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plc_seti() and plc_geti()
Posted by Mario de Sousa on 8 June, 2001 - 4:52 am
I have added the above mentioned functions to the plc interface. They set/return an inverted value of the plc point. ...
3
replies
Crystal Reports in Cimplicity HMI
Posted by Eric J. Feight on 7 June, 2001 - 10:14 pm
The Crystal Reports OCX object works with Cimplicity HMI, but I can't seem to get the ActiveX object to work.
1
reply
Where can I find the non-existent OPC-XML spec?
Posted by Timothy A. Anderson on 7 June, 2001 - 8:04 pm
Where is the OPC-XML spec?
3
replies
newbie: gcc and ppc
Posted by FAULKNER,JOHN B. on 7 June, 2001 - 5:06 pm
just jumping in head first here. i just stumbled upon puffinplc this week. i been putting it thru the paces on various hardware to get a feel for what works best.
2
replies
Time-tagged data via OPC ?
Posted by D. Zink on 7 June, 2001 - 3:02 pm
Is it possible to receive time tagged data and transfer the datum with time tag via OPC ?
4
replies
Looking for WinCE Touchpanel
Posted by D. Zink on 7 June, 2001 - 2:01 pm
I'm looking for a Touchpanel Hardware with min. 32MB RAM and Ethernet-port running WinCE.
micro 4F protocol OPC server ?
Posted by D. Zink on 7 June, 2001 - 1:54 pm
I'm looking for a PLC (preferred) or Gateway which supports micro 4F protocol. Best would be a OPC server for windows.
1
reply
genetic algorithm in process control
Posted by Tang Chin Teng on 7 June, 2001 - 1:34 pm
well, fuzzy logic and neural network are artificial intelligence used in process control nowadays. So, is GA suitable in process control too?
Jaton Video67-Pro / Trident 9750 PCI driver problems ?
Posted by Hullsiek, William on 7 June, 2001 - 1:30 pm
I am encountering problems with Windows-NT / SP6A using iFIX. The machine does not respond to the network, touch-screen, or keyboard. (But does not blue-screen). ...
13
replies
HELP! Modbus Beginner
Posted by Marie O' Brien on 7 June, 2001 - 1:28 pm
Beginner to Modbus!
canister measuring
Posted by Ward Feldman on 7 June, 2001 - 1:15 pm
I was wondering if anyone could lend me any information on measuring the roundness of canisters...
1
reply
DCOM on non-Windows embedded systems
Posted by Lynn Linse on 7 June, 2001 - 12:44 pm
Just curious. I heard a colleague yesterday saying Wind River had released a non-Windows OPC tool, plus I've heard for months that another company has source libraries that can be licensed to do OPC on non-Windows embedded systems. ...
5
replies
HMI for Compumotor servo controller 6K2
Posted by Ray Pike on 7 June, 2001 - 11:15 am
Does anyone know of reasonable cost HMI software with a driver for Compumotor servo controller 6K2, to be installed on desktop PC. Compumotor's own CTC Interact product is just too expensive for this application.
5
replies
Supervised Inputs
Posted by Don Zunti on 7 June, 2001 - 10:37 am
Looking for 4-state supervision of PLC inputs
4
replies
CRT and EMI
Posted by Yonca Yesilipek on 7 June, 2001 - 10:24 am
How can I protect a CRT from EMI effect. The CRT's are located just 7 meters away from 14KA busbar. Are there any equipment for protection?
anyone used sst-2400/sst-900 for pc-plc ?
Posted by Sanjay on 7 June, 2001 - 9:04 am
Overflow Errors during PC to PLC communication through SST-2400EXT.
4
replies
Control of Power Station
Posted by Tom vardon on 7 June, 2001 - 8:12 am
Require Fibre Hub to operate on 125 VDC
4
replies
Steam Turbine HP Rotor Bending
Posted by R B Murthy on 7 June, 2001 - 7:57 am
210MW LMZ Russian Design, BHEL make Steam Turbine. HP Rotor is bent. Severe rubbing on curtice wheel hub. Rubbing on subsequent stages shroud and tenan.
5
replies
Allen Bradley Modem Communications
Posted by Kevin on 7 June, 2001 - 7:53 am
Please talk to me...
4
replies
Vision Systems
Posted by Luciano Cardoso Vasconcelos on 7 June, 2001 - 7:09 am
Which companies have easy vision systems to supply that can be used for example to send to a PLC that the product is not correct or the barcode is incorrect or the inkjet label was written improperly ?
