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11
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Protecting S7 blocks
Posted by T.Salminen on 23 January, 2002 - 9:34 am
Can anyone tell me how to know how protect FB:s and FC:s in STEP7.
Of software "issues," warranties, and support..
Posted by Khalid on 22 January, 2002 - 4:59 pm
A good article from the latest Control Solutions magazine: 'Of software "issues," warranties, and support.'
10
replies
Siemens Manuals
Posted by Braem Dave on 22 January, 2002 - 4:56 pm
Can anyone tell me where I can find Manuals of the Siemens PLC : programmable manuals and software manuals
3
replies
PLC-5 Instruction BTW/BTR
Posted by Mike on 22 January, 2002 - 4:33 pm
Just need to understand... What these instructions do.
What's Working in Marketing & e-Business
Posted by Shari Worthington on 22 January, 2002 - 4:20 pm
Telesian Technology's January 2002 report on Marketing & e-Business for the technology and manufacturing markets
AOL in Negotiations to Acquire Red Hat
Posted by Curt Wuollet on 22 January, 2002 - 3:22 pm
A little off-topic but interesting... Thought you guys might like to see this...
7
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IEC 1131 Motion Control
Posted by Terry Miller on 22 January, 2002 - 2:52 pm
Does anyone know where I can get information on the "new" IEC Motion Control standards, programming tools, function blocks, etc?
10
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Process Specification (was Demarcation (was: STL x Ladder))
Posted by Bruce Durdle on 22 January, 2002 - 1:48 pm
My experience with getting contractors to write functional specs has been quite varied...
1
reply
Metering Mass flow of Polyester resin in a Spray Gun
Posted by Angelo Vadasis on 22 January, 2002 - 1:10 pm
With my pc, I want to control the mass flow of the polyester resin which is mixed in a spray gun with glass fibre...
3
replies
CNC position queries from RS-232?
Posted by Bill Sturm on 22 January, 2002 - 11:41 am
I am generally familiar with inputting a CNC program from a terminal to a Fanuc CNC. What I would like to know is if there is a way to send a command and have the CNC return actual position, target position, velocity, current block...
3
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Argh!!!! Winsock
Posted by Dave on 22 January, 2002 - 11:07 am
I think I am missing some reference(s) in VB 6...
1
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40Khz Infrared Receivers
Posted by Matthew Von-Maszewski on 22 January, 2002 - 11:05 am
Looking for 3v 40Khz IR receiver...
Metering Mass flow of Polyester resin in a Spray Gun
Posted by Angelo Vadasis on 22 January, 2002 - 10:42 am
I want to controll the mass flow of the polyester resin which is mixed in a spray gun with glass fibre. I want to controll it with my Pc...
1
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CNC, RTLinux and PLC
Posted by Peter Wurmsdobler on 22 January, 2002 - 9:53 am
Stephan, you may want to take a look at a paper by Yvonne Wagner from EMCO Mair GesmbH ...
5
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PLC code generator
Posted by Mohammed Rahman Aerotech Inc on 22 January, 2002 - 9:43 am
Need soft PLC code generator (ladder logic, structured text, flow chart etc) for PC and interpreter written in C.
3
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serial port to communicate with an S7-200 PLC
Posted by Tung on 22 January, 2002 - 9:20 am
How to use serial port of a Dell Latitute notebook to communicate with an S7-200 PLC?
2
replies
HMI Alarms sent to Group of MobilePhones via SMS
Posted by S.Sivasekar on 22 January, 2002 - 9:14 am
I've a requirement to send my HMI alarm messages to a group of users thru SMS. Any suggestion for the SMS Gateway to handle two way communication and action?
3
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PLC s ladder diagrams
Posted by John Carter on 22 January, 2002 - 9:11 am
Help needed in designing a ladder diagam...
9
replies
PH Problems
Posted by Alex on 22 January, 2002 - 9:10 am
Erroneous readings from PH probes in a plastic tank...
2
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Elsag Bailey PLC
Posted by Luciano Cardoso Vasconcelos on 22 January, 2002 - 9:08 am
I tried to find manuals about Elsag Bailey PLCs Manuals . Somebody knows where to find materials about that ?
2
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Redundant optical two-fibre ring
Posted by Redundant optical two-fibre ring on 21 January, 2002 - 2:21 pm
Least expensive solution to put into redundant optical two-fiber ring net (ethernet), nine PLC (TSX Premium, and on lower level communication on Profibus-DP with other equipments.
