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2
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Noise Triggering SCRs
Posted by Steve Tomporowski on 16 May, 2001 - 10:31 am
Motor Control Circuit does not pass noise tests.
6
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Square D SY/MAX 400 SFI-510 Resurrection
Posted by Michael Whiteley on 16 May, 2001 - 9:29 am
I have been charged to resurrect this beast. All I have is a very old DOS app. Can I get updated drivers for any other OS? Any other software assistance?
35
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Help?
Posted by Mike Whiteley on 16 May, 2001 - 9:15 am
I am in urgent need or raising a Square D PLC from the dead. ... may need to write drivers ... Can Linux be used?
3
replies
Using Siemens CP341 card with 3964R protocol
Posted by yiewming on 16 May, 2001 - 5:11 am
Writing program in Step 7 of Siemens S7 300 PLC to communicate with a 3rd party device which supports 3964R protocol.
2
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UV Sensor Working/ Testing
Posted by ABDUL WAHAB on 16 May, 2001 - 2:53 am
I want to know how the UV sensor works( working principle ) and how can we cold test it that whether it is o.k or not. Thanks
5
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TTL & Relay Outputs
Posted by Aniruddha Joshi on 16 May, 2001 - 2:03 am
Difference between TTL and Relay Outputs of DO Card.
4
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Modbus Plus with SLC, Prosoft, ABB
Posted by Alex Poulette on 15 May, 2001 - 7:36 pm
Has anybody ever tried to communicate via ModbusPlus with an SLC 5/05 and a 3350 MBP from Prosoft technology to an ABB drive with an NMBP-01???????
4
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Tag definition with drag&drop
Posted by Jim Cai on 15 May, 2001 - 3:04 pm
I was told that there is software tool which may work with some HMI packages to help you create tags efficiently. For example, you can just drag a PUMP and drop into your definition and the tool will create all the tags and alarms associated with the pump for you . Does anyone know who may have the tool ?
5
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Exploded ASCII Coding
Posted by Jim Cai on 15 May, 2001 - 2:58 pm
What is the Exploded ASCII Coding
1
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Symbolic Integrated Maintenance Manuals(SIMMS)
Posted by William Gornto on 15 May, 2001 - 2:38 pm
I am trying to find information on an old System of maintenance manuals called SYMBOLIC INTEGRATED MAINTENANCE MANUALS. ...
Productivity etc: (Was Trade show dull-drums)
Posted by Bruce Durdle on 15 May, 2001 - 2:22 pm
I agree wholeheartedly that your comments reflect the way things OUGHT to be done. But in reality? ...
JimPinto.com eNews 14 May 2001
Posted by Jim Pinto on 15 May, 2001 - 1:49 pm
The latest JimPinto.com eNews, No. 43 - May 14, 2001 is on the web at : http://www.jimpinto.com/enews/may14-2001.html
3
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Ladder Logic Reference
Posted by Kipton Moravec on 15 May, 2001 - 10:34 am
I am looking at developing a ladder logic interpreter/compiler.
2
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Omron Lonworks Gateway
Posted by Robert Westlake on 15 May, 2001 - 6:58 am
Seeking Omron LONWORKS application examples
4
replies
Compressed Air
Posted by JW on 15 May, 2001 - 4:53 am
Calculation for compressed air.
6
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Can't find Texas Instrument 315
Posted by amora fibrianto on 15 May, 2001 - 12:40 am
TI315, who sells it right now ??
6
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SCR Drive Thermal Compound
Posted by Ted Isto on 14 May, 2001 - 5:07 pm
Looking for a thermal joint compound for SCR Drives.
2
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Panel Mtd Guage & Regulator Combo
Posted by Saun198 on 14 May, 2001 - 4:32 pm
Does anyone know of a source for a panel mounted gauge & regulator combination? I have only one hole available in my control box. I understand a company may make this combination.
11
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Time synchronisation
Posted by Raoul Huisman on 14 May, 2001 - 4:27 pm
What is the best way to synchronize the time on four individual NT systems?
1
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Using the PuffinPLC
Posted by Mario de Sousa on 14 May, 2001 - 12:46 pm
"Ken Emmons, Jr.." wrote: > Hello Mario, Curt, Jiri, and company ... > I am interested in experimenting with the source code (finally). I will be writing my logic module in C and calling the Puffin API in order to access points, etc. ...< May I sugest you get it directly from cvs using the public login/passwd pair? ...