1
reply
Remote HMI link with Modicon Micro PLC612
Posted by Ali Raza on 7 June, 2001 - 6:06 am
settingup RSView HMI with Modicon Micro PLC612
5
replies
Sensor/switch for package weight verification
Posted by Brad on 7 June, 2001 - 2:30 am
I am looking for a sensor or a switch to verify that I have product in a box. ...
9
replies
RSView/Linx & Excel
Posted by BoDuke on 6 June, 2001 - 10:10 pm
RSView/Linx & Excel, retrieving integer values, configuring
5
replies
How Can I set Webview in Cimplicity on NT Workstation?
Posted by Zuo Zhihui on 6 June, 2001 - 8:37 pm
My project is build by Cimplicity, my OS is Win NT Workstation, How can I set Webview for my project?
2
replies
Software/structure information?
Posted by James on 6 June, 2001 - 8:16 pm
AspenTech InfoPlus21 Process Historian... Information on....?
7
replies
TSX 17-20 PLC and software manuals
Posted by Eng. Anan H. Hemary on 6 June, 2001 - 2:48 pm
Request for PLC and software manuals
32
replies
PID Controller Standard
Posted by Danyang Liu on 6 June, 2001 - 2:03 pm
For a long time I have been thinking about the standards of PID controller. I am sure the different names, different structures, different forms, etc., concerning PID control equations confused many people and may have caused some serious problems. So it is important that an industrial standard for PID control equations be set up. ...
5
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Practical PID setting in Industrial PID Controllers
Posted by S.Jamal Sadreddini on 6 June, 2001 - 12:28 pm
How can we set industrial PID controllers due to our processes? Do u have any application notes and some practical examples? if you have, can u send them to me, please?
7
replies
AC motor control help
Posted by Ben Brown on 6 June, 2001 - 12:17 pm
I have a simple problem which hopefully has a simple solution, I have a 8A single phase 240v motor (which has a fan attached and is used as a blower) I need to switch this motor on and off using a timer circuit (which I already have)....
4
replies
Alternative Control Algorithms
Posted by Shahid Waqas Chaudhry on 6 June, 2001 - 11:39 am
I am interested in knowing whether there are other alternative algorithms for control system applications other than the PID Algo. I know that a lot of work has been done in the application of fuzzy logic and neural network to solve control problem (feedback and feed forward). ...
4
replies
Commands for Communication using VB
Posted by kiran on 6 June, 2001 - 11:37 am
I am trying to communicate with a hardware based on RS 485 network using VB; when I try to initialise the hardware by sending the command Hex (81) {CR} from VB, I am not able to communicate. ...
subroutines in Puffin IL
Posted by Jiri Baum on 6 June, 2001 - 11:33 am
The Puffin IL now supports subroutines. The semantics are as follows ...
1
reply
Mitsubishi F1-40MR
Posted by Mark on 6 June, 2001 - 10:48 am
I have a copy of Medoc, an sc-03s2 interface/cable. What else do I need to attach to and program a Mitsubishi F1-40MR PLC?
13
replies
Honeywell UV Flame Detectors
Posted by Brad Fanetti on 6 June, 2001 - 10:23 am
Procedure for testing the correct operation of Honeywell Flame Detectors
1
reply
RSBatch Controllogix Strings
Posted by Dave Sutton on 6 June, 2001 - 1:22 am
I cannot get string data from RSBatch to Contrologix To RSView
14
replies
Synchronization
Posted by Double 3 on 5 June, 2001 - 11:13 pm
Two motors in one !
4
replies
Keyboard emulation
Posted by Chris Morgan on 5 June, 2001 - 10:25 pm
I need to replace a keyboard with a single button to enter data from a test system to a logging computer.
1
reply
CVIM2 Interface
Posted by A. Wiest on 5 June, 2001 - 8:55 pm
Need an interface capable of switching between 3 separate CVIM2 units.
28
replies
Any alternative to RS View?
Posted by Andrew Snowdon on 5 June, 2001 - 5:55 pm
Does anyone know of a reliable alternative to RS View PC based HMI software? I need to read and write data from a PC to an Allen-Bradley PLC 5.
1
reply
Data Conversion using Floating Point
Posted by Tom Schrauth on 5 June, 2001 - 2:58 pm
I need ladder for converting Floating point number to 2 integer values (1-32 bit values). Then take 2 integer values and convert them to a floating point number.