14
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Windows Networking
Posted by Mark Hutton on 19 January, 2002 - 3:21 pm
OK, not strictly an automation question, but in the idiotic trend towards PCs in control relevant all the same...
16
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OPC client programming.
Posted by Mark Hutton on 19 January, 2002 - 2:41 pm
Anyone know of any good OPC resources? I am particularly interested in examples of VB, C++, Delphi and/or Java codee for connecting as a client to an OPC server...
1
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RTLinux Quick Ref Guide
Posted by Curt Wuollet on 19 January, 2002 - 2:25 pm
I looked this up for an off-list question. It summarizes and provides links to a good share of the vast array of realtime solutions and research for Linux...
2
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Lab Automation
Posted by Claudio Pires on 19 January, 2002 - 2:12 pm
I've been working in the field of industrial automation...and now I'm intending to introduce its knowledge to start some instrumentation laboratory automation developments.
3
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CRC Calculation for SLC 500 PLC Driver
Posted by Gopa on 19 January, 2002 - 1:07 pm
If anybody have source code for CRC calculation for slc 500 plc driver pls send to me. (VB/VC)
2
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Control Valve Problem
Posted by srinivas duddu on 19 January, 2002 - 12:42 pm
Effect of Vibration in pipeline on the control valve installed !!
16
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mass flow meter for slurry
Posted by dave balabuck on 19 January, 2002 - 11:04 am
looking for a coriolis mas flow meter for a slurry application. line size could be a problem need 12 to 18 inches any sugestions other than flow and density
1
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OPC Interface to Siemens 545 series
Posted by Russ Kinner on 18 January, 2002 - 5:25 pm
Floating point value problem was solved
2
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Cimplicity (Advanced support required)
Posted by Alok Khatlawala on 18 January, 2002 - 4:37 pm
Using Modbus RTU via a Telnet port
AI500 Winlinx Windows 98
Posted by Dan on 18 January, 2002 - 4:33 pm
How to downgrade Winsock 2 to Winsock 1.1 in Windows 98
1
reply
iFIX / GPI driver / Lantronix
Posted by William Hullsiek on 18 January, 2002 - 1:15 pm
Troubleshooting tools diagnostics within iFIX?
11
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WinCC tutorial
Posted by Krzysztof Golanski on 18 January, 2002 - 11:22 am
Looking for WinCC tutorial
3
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Intouch Assertion Errors
Posted by Paul Kelly on 18 January, 2002 - 10:09 am
We have an InTouch v7.1 application running under windows 2000 pro. and VisualAutomation's "Secure Desktop", occasionally the system produces error messages of the form; "Assertion Error - (File ....\vudraw.c line 1179) - Continue?".
7
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plc used for titanium dioxide plant control
Posted by a a samson on 18 January, 2002 - 10:06 am
Has a plc been used for control of a titanium dioxide plant before ? all the references i could find are with DCS only. What is the reason for this?
3
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data block for s5-95u
Posted by fids on 18 January, 2002 - 10:04 am
i just want to know how to utilized the data blocks in s5-95u. where can i use it. can you give me some example.
2
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Temperature controllers used in refineries (petroleum)?
Posted by Ganesh on 18 January, 2002 - 10:00 am
Are temperature controllers used in petroleum refineries or not? ie., at the outlet of several byproducts like kerosene , diesel , gasoline , etc at different specified temperature ranges in the fractional distillation column...
2
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Serial port project
Posted by RM Kapadia on 18 January, 2002 - 9:55 am
Student project on serial port communication, need suggestions
2
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QUANTUM WORK WITH P453
Posted by hanping on 18 January, 2002 - 9:42 am
Who has a s290/290 document . I need to connect a quantum to as- p453-522.
6
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Allen Bradley-Toledo Jaguar Integration
Posted by Ting Gatus on 18 January, 2002 - 9:40 am
Needs a solution to read the real value of Jaguar Weighing system to Allen Bradley PLC
1
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Intouch Email
Posted by Ken White on 18 January, 2002 - 9:35 am
Lotus Notes Email through Intouch
new articles of note
Posted by Walt Boyes on 17 January, 2002 - 3:43 pm
Today's issue of the automationtechies.com newsletter has two articles of note...
3
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ADDRESSING PANELVIEW IN DEVICENET
Posted by Gabriel Preliasco on 17 January, 2002 - 1:22 pm
I'm working with a PLC 5/30 and Panelview 300 on devicenet. How can I specify that this addresses correspond to the addresses of the scanner module?