18
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Running a PC without a monitor
Posted by Dave Ellis on 14 May, 2001 - 10:10 am
Can I run a PC (running Windows) without a monitor?
1
reply
WRB Associates
Posted by Manning, Gary (G.) on 14 May, 2001 - 9:42 am
How do I get hold of WRB Associates? ...
Modbus modules brocken
Posted by Mario de Sousa on 14 May, 2001 - 6:23 am
I'm sorry, but I have left the modbus modules broken. They used an old version of the io library that only contained a single function. ...
1
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New io library
Posted by Mario de Sousa on 14 May, 2001 - 6:18 am
I have just commited the generic io library to the cvs.
2
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Micrologix 1500 and Panel View 600
Posted by Walter Villafuerte on 12 May, 2001 - 8:56 pm
I have a dh 485 network that includes 1 micrologix processor, 1 Panel view and 2 AIC's...
3
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Cimplicity v3.22 getting data
Posted by Walter Villafuerte on 12 May, 2001 - 8:44 pm
I've been trying to get data in BCD from a PLC 5/40 (AB) but in cimplicity i just can read it and not to write it.
compatibility 1756-l1m1 rev 5.13 and 1756-cnbr/d rev 5.21
Posted by Jose Fernando Rodriguez on 12 May, 2001 - 4:18 pm
I need to know if is there problem compatibility controllogix controller 1756-l1m1 rev 5.13 and 1756-cnbr/d rev 5.21.
4
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MODBUS Communication Problems
Posted by srinivas duddu on 12 May, 2001 - 7:41 am
Modbus communication to a Slave device does not work !!
3
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Programming Fanuc Power Mate H
Posted by Akif Aslan on 11 May, 2001 - 3:16 pm
Does anyone know if there is a way to program Fanuc Power Mate H Servocontroller with a method other than the handheld programmer?
3
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Some on-line books
Posted by Hugh Jack on 11 May, 2001 - 1:16 pm
I have been a bit busy lately getting course materials ready for my PLC and integrated manufacturing courses this summer. I have put them up on-line, for anybody interested. ...
5
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Excel Question From Excel Dummy
Posted by Kevin on 11 May, 2001 - 8:56 am
Excel DDE connection...
2
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Condy Level Measurement
Posted by William on 11 May, 2001 - 4:34 am
Require to implement Condy Level measurement on steam heater. There are NO available nozzles on the heater shell. Is it possible to install NEW TAPPINGS on both the steam supply pipe and the condy outlet pipe? Sketch is included.
3
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Plc Programming - Runtime logging logic - DL-250
Posted by Charles Nelson on 10 May, 2001 - 10:42 pm
Anyone have any logic that can be used to log events, I am trying to log machine runtime. I would like to log the starting and stopping of a machine and mark the time that it occured.
1
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Device driver using Linux
Posted by Srini on 10 May, 2001 - 10:38 pm
Book for Linux device driver
1
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Web Camera Frame info
Posted by Srini on 10 May, 2001 - 10:35 pm
Location of data obtained from a web camera
X Servers in Action
Posted by Paul Jager on 10 May, 2001 - 5:52 pm
Here are some pix I took yesterday: http://www.linuxplc.org/atachmts/aXdoc1.html A sneak preview of what a LinuxPLC system could look like in a few years (or decades).
1
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X Servers in Action #2
Posted by Paul Jager on 10 May, 2001 - 3:58 pm
Here are some pix I took yesterday (post #2 ,<40KB): http://www.linuxplc.org/atachmts/aXdoc2.html A sneak preview of what a LinuxPLC system could look like in a few years (or decades).
3
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Trade Show dull-drums
Posted by Jeffery D. Brandt on 10 May, 2001 - 3:19 pm
Just returned from Bulk/Power 2001, and, from a controls standpoint: boring, dull, last-century...
10
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DDE and excel
Posted by jake on 10 May, 2001 - 2:14 pm
I want excel to log some a few registers from a PLC with DDE
15
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Intech interviews Curt W. about Linux PLC
Posted by Perry Sink on 10 May, 2001 - 1:49 pm
Hey everyone, A few months ago I interviewed Curt Wuollet for Intech Magazine, and this has just been published.
