Welcome to Control.com, the global online community of automation professionals.
Control.com - Nerds in Control
Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Neat Stuff
Visit our shop for nerds in control lifestyle products.
Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
"I belong to no organized party. I am a Democrat."
-- Will Rogers
-- Will Rogers
RSS Feed
Use this link to get an RSS feed of the Control.com article flow, for private, non-commercial use only:www.control.com/rss/
To get a personalized feed, become a member at no cost.
Posts from...
Friday, November 9, 2007
Magelis Error Message
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
#203 Dialogue Table Reading Impossible.
Is this a communication error?
This is my first Magelis XBT N401 project.
New Replies:
By Skinner on 9 November, 2007 - 11:02 pm -
By Skinner on 9 November, 2007 - 11:02 pm -
I solved the problem by creating a cable of my own, for the Magelis can also communicate in RS485....
By EricR_ICPDAS on 9 November, 2007 - 10:56 pm - An RS-485 to RS-232 adapter is available at http://www.icpdas-usa.com/products.php?PID=126 . It...
Pallets moving on a conveyor take too long to coast to a stop without any braking system. A very low cost braking method is needed.
New Replies:
By val_99 on 9 November, 2007 - 10:57 pm -
By val_99 on 9 November, 2007 - 10:57 pm -
Sounds like real dilemma. VFDs would do the job, but price is an issue.
If you may, try to...
PLC program is faulted and I cannot find the error.
New Replies:
By anon on 9 November, 2007 - 10:56 pm -
By anon on 9 November, 2007 - 10:56 pm -
It might be an ACN instruction. You should check the S:20 and S:21 registers to find the offending...
By Mike Lamond on 9 November, 2007 - 10:36 pm - Doesn't the Status data file, Errors tab show the fault rung & file (S:20 & S:21)? I think...
When polling sites, modbus message response is [15].
New Replies:
By Jason Phillips on 9 November, 2007 - 10:55 pm -
By Jason Phillips on 9 November, 2007 - 10:55 pm -
Sorry about that. Below is a portion of the poll and receive messages.
11/05 15:38:51 - GooseMb...
By lorne on 9 November, 2007 - 1:17 am - More information is required. If you could post your poll and receive messages (or portions...
Flame lake
What are the criteria for changing over fuel on line?
New Replies:
By CSA on 9 November, 2007 - 10:49 pm -
By CSA on 9 November, 2007 - 10:49 pm -
This seems like a prudent course of action.
After the flush is complete, it is important to...
By a_w_p_d on 9 November, 2007 - 1:49 am - After relaying all of the points and help that I have been give from Control.com, it has been...
Has anyone used the Eaton ELC PLC controller?
New Replies:
By ironbutt on 9 November, 2007 - 10:47 pm -
By ironbutt on 9 November, 2007 - 10:47 pm -
They are a private labeled control from Delta of Taiwan. Not used them, so no opinions.
Delta...
Yokogawa communication issues
New Replies:
By Zoran Cico on 9 November, 2007 - 10:37 pm -
By Zoran Cico on 9 November, 2007 - 10:37 pm -
Dear Amin,
Maybe you should give us some more details about which Modbus (RTU/ASCII/TCP) and...
Different types of steam power plant control
Can TCDA card cause a p125-n125 overvoltage alarm?
We are in the middle of design for one of the most complex fish hatcheries ever to be built in North America. Our engineering consultant is recommending standard PLC and SCADA alarm and control system but one of our staff is really pushing a WinPLC based system...
New Replies:
By William Sturm on 9 November, 2007 - 10:32 pm -
By William Sturm on 9 November, 2007 - 10:32 pm -
I think Bruce was referring to the fact that they use mHz on their spec page instead of MHz for the...
By Bruce Durdle on 9 November, 2007 - 10:16 pm - I was referring to the specifications on
http://www.hosteng.com/HW-Products/WinPLC/WinPLC.htm. ...
By Curt Wuollet on 9 November, 2007 - 1:46 am - For the record, the tiny C precursor to the MAT/plc I wrote was successfully applied in an actual...
