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from the Brain Dump department...
Control.com Post Archive
Continuous process industries, DCS questions. topic
Posted by Fred Chwalek on 21 February, 2001 - 3:36 pm
Zinc chloride filter system
Does anyone have experience with filtering zinc chloride and using pressure switches with it?
Application Questions and Problems topic
Posted by Eudilson_N_Cossio on 21 February, 2001 - 3:33 pm
flow measurement
I need a flow meter in a 14" pipe that works only when the security valves take action on a multiple line crude receiver.
PLCs and related questions. topic
Posted by Friedrich Haase on 21 February, 2001 - 2:59 pm
Automatic comments
What do others think of "automated commenting" feature? And are there other PLC programming tools using it?
Motion control, servos, steppers, etc. topic
Posted by Adolfo Jimmy Saldivias on 21 February, 2001 - 11:03 am
linear potentiometer
Please reccommend me a manufacturer of linear potentiometers
Motion control, servos, steppers, etc. topic
Posted by C Seffens on 21 February, 2001 - 11:02 am
Absolute Linear feedback
project in which the customer desires to use a linear motor to drive a pick and place unit over 16 feet of travel
PLCs and related questions. topic
Posted by John Kost on 21 February, 2001 - 9:26 am
1771-DB/B High-Performance Programming In C
Looking for benchmark programs which compare the various functions and their speed boost when going from DB-Basic to C-Toolkit.
PLCs and related questions. topic
Posted by Harimurti Widyasena on 21 February, 2001 - 9:25 am
Need help on Modicon 984 Family PLC
I want to know what makes "State RAM Test Failed" error message on Modicon 984-685E PLC
Continuous process industries, DCS questions. topic
Posted by Kevin on 21 February, 2001 - 9:10 am
Strain Gauge Distance From Amplifier
maximum distance to locate a weigh scale amplifier from the load cell(s)?
Human-Machine Interface and SCADA. topic
Posted by Brian Seal on 21 February, 2001 - 1:26 am
Lookout Direct
looking for product review
PLCs and related questions. topic
Posted by fido on 20 February, 2001 - 9:13 pm
SIEMENS S5 UPGRADE
I have problem upgrading our 11 S5 PLC using Windows NT flatform.
PLCs and related questions. topic
Posted by Mr. Patrick So on 20 February, 2001 - 8:42 pm
Simatic S7-313 CPU fault
Looking for help with system with S7-313 CPU (MPI) communication with CP5412A2 and a RS485 repeater between CPU and CP card...
Human-Machine Interface and SCADA. topic
Posted by Gavin Goldsworthy on 20 February, 2001 - 6:57 pm
Handling Strings in WinCC Scripts
I need to manipulate a string tag
PLCs and related questions. topic
Posted by Chris Iannello on 20 February, 2001 - 5:35 pm
Creating an event log in Quantum Function Block Logic
NASA is attempting to create an event log in the Quantum which is a rolling list of the last 20 events.
Communications systems and equipment. topic
Posted by Sam Lee on 20 February, 2001 - 4:22 pm
Modbus RTU Communication problem
I am using PanelMate (from Cutler-Hammar)to communicate with ACM (Siemens-Moore's product) through Modbus RTU protocol.In this application,PanelMate acts master while ACM slave.
Application Questions and Problems topic
Posted by Joe Jansen/ENGR/HQ/KEMET/US on 20 February, 2001 - 2:25 pm
Averaging sensor
I am looking for a sensor that can read the surface of a fluid, and average the level.
PLCs and related questions. topic
Posted by Gantt Robert on 20 February, 2001 - 1:23 pm
non-isolated analog inputs
I'm going to use 1746-NI4 analog input modules with an AB SLC-5/04 to monitor 0-10 VDC signals from a few drives and transducers. No problem up to here, but ...
Open-source control projects, related links.  topic
Posted by Hugh Jack on 20 February, 2001 - 12:59 pm
New release of LPC
I have an early release of my new LPC architecture.
PLCs and related questions. topic
Posted by Mullenix, Thomas C., Celanese/US on 20 February, 2001 - 10:38 am
SLC/501 Communication to a Laptop Question
I need to hook up to a SLC/501 and hopefully make an online change to a preset in one of the counters.