5
replies
MSExcel97 - running a macro from the spreadsheet
Posted by Ron Powers on 5 June, 2001 - 2:57 pm
I have a need to run a VBA macro (called "shift") every time a particular value in a cell ("I1") goes from "False" to "True". Anyone have any ideas on how to accomplish this?
Open Source legal issues
Posted by Todd Henkel on 5 June, 2001 - 2:43 pm
A couple of threads ago a question was raised about the licensing of the modbus protocol, and the legal uses of open source software in general. I came across this link while reading slashdot that might be helpful ...
8
replies
Panelmate Power Series - USB Connection
Posted by John Kelley on 5 June, 2001 - 12:48 pm
Toshiba Laptop with no serial on-board except USB is not recognised by Panelmate Power Series transfer utility. Does not present a COM1-COM2 option even though port is there. Any help with drivers?
Linear Pneumatic double acting piston actuators
Posted by Mark Skulmoski on 5 June, 2001 - 11:48 am
Looking for an equivalent style actuator.
4
replies
Self-Cleaning Fiber Optic Cables
Posted by J. Amstutz on 5 June, 2001 - 11:43 am
The company that I work for currently is using photoelectric sensors with fiber optic cables to sense the presence of paper. The cables, once covered with dust tend to give false readings. However, when the sensor's sensativity level is turned up high enough to combat the dust, then the sensor read through the paper...
8
replies
Using OPC
Posted by Rakesh on 5 June, 2001 - 11:31 am
Can anybody explain me details of OPC?
11
replies
Mass flow meters on sulfuric acid stream
Posted by Hart, Brett, CA NAR/US on 5 June, 2001 - 11:28 am
We are experiencing calibration drift on Micromotion mass flow meters in sulfuric acid service. Could this be due to tube deterioration?
8
replies
Comparison of various SCADA packages!!!
Posted by Sachin Mane on 5 June, 2001 - 11:22 am
Can anybody explain me the features of various SCADA packages available in industries?
1
reply
SST 5136 Board DH+ w/Linux
Posted by Paul Jager on 5 June, 2001 - 11:22 am
Has anyone created or found a Linux driver for this board, used for A/B DH+ communication?
16
replies
4 - 20 mA???
Posted by Rakesh on 5 June, 2001 - 11:15 am
Why 4 - 20 mA / 3-15psi???
2
replies
Open Channel Flow measurement
Posted by S.Shorer on 5 June, 2001 - 10:19 am
Need to calculate flow in a long open channel. One Venturi is installed at the entrance and three Dall Orifices are installed at the exit. Variations in readings are large.
13
replies
POSIX timer functions
Posted by Mario de Sousa on 5 June, 2001 - 10:00 am
To tell the truth, the period library is not quite correctly implemented. I need to use alarms/timers, but it seems that my linux box does not have the POSIX timer functions. Does anybody know if linux supports the following POSIX functions ...
3
replies
period library: comments please
Posted by Mario de Sousa on 5 June, 2001 - 9:53 am
I don't really like the "module_period" name. Can anybody think of an alternative? ...
1
reply
basic_il demo / period library
Posted by Mario de Sousa on 5 June, 2001 - 9:45 am
I have added a demo_il directory with a small il program. I also added a period library to /lib/period ...
6
replies
Orifice flowmeter design and calibration
Posted by R. Manoj on 5 June, 2001 - 9:37 am
Please tell me how to design and calibrate an orifice flowmeter for steam flow measurement.
1
reply
Flow meter reading
Posted by KS Jais on 5 June, 2001 - 6:53 am
If I am a new to a plant and pull out a orifice calculation datasheet like below, how do I know whether the orifice is reading the flow at the "design" operating temperature or at the base temperature?
2
replies
tension controll
Posted by Double 3 on 5 June, 2001 - 12:01 am
Control tension by OMRON PLC
1
reply
Protection of the Automation System from Lightening
Posted by Anjan Kumar Sethy on 4 June, 2001 - 11:54 pm
How to protect the server of the Networking system for Automation?
3
replies
Need example using RSLogix Sequencer Instruction SQO
Posted by A. D. Hudgens on 4 June, 2001 - 4:25 pm
I need some help with a routine in ladder diagram for RSLogix 5000 (Logix500 will be OK).
2
replies
Functional Control Description Format
Posted by Robert G. Cook, Jr. on 4 June, 2001 - 3:50 pm
What is the optimum format and structure of documents used to define the control functionality of PLCs?
