:37 pm -
Hi Tharun, Guardlogix and AADvance is different in their application, guardlogix mainly applied...
from the Urgent department...Time and Date in Honeywell control builder
How could use time and date in control module?
> 10.1.0.131 is one of your experion server's IP address? Because I think NTP > from the...
from the Communication department...how to detect over pressure
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
By tapas on 3 May, 2014 - 4:51 am -
Thank you for your reply....
By Jim Delaney on 2 May, 2014 - 4:15 pm -
Google "industrial pressure switch". You'll need a switch assembly (sensor and...
from the Forum department...Zebra printer communicate with Delta PLC
Communicating between a zebra printer with a Delta PLC for Labeling Application.
from the Forum department...how to send floating point numbers using the ModbusRTU protocol?
how to send floating point numbers using the ModbusRTU protocol?
By Harvard on 1 May, 2014 - 5:37 pm -
"Could you reference links of a simple program/application that works with the ModbusRTU...
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