Human-Machine Interface and SCADA. topic
Posted by Maria j Palacios on 20 February, 2001 - 10:20 am
Tag logging problems with WinCC
How to configure a layout of Report Desing in Wincc to create tag loggings for maintenance purposes.
Application Questions and Problems topic
Posted by Krishnakumar Kumar on 20 February, 2001 - 9:42 am
Ground temperature Measurement-LNG Pipe Line
Help with a Ground Temperature Measuring System in a LNG Pipe Line project in Middle East...
PLCs and related questions. topic
Posted by Allen Nelson on 20 February, 2001 - 8:26 am
Allen Bradley PID Blocks
Help needed in advanced care and feeding of Allen-Bradley PID blocks
Computers in manufacturing; also hardware discussion. topic
Posted by Neelima Iyer on 20 February, 2001 - 7:07 am
hardware interrupt handling in Windows
Parallel Windows functions for DOS utilities like SETVECT and GETVECT.
Continuous process industries, DCS questions. topic
Posted by Nuash on 19 February, 2001 - 10:23 pm
Control Programming of Bailey DCS
trying to find out wether the Bailey infi90 system has anything like an AM from honeywells system to code advanced control functions
PLCs and related questions. topic
Posted by A I on 19 February, 2001 - 10:31 am
Omron PID Controll Unit (C200H-PID03)
How do I access banks in my PID Controll Unit whit my PLC C200H. I need to do it in my post-graduate thesis.
Open-source control projects, related links.  topic
Posted by Curt Wuollet on 18 February, 2001 - 9:21 pm
A free service for Linux PLC listmembers
Wide Open Technologies (me) is proud to offer a new free service for potential contributers to the LPLC project. I can't afford to give you a Linux machine, but what I can do is get you up and running in a hurry. Simply contact me off-list and send a spare IDE hard drive. ...
Communications systems and equipment. topic
Posted by Michael Sing on 18 February, 2001 - 7:34 pm
Communicating to Bailey DCS INFI90 network
I need to communicate directly to a Bailey DCS INFI90 network from my PLC network. I need to go through the Bailey CIU module.
Open-source control projects, related links.  topic
Posted by Mario de Sousa on 18 February, 2001 - 2:22 pm
Scratch variables revisited
Let me just re-send a previous email of mine to try and bring the issue of arrays of linuxplc points back onto the drawing board. It seems we need to get this sorted out quickly so David can go do his thing on the IEC compiler...
Application Questions and Problems topic
Posted by Dave Sun on 18 February, 2001 - 9:25 am
AC Vector sensorless drive training
Information about vector drives
Open-source control projects, related links.  topic
Posted by Curt Wuollet on 17 February, 2001 - 12:33 pm
Brainstorming on a RLL IDE
I have spent a little time recently surveying programming tools for ladder logic. ...
Software, including programming, OS issues, etc. topic
Posted by Oscar Rueda on 17 February, 2001 - 10:20 am
WinCC's Reporting Tag Logging Runtime failure
I'm learning to work with WinCC 5.0 and I've got problems doing tag logging runtime reports
Communications systems and equipment. topic
Posted by George Thomas on 16 February, 2001 - 3:54 pm
All in one fieldbus
I noticed that Synergetic Micro Systems is moving from boards to chips with the introduction of their EC-1; an all in one fieldbus chip. ...
Continuous process industries, DCS questions. topic
Posted by Conny Karlsson on 16 February, 2001 - 2:15 pm
What is the difference between Simatic Systems and the Simatic PCS-7?
After reading through many of Siemens brochures about the Simatic range - I'm still confused about the PCS-7...
Communications systems and equipment. topic
Posted by Chrisstoffer, Herman on 16 February, 2001 - 1:15 pm
Serial line switch
I am looking for a serial line switching device which routes a single serial line either to output a or output b.