9
replies
Flow switch for dry cement powder
Posted by Paul Rooleht on 4 June, 2001 - 11:45 am
Does anyone have any experience with flow measurement of a powder / air mixture flowing in a pipe?
1
reply
About fieldbus
Posted by I1aki Tolosa on 4 June, 2001 - 11:30 am
We are two Spanish students who are doing our final project in Finland. We are interested in profibus PA and FF and we would be very grateful if you sent us information ....
10
replies
SIEMENS PLC PROBLEM
Posted by MOHAMMED MOHAIDEEN RIZWAN on 4 June, 2001 - 11:26 am
I am using Siemens-Simatic S5-95U PLC for napkins trifolding machine. In my PLC, when I apply the input analog voltage by tachogenerator to PLC analog input terminals, the output analog voltage is not coming from the analog output module. What's the problem in my PLC?
5
replies
RS232/RS485 converters
Posted by EC-Hector Rodriguez Alvarez on 4 June, 2001 - 11:07 am
I got some RS232 to RS485 converters (model 485LDRC of B&B Electronics). This converter doesn't use the handshaking signals (CTS and RTS) from RS232 that appear in my actual case. Can anyone tell me how to solve this situation?
3
replies
Test Certificate
Posted by anand s on 4 June, 2001 - 9:17 am
Explosion proof / flameproof Test Certificate
3
replies
Getting Fix and InTouch Talking Together
Posted by James Charters on 4 June, 2001 - 6:09 am
I have a requirement to pull information from an intellution fix scada and to display it on an INtouch scada. I assume that the best way is using DDE but I am having no joy at the moment. ...
4
replies
FLOW TOTALIZER USING SLC5/05
Posted by DAVID PALKON on 3 June, 2001 - 8:31 pm
How to make an ACCURATE flow totalizer using a 4-20 ma flow meter and a SLC 5/05?
3
replies
JimPinto.com eNews - 31 May '01
Posted by Jim Pinto on 3 June, 2001 - 1:21 pm
The latest JimPinto.com eNews - No. 45 - May 31, 2001 is on the web at : http://www.jimpinto.com/enews/may31-2001.html
1
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informattion plc5/40ab
Posted by fabio on 3 June, 2001 - 1:00 pm
information about plc5/40ab,instrution rs logix5,control net ab,manuals please tanks you
3
replies
4th grade presentation
Posted by Alireza Fatehi on 3 June, 2001 - 12:52 pm
Suppose you are going to present a course titled "Industrial Automation" for 4th grade BSc or MSc students...
5
replies
PLC Fault Code????
Posted by Dave on 3 June, 2001 - 11:42 am
Our SLC 5/04 faults with 1F5A
1
reply
Step5
Posted by Gianluca Petrocchi on 3 June, 2001 - 11:40 am
I'd need a hand in learning step5 commands working with a notebook pc
2
replies
incremental encoder
Posted by boris on 2 June, 2001 - 5:24 pm
incremental encoder
8
replies
IEC 870-5 protocol
Posted by Earl Eiland on 2 June, 2001 - 2:48 pm
Is anyone working on using Linux PLC with the IEC 870-5 protocol?
2
replies
The value of protocol certification
Posted by R.A. Hulsebos on 2 June, 2001 - 11:14 am
Are certified products really bugfree?
16
replies
SCADA Screen Colors
Posted by Eric J. Feight on 2 June, 2001 - 10:25 am
Are there any standards or research data on what should or shouldn't be used for screen colors on HMI screens?
6
replies
Operator Interface 10.4" TFT for Class1 Div2
Posted by Kamath RL on 2 June, 2001 - 2:47 am
I am looking for a 10.4" LCD display suitable for Class1 Div 2 area. communication modbus possible. Can some one who has successfully used such product recommond me a brand,please.
6
replies
GE 90-30's faulting during online edits
Posted by John McCoy on 1 June, 2001 - 10:31 pm
Need to know if others have experienced the same and what work-arounds were used. Also, do other brands have the same problem?
2
replies
Embedded Linux variant in Omron's "Open Network Controller"
Posted by Dale Malony on 1 June, 2001 - 6:25 pm
Omron Open Network Controller runs on QNX which sounds like a tweaked Linux, and comes in a diskless PC package with a "Soft Logic Controller." Is QNX Linux. Is it good? Is this something that could help the LPLC project? I might buy it for Honda as a gatway between RSView and my Proprietary Omron Networ, Sysmac Link.