4
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Cooling Towers ozonater, ionizer, magnets
Posted by Jim Collier on 10 May, 2001 - 1:35 pm
advantages/disadvantages of different water treatments
TI 500-5023 High Speed Pulse Input Module
Posted by Stephen Syputa on 10 May, 2001 - 1:02 pm
Need input characteristics of this module so that a proximity sensor can be installed.
5
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PLC and DCS basic literature, ladder logic
Posted by german bravo on 10 May, 2001 - 12:46 pm
I would like to download the Modicon PLC Trial Version or any other to learn basic PLC logic ladder...
1
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PCIMCIA analogue DAQ card and Matlab
Posted by Dobrowolski, Jacek on 10 May, 2001 - 10:08 am
Has anyone heard about any analogue DAQ PCIMCIA card working with Mathworks Matlab 6 environment?
6
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Programming language (was: On Replacing PLC's)
Posted by Jiri Baum on 10 May, 2001 - 9:44 am
Bob Page: > > If there is a hole in the offerings of your company and such companies > > as automationX, why not identify the specific hole(s) and promote > > development to fill those holes? ..... The architecture supports this, no problem. ...
1
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Pipe sizing
Posted by Jeff on 10 May, 2001 - 8:17 am
Size the appropiate pipe.
7
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Connectivity of Honeywell DCS
Posted by Sachin on 10 May, 2001 - 1:04 am
Connectivity of Honeywell DCS (TDC3000 & GUS) to outside IT world.
10
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article in Industrial Computing
Posted by Greg Goodman on 9 May, 2001 - 6:47 pm
There is an article in this month's Industrial Computing magazine about Open Source in control and automation.
1
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modbus+ constant current source
Posted by Sébastien Léveillé on 9 May, 2001 - 6:30 pm
Does anybody know if there is a manufacturer of an industrial constant current source (0-15A) which can communicate modbus+?
7
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Alternative Programming Software for A-B Micrologix PLC
Posted by Mark Chaplin on 9 May, 2001 - 6:07 pm
Low cost alternative to RS Logix 500 and/or AI 500
5
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Secondary side of transformer
Posted by KG on 9 May, 2001 - 5:56 pm
XFMR multitap sec. grounding and fusing
2
replies
PCMK, Series A to B
Posted by Daniel C. Rozok on 9 May, 2001 - 4:34 pm
Does anyone know if the PCMK, Series A upgrade program to a PCMK, Series B is still active? If so, what is it's official name and part number?
2
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Foundation Fieldbus and Discrete I/O
Posted by paradigmrw on 9 May, 2001 - 2:44 pm
Are there any modules that accept discrete I/O for use with Foundation Fieldbus?
3
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induction motor connections
Posted by prakash on 9 May, 2001 - 12:26 pm
Is there a method to find the connection of a three phase load ,with only 3 terminals available externally, other three terminals are permanently made star of delta during manufacture itself and when physical verification of such a connection is not possible.
6
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LinuxPLC programs also Open Source?
Posted by Juan Carlos Orozco on 9 May, 2001 - 11:33 am
I was thinking about LPLC and began to wonder if the programs that will run on LPLC will have to be open source.
3
replies
SLC IO Rack Disable
Posted by Niall Watson on 9 May, 2001 - 10:55 am
Is there any way to prevent an SLC from generating a major fault, when the physical rack configuration does not match the software specified configuration?
4
replies
protocol for PLC simatic S5.
Posted by Ing. Cuitlahuac Picasso B. on 9 May, 2001 - 9:55 am
I don't know if the PLC series S5 from the Simatic is a good PLC specific TI/565. I wonder, because I need to restore some of them. What protocol the manufacturer install on it?
3
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Wonderware to iFix
Posted by Gustavo d c on 9 May, 2001 - 9:48 am
Does somebody know about a soft or a method for exporting an application made in Wonderware to iFix Dynamics?.
6
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IO module library
Posted by Mario de Sousa on 9 May, 2001 - 9:30 am
Hi all, I have just completed a first working version of the library for IO modules I mentioned a few days ago.
Mitsubishi K7PU hand held terminal
Posted by David E. Hernandez on 8 May, 2001 - 11:10 pm
Can any one told me how to enter the instructions "SYO" and "DAI" with a K7PU from Mitsubishi.
15
replies
programming cable for slc501-503
Posted by M griffin on 8 May, 2001 - 10:12 pm
Laptop to slc 501 communication without a serial port on the laptop.