Communications systems and equipment. topic
Posted by A Boyce on 16 February, 2001 - 1:09 pm
QuickPanel Jr / S7-300
QuickPanel Jr. to Siemens S7-300
Information resources, documentation. topic
Posted by Quim_Sabat on 16 February, 2001 - 11:55 am
Modbus/TCP Conversion between float & binary
I need to convert a float to his binary representation (32 bits, intel float, in a "0" and "1" string). Anybody knows how to do it or where to find the algorithm ?
Communications systems and equipment. topic
Posted by Dennis Healy on 16 February, 2001 - 11:45 am
OPC Driver/Server Development
Need help relating to OPC driver/server development -> where to begin, which toolkit to use, interfaces that need to be defined, etc.
Sensor technologies. topic
Posted by thomas allen on 16 February, 2001 - 10:09 am
resolver vs. tach
In a paper machine drive application, what are the advantages and disadvantages in using resolvers vs tachs?
Software, including programming, OS issues, etc. topic
Posted by David Fowell on 16 February, 2001 - 8:47 am
WinCC database access by VB
Need database format and protocol info on WinCC database using VB6
Continuous process industries, DCS questions. topic
Posted by automation group on 16 February, 2001 - 5:09 am
Foundation Fieldbus or Profibus?
We are planning to use digital communication advantages for our plant. Which is acceptable to use Foundation Fieldbus or Profibus?
Communications systems and equipment. topic
Posted by Brendan Larkin on 16 February, 2001 - 1:03 am
TDC3000 CG Interface to Modbus/Profibus
Need to get data out of a Honeywell TDC2000 and TDC3000 CG on the LCN highway to Modbus or Profibus protocol
Sensor technologies. topic
Posted by Steve Myres, PE on 15 February, 2001 - 7:45 pm
Collision detection
I'm looking for a reasonably low cost sensor to detect impending collisions between two cranes running on the same ways. I must be able to apply it in a failsafe manner.
Application Questions and Problems topic
Posted by Martin Cutajar on 15 February, 2001 - 5:07 pm
Mass flow meter for tomato concentrate
Asking for advise regarding a mass flow sensor suitable for a tomato concentrate line.
Application Questions and Problems topic
Posted by P. Karuppasami on 15 February, 2001 - 5:05 pm
Low flow rotameters
We need to install rotameters with the range as low as 1 - ml/min.
Application Questions and Problems topic
Posted by Rick Hudson on 15 February, 2001 - 5:03 pm
Vision System - Edge/Line Detection
Looking for a optical system which can scan a surface area approximately 4 cm X 4 cm ...
Application Questions and Problems topic
Posted by Michael Griffin on 15 February, 2001 - 4:03 pm
Press force monitoring
We have recently been evaluating force vs. distance press force monitoring instruments to see if we want to switch from the product we have been using.
Information resources, documentation. topic
Posted by Jim Pinto on 15 February, 2001 - 3:38 pm
JimPinto.com eNews 14 Feb 01
JimPinto.com eNews 14 Feb 01 - on the Web: http://www.jimpinto.com/enews/feb14-2001.html
Motion control, servos, steppers, etc. topic
Posted by K. Clendenen on 15 February, 2001 - 1:19 pm
Encoders
Searching for a 4-20mA encoder
Software, including programming, OS issues, etc. topic
Posted by Per Thygesen on 15 February, 2001 - 12:34 pm
OPC and DOTNET
What is the future of the OPC specifications in the the light of Microsoft's new .Net initiative?
Application Questions and Problems topic
Posted by Salai Kuberan E S, Manager/C&I on 15 February, 2001 - 9:45 am
Current Transducer
Where to find a Current Transducer with following spec ...
Communications systems and equipment. topic
Posted by Danijel Vidovič on 15 February, 2001 - 9:16 am
ControlView S5 driver
I need S5 driver for ControlView SW.
Engineering and workplace issues. topic
Posted by Ian on 15 February, 2001 - 8:26 am
JIC Standards
Can anyone recommend a web site with this information or a book detailing the JIC Standards for Electrical Drawings.
Application Questions and Problems topic
Posted by Eness on 15 February, 2001 - 6:33 am
How to interface MCC with PLC
what commands are required to be sent to MCC from PLC and what it receives from MCC .