2
replies
Induction Heating info
Posted by James007 on 1 June, 2001 - 4:35 pm
Does anyone know where I can find good sites for information on Induction Heating?
No response from the slave
Posted by AGMPL on 1 June, 2001 - 3:57 pm
Looking for driver in VC++, to help with communication problem
Medoc over Ethernet to E-terminal to Mitsubishi CPU
Posted by Seth Yancey on 1 June, 2001 - 3:31 pm
Is anyone out there having success with using Medoc over Ethernet (by using COM/IP or any other COMM-to-TCP redirection software) to download/upload/monitor PLC programs of a PLC connected to a Ethernet enabled E-terminal with transparent mode? ...
A poem about startup
Posted by Jake Thompson on 1 June, 2001 - 2:11 pm
here is a poem I was inspired to write after reading some on this web site. hope its good!
Access Application
Posted by Burda, Jason M. on 1 June, 2001 - 2:07 pm
I have a vba that is used to take acidity samples from test equipment. Need some help with CimBasic code...
1
reply
Controlview under NT
Posted by DTM (Dan McGrath) on 1 June, 2001 - 1:47 pm
Can anyone tell me how to run Allen Bradley Controlview (for Dos) under NT4.0? I saw a tip on how to run under Windows 95 but doesnt seem to work under NT..
Environmental corrosives compliance
Posted by Pedro Reyes on 1 June, 2001 - 1:28 pm
I need the scope of Class I, Division 2, Groups A, B, C, D, compliance with G3 for environmental corrosives for sulfuric acid.
3
replies
Windows CE and diskless PC's
Posted by Dale Malony on 1 June, 2001 - 11:18 am
Has anyone out there used a diskless industrial running Windows CE? I am curious about what limitations are placed on VB or C++ development for CE. ...
3
replies
Allen Bradley and profibus
Posted by Bernard Ward on 1 June, 2001 - 9:59 am
I would like to know does profibus work on Allen Bradley SLC503.
5
replies
How can I disable a Device in Cimplicity by Basic Control
Posted by Zuozh on 1 June, 2001 - 9:30 am
Want to disable some device by VB Script, not from Work bench
IL manual
Posted by Jiri Baum on 1 June, 2001 - 4:21 am
I've put together a short manual to the IL compiler. Could I have feedback on it, please ...
14
replies
WinNT reliability ???
Posted by Javier Gonzalez on 1 June, 2001 - 2:40 am
I am in the preliminary stages of a control system design, and require some figures (namely MTBF) on availability and reliability for WinNT.
4
replies
Control Valve Sizing
Posted by anand s on 31 May, 2001 - 11:35 pm
Cavitation / flashing problem
7
replies
FactoryLink WebClient With Win2000
Posted by Tony R. Gunderman on 31 May, 2001 - 11:25 pm
When using FactoryLink ECS 6.6 WebClients with Win2000, the text bounding boxes are too large.
2
replies
Integral and Proportional Gains
Posted by Mario Bordignon on 31 May, 2001 - 10:38 pm
Gains for Integral and Proportional PI Temperature Control
24
replies
Convolve two arrays in c++
Posted by Bjoles on 31 May, 2001 - 4:41 pm
C++ programing and array minipulation
3
replies
Accessing tags in Realflex database
Posted by Juan de Arajo on 31 May, 2001 - 3:53 pm
How can I make a c program to access values of tags in a Realflex database ?
Does anybody have the definition of S7 over TCP/IP?
Posted by Hugo Rumayor on 31 May, 2001 - 3:40 pm
Does anybody have the definition of S7 over TCP/IP now called Industrial Ethernet?
4
replies
Allen-Bradley Basic Module "C" Programming?
Posted by Andrew Snowdon on 31 May, 2001 - 11:52 am
I have a requirement to program an Allen-Bradley basic module in "C" programming language but am struggling to find any information on how to compile the written program into machine code in a "ready to use format".
4
replies
non-contact distance measurement
Posted by Gantt Robert on 31 May, 2001 - 10:46 am
I have a similar need as the one posted by Ludovic DEMEULENAERE yesterday for crane positioning, but for a short distance application in an extrusion machine.
distribution and gcc version (was: Re: LinuxPLC: big demo)
Posted by Jiri Baum on 31 May, 2001 - 9:57 am
Puffin should work with all distributions and versions of gcc. Perhaps we might phrase it conversely: have a list of known problems, with workarounds (we already have the first item for it - that gcc bug). ...