By Michael Griffin on 9 November, 2007 - 12:33 am - In reply to Bruce Durdle: I believe you meant 40 to 100 millisecond scan. 40 to 100...
By Michael Griffin on 9 November, 2007 - 12:26 am - You have by this time heard a number of opinions on the WinPLC. To answer your questions more...
Is there an easy way to convert RSLogix 500 files to ABB Freelance files
New Replies:
By Michael Batchelor on 9 November, 2007 - 10:25 pm -
By Michael Batchelor on 9 November, 2007 - 10:25 pm -
Man-hours of labor is the only way to convert it. It's probably not as much "hard" as it...
I need 2 get a diagram of the interfacing of Lm35 to an adc0804. I also need to know if 10mv/degree is too small 2 be sensed by the adc. Can anyone help with reference material like e-books and websites to check?
Citect communicating with mySQL database
New Replies:
By Heine Broers on 9 November, 2007 - 10:19 pm -
By Heine Broers on 9 November, 2007 - 10:19 pm -
Do not use * for a lot of fields.
Citect can only return a limited quantity.
MySQL can also have...
Is it possible to pass a DataBlock as a parameter to a first function and then pass it from that first function to another?
New Replies:
By k.zonouzi ahmad on 9 November, 2007 - 10:16 pm -
By k.zonouzi ahmad on 9 November, 2007 - 10:16 pm -
Hi dear Chartier,
Declaring Block_DB as a parameter type is only permitted in VAR_INPUT part of...
By k.zonouzi ahmad on 9 November, 2007 - 12:31 am - Hello again,
I forgot to say that it is in Siemens S7.
Best regards,
k.zonouzi ahmad...
By dchartier on 9 November, 2007 - 12:21 am - Hello;
If this is for Siemens S7 CPUs (you don't mention the model of PLC), I would suggest that...
I am looking for a GSD file, CI541 to S7 315 F.
What is the effect of water injection in Gas Turbine on Efficiency
New Replies:
By CSA on 9 November, 2007 - 1:54 am -
By CSA on 9 November, 2007 - 1:54 am -
It takes less water (mass flow-rate) than steam for the same emissions reduction. This is because...
By Alex C on 9 November, 2007 - 12:16 am - I have another question relating to steam and water injection into the combustion chamber.
I...
Reg TCEA of MarkV Simplex Panel
New Replies:
By CSA on 9 November, 2007 - 1:49 am -
By CSA on 9 November, 2007 - 1:49 am -
If it's configured properly, no. The three TCEAs are independent of each other and it should take...
Monitoring distance between cars/vehicles
New Replies:
By Curt Wuollet on 9 November, 2007 - 1:38 am -
By Curt Wuollet on 9 November, 2007 - 1:38 am -
Yes, but you get much better turndown with the tape measure. Especially under 12 inches.
Of...
Conductor NT Ver 4.0 loading on the Windows 2000 Operating System Base Conductor Installation failed message
New Replies:
By Chris Jennings on 9 November, 2007 - 1:35 am -
By Chris Jennings on 9 November, 2007 - 1:35 am -
Conductor NT 4.0 can't be loaded on a Windows 2000 computer. You will need to upgrade to Conductor...
Diff. Pressure Transmitter high pressure connection in the wet leg
New Replies:
By Bryce Gillan on 9 November, 2007 - 1:33 am -
By Bryce Gillan on 9 November, 2007 - 1:33 am -
The DP cell is connected to the process with the (+) and (-) connected as they would on a system...
By Juan Pinzon on 9 November, 2007 - 12:39 am - Chronis,
Wet leg is used normally in level measure, because if the gas or steam (water, HC)...
Trying to develop graphics, and the embedded editor, Grafx, is not very helpful. Has anyone done any graphics work using this editor? Is there another way?
New Replies:
By Chris Jennings on 9 November, 2007 - 1:31 am -
By Chris Jennings on 9 November, 2007 - 1:31 am -
As far as I know the graphics language used is actually SL-GMS (http://www.sl.com/) by Sherrill...