7
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Alarming & Messaging
Posted by Rob Dombek on 17 January, 2002 - 1:20 pm
I would like to get input/suggestions for managing & programming, the display of alarms, messages and faults between the PLC & HMI.
5
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Document ladder from Texas instruments model 305 10 d t/c
Posted by Dr Sapo on 17 January, 2002 - 12:49 pm
IŽd like to get a ladder from a Texas PLC...
4
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how to use limit cycle to tune PID
Posted by bear on 17 January, 2002 - 12:02 pm
I want to tune a PID controller for a heater with limit cycle. Supposed transfer function of the controlled object is not known. How to calculate the output of controller?
5
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Intouch Historical Data
Posted by Neil White on 17 January, 2002 - 12:00 pm
We are writting an application that requires us to save data that can then be included into a report.
2
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OMRON PID block
Posted by Babak Kamali on 17 January, 2002 - 11:59 am
I'd like to know that how it is possible to configure a PID block in CX-Programmer with Omron CQM1H-CPU51 PLC.
Wanted: SFC/IL code for academic research
Posted by Ralf Huuck on 17 January, 2002 - 11:31 am
For an academic research project on PLC software verification we are now looking for real life case studies. Any help will be mutual benificial...
3
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safety systems experiences
Posted by Vicente Garcia on 17 January, 2002 - 11:28 am
We are system integrator and we are considering for one of our customers the use of a saefty systems (Triconex, ICS Triplex, Hima, or S7 F), and I will like to consider also what otehr users opinions are regarding this type of systems.
KIWA MACHINE
Posted by Ing. Damian Cepeda on 17 January, 2002 - 11:22 am
I need pick out the turn Table of Kiwa Machine but I don't have the diagrams of parts...
3
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GE series 3 programming
Posted by kevinp on 17 January, 2002 - 11:10 am
We have an old GE series 3 plc running an automated parts washer and would like to back up the program. How is the best way to do this?
Reports from Intellution's iDowntime
Posted by Tim Perry on 17 January, 2002 - 10:47 am
I am attempting to generate queries and reports based on the data source which iDowntime writes to (iHistorian?)...
5
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simple ladder logic required
Posted by sean on 17 January, 2002 - 9:49 am
Im very new to plc ladder logic and I need a design to prevent motors from starting at the same time to reduce overloading of the supply...
4
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OPC Server for Linux
Posted by Oldie on 17 January, 2002 - 9:45 am
I have written a simple SCADA program called miniSCADA for Windows. In the old days, no problems using RS232/485 but now ethernet needs and openess between systems I use OPC Server...
UHF vs VHF Leaky Feeder
Posted by Bridget on 17 January, 2002 - 9:41 am
What are the advantages ( if any) of a UHF leaky feeder system over a VHF leaky feeder system?
2
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ControlNet anomaly
Posted by Ed Mulligan on 16 January, 2002 - 5:25 pm
In publication 1785-RN522C-EN-P dated 8/01 Allen Bradley states: "Under extremely noisy conditions on the ControlNet channel, processor may fault with memory loss or lose communication."
2
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Control System Layout
Posted by Claudio Pires on 16 January, 2002 - 3:21 pm
I have a plant controlled by 2 SLC-5/04 and 3 PanelView 900, exchanging data through DH+ network, with 2 serial printers for alarm register and other some process variables...
2
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Detailed comparison of Profibus, Interbus, Ethernet, AS-Interface
Posted by Rob Hulsebos on 16 January, 2002 - 3:05 pm
Until now, comparisons between bus systems did not go much further than comparing them at about 10 properties...
6
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PLC AB vs GE
Posted by Arturo Arevalo Escobar on 16 January, 2002 - 12:08 pm
Does anybody know where can I find a comparison table between AB and GE PLCs?
12
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Linear Accuator
Posted by Lance on 16 January, 2002 - 11:58 am
Looking for a small afforable device that produces linear motion...
4
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Effects of altitude changes on venturi flow meters
Posted by Scott Owen on 16 January, 2002 - 11:48 am
Does anybody know any references on the effects of altitude changes on venturi flow meters when measuring air flow at ambient conditions?
Moeller PS3 PLC's
Posted by Steve on 16 January, 2002 - 11:40 am
I have "lost" the "source" code for an old Moeller PS3 316 PLC. I seem to remember that it was possible to uncompile the PLC program. Does anyone know if this is possible?
