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Automation & Control

Discussion group for all topics related to automation, control, data acquisition, and remote monitoring. Includes technologies like PLCs, PACs, HMI software, control software, I/O systems, and networking.

Members: 159
Latest Activity: Jul 12

Discussion Forum

Does your company do electrical PMs? How often?

Started by Donald Fitchett. Last reply by Donald Fitchett Jan 13, 2011. 4 Replies

PLC to read data file from PC

Started by Michael Galenkamp. Last reply by Donald Fitchett Jan 12, 2011. 1 Reply

Opto 22 Blog

TEX CBO6/CBE6 supplied with 1 common wire

Been a big TEX fan lately with new work. i like them and think they neaten up my cabinets brilliantly. however it would be really cool to see the...

Inspecting Variables Window Location

In PAC Control Professional R9.3b, in debug mode, when you double-click on a variable to look/inspect it, the window locates itself in the upper-most...

Groov as an autodialer?

Has anyone devised a way to use a groov box as an autodialer substitute? We have an upcoming project to update an I/O panel; one of the jobs the...

DDE server to OptoOPC

Is it possible for the Opto OPC server to read a DDE server? Thanks in advance for your comments.

PAC Display: Combo Box?

I see how to add items and even dynamic values to the combo box control. However, I am not seeing how to set the box on load to one of those values?...

Scaling input using OptoMux and/or Mistic Protocol

Does OptoMux and Mistic Protocol allow scaling of Analog input?

Groovin on a Smart TV

Well wondering if anyone has utilize a Smart TV with Groov yet, and if there was any issues with the browser. Since our IT is corporate controlled, I...

SNAP-AIMA-4 showing ma reading instead of scaled reading

I have a SNAP-AIMA-4 in slot 10with a SNAP R2 controller that after about a week it stop displaying the scaled value and displays the ma reading of...

General Network Question - Routers

This is more of a general network question, but since it involves a couple of R2 controllers, I thought I'd post here to see if anyone else has done...

question: OPTO 22 - PB32HQ

Hi I need help how i can communicate OPTO 22 - PB32HQ with Allen Bradley SLC 5/4 OR Ethernet Protocol ??? Thanks

Can a controller act like a brain over Modbus tcp/ip

Can a controller act like a brain over Modbus tcp/ip? By which I mean, if I understand correctly, using Modbus and a brain, I can read inputs and set...

Temporary Global Variables

I've read how the SNAP controller (R2 in my case) parallels charts using 1 ms time slicing. It gives each chart 1 ms of processing time in turn...

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Comment by Maria Chipman on August 5, 2011 at 8:30am
Belden Inc is a manufacturer of universal joints and drive shaft assemblies. In general, does anyone come across these in their line of work?
Comment by Donald Fitchett on July 6, 2011 at 8:15pm
That Opto 22 Blog is great. Glad I found it.

Peer-to-Peer - how do YOU do it? post cool too. I wonder if termonolgy changed with the PAC, or remote I/O was just overlooked as a possible solution?

Comment by ahmad reza atef on June 28, 2011 at 1:51pm
i am Msc Mechatronic student with mechanical engineer background anyone could suggest me a MSC project .
Comment by Melinda Monaco on September 20, 2010 at 6:12am
PTC's Jim Heppelmann in the Boston Globe's Hot Seat >> http://linkgui.de/cc8DGp
Comment by Steven Fage on September 15, 2010 at 6:13am
Does anyone know of an automation/controls engineering position open in the Tampa Bay area? Please msg me. I have just relocated to the area to attend USF for graduate studies. Looking for full time work. Thank you.
www.linkedin.com/in/stevenhfage
Comment by Kevin D. Dawson on September 14, 2010 at 5:43am
I've been using different types of sensors and systems for system integration and safety systems such as prox sensors and light curtains, Sink/Source, Ladder Logic and Fuzzy Logic for almost 20 years. I feel that there is still a lot that I have missed in other applications by sticking with a known/familiar few. But, unfortunately, that is the human nature.
Comment by Donald Fitchett on March 3, 2010 at 2:02pm
Great, thanks again.
Comment by Jim Lutzo on March 3, 2010 at 11:14am
1756-ENBT should work just fine. I used the EN2T as an example but any of the EtherNet control modules will work.
Comment by Donald Fitchett on March 3, 2010 at 10:52am
Thanks Jim: I thought it was that simple, but wanted to do a little research via social network first. I did find when connecting just one laptop to ControlLogix, you can't have your computer set to auto default assign IP, you have to type in a manual IP address for your laptop. took me a while to figure out. So I was trying to see if there was any other little idiosyncrasies' I need to know beforehand. Also we have the 1756 - ENBT, that will work ok wont it?
Comment by Jim Lutzo on March 3, 2010 at 7:42am
Donald,

Any of the EtherNet versions of the ControlLogix communication modules should work for this application. The module (e.g. 1756-EN2T) would be installed in the same chassis as the controller, and connected with a standard ethernet cable to one of the router's ports. You would then connect from any laptop to the 1756-EN2T by whatever IP address you give it, over the chassis backplane to the slot where the controller resides.
 

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