1
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Honeywell C-Bus
Posted by Richard Theron on 8 May, 2001 - 4:06 pm
I need to get hold of the Honeywell C-bus specification.
5
replies
Making a vb 6.0 exe an NT service
Posted by Amit Kumar on 8 May, 2001 - 1:42 pm
I have an vb exe which runs continously on a server....but i have to start it everytime I reboot the server manually...i want the exe to start itself ....is making this exe an NT service a solution, if yes how can we make an exe an nt service in VB 6.0
11
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Totalize an analog input
Posted by Bill Adams on 8 May, 2001 - 12:42 pm
How do I totalize an analog input on a SLC 500?
2
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OPC for Yaskawa PLC
Posted by Yeow Mun Chong on 8 May, 2001 - 11:02 am
Anyone knows of the availability of OPC Server for communicating with Yaskawa PLC?
3
replies
Fast analogue Profibus DP module
Posted by Michael Griffin on 8 May, 2001 - 10:56 am
Can anyone recommend a Profibus DP slave I/O module with fast analogue I/O?
1
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plc_pt_details() function in lib/gmm/gmm.h
Posted by Jiri Baum on 8 May, 2001 - 9:04 am
in response to lib/TODO item 40, I've written a new function for the gmm that returns various sundry details about a point.
8
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relay peak current
Posted by Johan Vereecken on 8 May, 2001 - 8:23 am
We suspect a 230V 10A relay (which controls a heating element) is causing peak currents to transmitters. Everything that has to be grounded has been grounded. What is the best method to avoid those peak currents? ...
3
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Interfacing to the PC's serial Port
Posted by Olugbenga on 8 May, 2001 - 6:22 am
I'm using fuzzy logic to control a temperature process and the received or sending data is to be passed through the serial port of a PC.
1
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controllogix plc's programming guides
Posted by jason s on 8 May, 2001 - 1:30 am
i am programming a controllogix plc and was chasing some information regarding guidelines and tips
2
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NT 4.0 KTX RIO Driver
Posted by Roger Garvin on 7 May, 2001 - 6:24 pm
Need to find a driver for the A-B 1784-PKTXD card for Windows NT 4.0.
3
replies
4-20 ma to RS232 Converter
Posted by Guzy Good on 7 May, 2001 - 3:43 pm
For stand alone application with 4-20mA transducer we need chipper converter to RS232...
6
replies
AB micro logic 1000 Vs 1500
Posted by paul yeo on 7 May, 2001 - 3:07 pm
Can some one tell me does the AB micro logix 1000 and 1500 having the same driver ?
11
replies
Industrial Ethernet connector woes
Posted by Rob Hulsebos on 7 May, 2001 - 3:04 pm
Contradiction about RJ45 connector for use in industrial Ethernet apps
JimPinto.com eNews - May 6, 2001
Posted by Jim Pinto on 7 May, 2001 - 1:15 pm
The latest JimPinto.com eNews (May 6, 2001) is on the web at : http://www.jimpinto.com/enews/may6-2001.html
Advant User Group
Posted by Mark Silva on 7 May, 2001 - 12:41 pm
There is a new web site for the Advant User Group at:
1
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MODBUS Communication with VB
Posted by srinivas duddu on 7 May, 2001 - 12:18 pm
My VBCode doesnt work! I need to communicate to a Gas Analyser which supports MODBUS RTU...
4
replies
ObjectModel for S7 software
Posted by Crucius, Wesley on 7 May, 2001 - 12:12 pm
Can anyone send me, or tell me where to find, documentation on the Object Model / Automation Interface for the Siemens S7 PLC programming software?
2
replies
Westinghouse Numa Logic PC-100
Posted by Kurt on 7 May, 2001 - 12:02 pm
I have a Westinghouse PLC PC-100 that has died. Does anyone know where I can get service or even upload the program to upgrade the unit?
SoftLogix and RSView
Posted by Ranjan Acharya on 7 May, 2001 - 11:59 am
Has anyone had any problems with RSView / SoftLogix / RSLinx block transfers providing spurious / incorrect data?
2
replies
Simatic Ti & 32 bit words
Posted by kevin on 7 May, 2001 - 11:59 am
Anyone set up a 32 bit signed word which can be incremented by a variable who's value can change?
7
replies
Linking different PLC brands
Posted by Smith on 7 May, 2001 - 11:46 am
> it is relatively easy to make a AB to Omron gateway.< I'm just starting out and I was wondering if you could point me in the direction (websites, personnal knowledge, word combinations to search under...) for any info (the more detailed and varied the better) regarding how to get different brands of PLCs to talk. ...