Synchronizing products coming out from the molding machine on to the conveyer.
New Replies:
By Gilles Allard on 9 November, 2007 - 1:24 am -
By Gilles Allard on 9 November, 2007 - 1:24 am -
That function is available from many VFD suppliers. Yaskawa and Siemens come to my mind. The...
By Michael Griffin on 9 November, 2007 - 12:19 am - A vector drive with electronic gearing might be able to do this. I don't want to recommend a...
Motorola's New ACE 3640 H/W, STS S/W & MCP-T:
how reliable is Foxboro DCS
New Replies:
By Walt Boyes on 9 November, 2007 - 1:20 am -
By Walt Boyes on 9 November, 2007 - 1:20 am -
At the risk of seeming obvious, have you tried http://www.foxboro.com? Foxboro also has just oodles...
Regenerative Drive Test Bench Setup
New Replies:
By B on 9 November, 2007 - 1:20 am -
By B on 9 November, 2007 - 1:20 am -
Depending on the size of motors in the application you should use the Unidrive SP from...
By Brian Beal on 9 November, 2007 - 1:05 am - I think that you really want to control torque using the ABB drive instead of speed. That is the...
I am trying to set up a Read/Write communications from S7 PLC to a Quantum using the S7 Modbus TCP Driver from Siemens. I am having difficulty getting any communication between the two...
New Replies:
By Aikona on 9 November, 2007 - 1:15 am -
By Aikona on 9 November, 2007 - 1:15 am -
It took us 4 hours to setup comms between a S7 and a Premium PLC using the software from Siemens.
...
Has anyone had any experience with Gateways that Allow connectivity of S7/MPI Siemens PLCs and Modbus TCP/IP protocol?
New Replies:
By Anonymous on 9 November, 2007 - 1:14 am -
By Anonymous on 9 November, 2007 - 1:14 am -
We just complete a project reading from a Modbus to a S7 300 PLC via TCP/IP. On the PLC we...
I have a device with a standard LPT port (designed to be cabled directly to a printer to print status messages) and I want to connect it to a PC to capture the status messages for display.
New Replies:
By Tester on 9 November, 2007 - 1:09 am -
By Tester on 9 November, 2007 - 1:09 am -
You can download a Windows version for capturing from LPTCAP from...
How can I move valve info to HMI without using the feedback valve position signal/contacts?
New Replies:
By Hildemaro Carrasquel on 9 November, 2007 - 1:08 am -
By Hildemaro Carrasquel on 9 November, 2007 - 1:08 am -
Hello,
Use Modsim, do you know it?...
i can't run the DOS commands in VB programs. Please help me.
New Replies:
By Vitor on 9 November, 2007 - 1:06 am -
By Vitor on 9 November, 2007 - 1:06 am -
I was looking for a snippet code that could help me type DOS commands into VB, I wrote a...
RSView SE, number of client licenses
Java J2ee training in Kolkata and Bangalore with Live Project and Placement Opportunities...
New Replies:
By halumbo on 9 November, 2007 - 12:29 am -
By halumbo on 9 November, 2007 - 12:29 am -
Guys this domain is hosted in US, there are many forums in India also, try there....
Should two turbines with same CPD generate equal power output?
New Replies:
By Roman Cruz on 9 November, 2007 - 12:28 am -
By Roman Cruz on 9 November, 2007 - 12:28 am -
We have 3 Frame 6 GE Gas Turbines.
I had the same problem in the Unit 1.
TXset depends of PCD...
how to calculate the size of the medium voltage cable
New Replies:
By FN on 9 November, 2007 - 12:26 am -
By FN on 9 November, 2007 - 12:26 am -
Dear Phil,
thankx for your reply.
Actually I want to know what values we should consider for...
Can RJ45 be daisy chained in any way?
New Replies:
By Dean Norton on 9 November, 2007 - 12:12 am -
By Dean Norton on 9 November, 2007 - 12:12 am -
WAGO also has an extensive line of RJ-45 to terminal block interface modules. See the following...
Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2008 Control Technology Corporation. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!