2
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F1 manual Mitsubishi PLC
Posted by Braem Dave on 16 January, 2002 - 10:53 am
Can anyone tell my where I can download the manuals of F1 Mitsubishi PLC?
3
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Hydrocarbon Custody Transfer
Posted by Jorge Diaz on 16 January, 2002 - 10:50 am
I need information about a company or consultor with strong experience in hydrocarbon custody transfer using Coriolis+flow computer+Proving to do a seminar/consulting in Chile...
5
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Pinto's Law of open-systems confusion
Posted by JimPinto on 16 January, 2002 - 10:37 am
Everyone recognizes the advantages of a fieldbus standard. However, end users are the primary beneficiaries, and vendors lose their proprietary edge..
8
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Linux In Controls
Posted by Rokicki, Andrew on 16 January, 2002 - 10:36 am
We are a company that uses Linux with great success (20 machines +)...
6
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USS protocol
Posted by Roberto Finazzi on 15 January, 2002 - 4:31 pm
I'm looking for the USS protocol description, used by Siemens for Micromaster drive communication, because I must write a program for read and write data on this device.
Shameless Plug: our book is in the stores!
Posted by Walt Boyes on 15 January, 2002 - 4:18 pm
After some deeply regretted delays, Shari Worthington and I are extremely pleased to report that our book _eBusiness in Manufacturing: Putting the Internet to Work in the Industrial Enterprise_ started shipping last week, and can now be ordered from Amazon and ISA...
4
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European QNX Meeting
Posted by Edelhard Becker on 15 January, 2002 - 3:37 pm
There will be an event on the second evening of this year's "Embedded Systems" in Nuremberg...
2
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AS511 on PLC 115 U TYPE 945
Posted by thierry gruet on 15 January, 2002 - 2:44 pm
want to connect HMI on PLC 115 U TYPE 945 with AS511 protocol. seems request are really different than PLC115U 940-944...
Multiloop controller with ethernet connection
Posted by Xin Liu on 15 January, 2002 - 2:42 pm
I am looking for multiloop temperature controllers with ethernet connection, prefer to have a controller of 6 loops.
Allen-Bradley PanelView 1000e or 1200e or 1400e project...
Posted by Jeff on 15 January, 2002 - 2:37 pm
Anyone have an upcoming Allen-Bradley PanelView enhanced project?
12
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winCC software to attach code to a button
Posted by MM on 15 January, 2002 - 2:34 pm
Does anybody know how I would use winCC software to attach code to a button on the graphics editor to enable me to force on or off a particular output...
2
replies
PLC Coding/Configuration Standards
Posted by Dave Hockaday on 15 January, 2002 - 2:29 pm
I'm searching for informatin on how various companies have developed their own coding and/or configuration standards for internal computer validation...
1
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HMI Market, space for new vendors?
Posted by Luis Andes on 15 January, 2002 - 2:03 pm
HMI software market has grown dramatically in the past twelve years. Now the market is almost full. Almost everybody got their HMI. How is going to be the future?
7
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fielbus & profibus sites
Posted by amir on 15 January, 2002 - 1:41 pm
I'm seeking for some information about fieldbus and profibus. if any body knows any website, please introuduce me.
DCS Alcont Honeywell
Posted by Patrick De Meyer on 15 January, 2002 - 1:38 pm
Does anyone knows the pinout from the frontplugs on a SCI-card (serial interface).Its a cobined RS232,RS422,TTY current-loop 25-pin sub-D female...
2
replies
card for GE FANUC PLC 90-30
Posted by S.F. Moh'd on 15 January, 2002 - 1:32 pm
I want to use rs485 pci card istead of He693snp232a cable what is the best card i can use?
5
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modicon Momentum Emulator ???
Posted by me on 15 January, 2002 - 1:24 pm
im loking for modicon Momentum Emulator...
Languages expand the mind (was LANG: Demarcation)
Posted by Jiri Baum on 15 January, 2002 - 11:59 am
The original is "A language that doesn't affect the way you think about programming, is not worth knowing", and it was Alan J. Perlis that said it.
3
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Any successful PLS modules on ControlLogix
Posted by Trevor Ousey on 15 January, 2002 - 11:48 am
We have been trying to implement a ControlLogix PLS module unsuccessfully and am curious if there has been much success with the unit...