Fitness Circuit lights
Posted by Bruno Tanzi on 7 May, 2001 - 11:06 am
I would greatly appreciate if someone who could direct me to some sources of this kind of light. This type of light is commonly found in fitness clubs they are usually 3 lights with timer that changes to red oramge & green or 5 lights that change from green to red .
How To Select A Position Transducer
Posted by Tom Anderson on 7 May, 2001 - 10:48 am
Article describing a method to pick the best position transducer for your application.
1
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Telematics through WWW
Posted by emmanps on 7 May, 2001 - 10:31 am
I would like to know if there is any concern for telemesure & telecontrol plant units (Engines, generators, SCADA systems, PID controllers etc) by firms' HQ, with the use of WWW , instead of sending specialists on the spot for software updates or any service that could be done from long distance. ...
4
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low cost I/O cards for modicon
Posted by Suraj Mutha on 7 May, 2001 - 9:58 am
I am looking for low cost I/O card which can work with the modicon PLCs. Typically my cost for the I/O card is about 70% of the PLC cost. I want to reduce this cost. ...
4
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Ask for help in ladder programming
Posted by Jianguo Zhuang on 7 May, 2001 - 9:24 am
I am a novice to ladder programming...
Upgrading Automatrix control program
Posted by Parrilla on 7 May, 2001 - 9:09 am
We have an automatrix control program that is installed in a windows 3.11 workgroup for windows i believe an i have the doubt that we can upgrade the windows program for itself can actualize the controls when the plc branch goes down. ...
6
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Linear potentiometer for a racing car gearbox
Posted by David Halpin on 7 May, 2001 - 6:32 am
I need to be able to identify 7 gear positions in a gearbox by feeding the potentiometer output through a micro. However, the identifying increments will have to fit inside 10mm of plunger travel. Do any devices spring to mind...?
19
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More b-d patents
Posted by Harald Albrecht on 7 May, 2001 - 5:19 am
Hey, here are more patent favorites...
1
reply
Schneider Patent on Device for...
Posted by Harald Albrecht on 7 May, 2001 - 5:06 am
I've just come across a short notice in some automation journal mentioning the following patent issue:
1
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FAQ's , Troubleshooting , Diagnostics, Training for Siemens PLCs
Posted by Megatech on 7 May, 2001 - 2:54 am
We would like to know websites where questions are answered , online diagnostics are carried out , Realtime troubleshooting charts are provided regarding SIEMENS range of PLCs.
1
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Analyser for VCM in water
Posted by Dr. M. A. Ali on 5 May, 2001 - 4:28 pm
We are looking an application to measuse VCM in PPM/PPB level in water i.e. hot water (50 to 70C) passing through the PVC pipes...
2
replies
Simatic Ti & 32 bit words
Posted by kevin on 5 May, 2001 - 5:18 am
Anyone set up a 32 bit signed word which can be incremented by a variable who's value can change?
2
replies
Data Acquisition
Posted by Kevin on 4 May, 2001 - 1:41 pm
From Thermocouples To Trends...
4
replies
Heat cutting wire power source
Posted by Pierre Desrochers on 4 May, 2001 - 12:53 pm
We have an application where we are cutting some plastic sheet (0.0025") wire a heated wire. We have the intention to supply our clients with systems having a 440 Vac supply (we are using 203/120 4 wires systems). The problem we have it's that we will need to add a 1500 VA x-former to our PLC panel in order to supply 120 Vac to our cutting wire DC card. ...
2
replies
PLC based control logic simulation
Posted by abhijeet sinha on 4 May, 2001 - 11:53 am
I have a project of preparing a software in VB for simulating a PLC based control logic, and need sources of help/info...
4
replies
DC to DC conversion
Posted by Steven Shepard on 4 May, 2001 - 11:34 am
Can anyone suggest a product or method of converting 24 VDC (50 Amps) to 12VDC?
3
replies
ELJ Article
Posted by Curt Wuollet on 4 May, 2001 - 11:30 am
Congratulations, Mario and Jiri I have on my desk a copy of the May/June issue of Embedded Linux Journal with an article about the project.
2
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Calculation Software
Posted by Jeff on 4 May, 2001 - 10:49 am
Engineering software with simply interface.