2
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Shunt DC Motor control
Posted by B. J. Dunham on 15 January, 2002 - 11:39 am
I am needing to design a closed loop DC motor controller with constant speed and varying load conditions.
Question about MSTR (984-785e)
Posted by Leonid Molchanov on 15 January, 2002 - 11:11 am
In what instant the information transmitted MSTR PLC1 comes in PLC2? In the beginning of scan PLC2, in the end or arbitrary?
10
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Urgent Requests to all Allen Bradley Experts
Posted by Michael Lindstrom on 15 January, 2002 - 11:01 am
I have a PLC 2 which no one at the mine has a cable to connect to. Does anyone know the pin-outs to connect from a standard Com port to a PLC 2. Or better still does anyone know if I can connect from my PCMK card to the PLC 2?
11
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s5 and s7 difference
Posted by fids on 15 January, 2002 - 10:51 am
i just want to know the difference of s5 and s7. what are the features found in s7 that can't be found in s5...
2
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CNC position queries from RS-232?
Posted by Bill Sturm on 15 January, 2002 - 10:50 am
I am generally familiar with inputting a CNC program from a terminal to a Fanuc CNC. What I would like to know is if there is a way to send a command and have the CNC return actual position, target position, velocity, current block...
1
reply
Replesmant parts for UPS MGE EPS 200
Posted by David Hernandez on 15 January, 2002 - 10:47 am
We have a burn inverter module for an UPS MGE EPS2000, 100KVA, 480 VCA. I surf the MGE web, and i only found the EPS 6000 series...
1
reply
Derivatives on GE Series 90-30 PLC
Posted by Marco on 15 January, 2002 - 10:30 am
How to do derivatives and low pass filtering on GE 90-30 PLC...
1
reply
Panelmate II Active Rack
Posted by Timr on 14 January, 2002 - 2:19 pm
I am working on replacing a PanelmateII and in the configuration of Active Rack Table it lists 4 under qtr 1 and * for qtr2,3,4. This applies to active rack 1,2,3,4. What does this mean?
2
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Need freeware DLLs for AB 1784KT board
Posted by Alexander Beketov on 14 January, 2002 - 1:58 pm
I need DLLs for implementing DH+ support for AB PLCs in our SCADA...
DCS Alcont Honeywell
Posted by Patrick De Meyer on 14 January, 2002 - 12:14 pm
Does anyone knows the pinout from the frontplugs on a SCI-card (serial interface).Its a cobined RS232,RS422,TTY current-loop 25-pin sub-D female...
7
replies
Another Interesting Hardware Platform
Posted by Curt Wuollet on 14 January, 2002 - 10:37 am
We may not have to build our own hardware platform. Several likely homes are showing up. Sixnet has one. Here's another one...
5
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GE Fanuc TCPIP unsolicited communication
Posted by S.Sivasekar on 14 January, 2002 - 9:50 am
I'm looking for a driver to collect data from my GE FANUC PLC on TCPIP using UNSOLICITED method...
Integral Annunciator Communication over Control Net
Posted by Pandurang Dalvi on 14 January, 2002 - 9:48 am
I am designing PLC system with AB Control Net processor. In addition to PLC system and MMI we are providing Integral Annunciator. I want my annunciator to communicate with PLC over soft link, so that I can save my digital outputs to annunciator. Is this possible?
4
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Old A984-120 will not start. HELP!
Posted by Terry on 14 January, 2002 - 9:40 am
Trying to get a a984-120 controller configured to write to using proworx. Keep getting error "dim awareness". I'm new to the plc world so be nice.
2
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KEP Infilink User experiences?
Posted by Eric M. Klintworth on 13 January, 2002 - 12:11 pm
I'd appreciate hearing from anyone who has used KEP's Infilink HMI software...
2150 aga card
Posted by Owen Hicks on 13 January, 2002 - 11:41 am
I am looking for the MODBUS tables, Appendix "C", for a ProSoft Technologies 2150 AGA card for the SLC 5-02/03/04/05 ( 1746 ) chassis...
1
reply
Connecting cable between SIMATIC PG`s
Posted by Zenon Zembaty on 13 January, 2002 - 11:40 am
I want connect two Siemens programing devices: PG720 and PG685, and exchange files between them using program PG-LINK...
1
reply
Differences in Pressure Transmitter principles
Posted by srinivas duddu on 12 January, 2002 - 1:14 pm
There are transmitters based on piezo resistivity, capacitance ...etc. Which is the BEST ?