Human-Machine Interface and SCADA. topic
Posted by Jury Efremov on 15 February, 2001 - 4:55 am
Large screen (about 2x3 m)
Large screen.
Application Questions and Problems topic
Posted by Rickard Akesson on 15 February, 2001 - 2:27 am
Flow-divider
To divide a fluid in to 4 equal parts
PLCs and related questions. topic
Posted by CHRIS THANOS on 14 February, 2001 - 11:19 pm
Software/hardware interface help for a newbie!!!!
Need some help with software and hardware interface: Hardware (A-B PLC-5), (A-B PCMKI card B) Software (RS 6200 PLC-5 VERS 5.2 and RSLINX LIGHT VERS 1.7) running on Second Edition WIN 98.
Open-source control projects, related links.  topic
Posted by Curt Wuollet on 14 February, 2001 - 8:28 pm
Embedded Linux Journal article on Puffin PLC...
Hi all. This is important and is for a technical audience: request from an editor at Embedded Linux Journal
Communications systems and equipment. topic
Posted by Sam Lee on 14 February, 2001 - 6:46 pm
Modbus RTU Communication problem
I am using PanelMate (from Cutler-Hammar)to communicate with ACM (Siemens-Moore's product) through Modbus RTU protocol.In this application,PanelMate acts master while ACM slave.
Communications systems and equipment. topic
Posted by Ronald Nijssen on 14 February, 2001 - 3:27 pm
Honeywell S9000 Ethernet protocol
I am looking for information on the Honeywell Plantscape S9000 CPU, Ethernet protocol. Is this Modbus, or Open Socket communication with a defined Task code set? ...
PLCs and related questions. topic
Posted by Imran on 14 February, 2001 - 2:17 pm
Pump Control System
Maintaining pressure in line of pumps
PLCs and related questions. topic
Posted by Mehmet_Ilker_YILMAZ on 14 February, 2001 - 11:24 am
S5 CPU921 CPU "PAA" fault
What is fault code "PAA" on S5 135 PLC, and what are possible causes?
Information resources, documentation. topic
Posted by Walt Boyes on 14 February, 2001 - 11:14 am
Another giant enters the information wars
Schlumberger, the energy and instrumentation giant is reportedly near an agreement to buy Sema PLC, a London-based information technology services company for about $5 billion. ...
Information resources, documentation. topic
Posted by giri on 14 February, 2001 - 11:12 am
Profibus Protocol Specifications
Where can I get the complete Profibus Protocol Specifications/Architecture? ...
Sensor technologies. topic
Posted by Rick Hudson on 14 February, 2001 - 10:42 am
Low cost prox sensor
I would like information on a small, low-cost (in quantities of 100) prox sensor capable of counting gear teeth.
Information resources, documentation. topic
Posted by CEPRONI, Frank Ma Piti on 14 February, 2001 - 10:06 am
Electrical Information or list
I need to know if exist any electrical List and if there are any, What is its address?
PLCs and related questions. topic
Posted by Drew Harpe on 14 February, 2001 - 9:46 am
1746-NR4 RTD Module
We have had power interruptions 8 sec. apart. After these interruptions the rtd reading was 10 degrees higher than actual temperature. After cycling power for 5 sec. the reading was correct. ...
Engineering and workplace issues. topic
Posted by Allen Nelson on 14 February, 2001 - 8:19 am
An Ethical Question
An ethical question regarding PLC code "ownership", and how to determine it.
PLCs and related questions. topic
Posted by Mike Leaman on 14 February, 2001 - 7:39 am
JAG Plc Info Required
I'm looking for information regarding a JAG.PCS2 Plc, which is at least 10 years old. The unit is interfacing between a Siemens 115U 944B and a monitor for the displaying of information and messages on a can filling line.
Sensor technologies. topic
Posted by Norm Fong on 13 February, 2001 - 11:35 pm
Honeywell Transmitters and DE Protocol
digital vs analog
PLCs and related questions. topic
Posted by Nucciarone, Joe on 13 February, 2001 - 12:41 pm
s5 output
I've encountered something funny with a siemens S5 135u cpu928a plc.
Sensor technologies. topic
Posted by John Schaffer on 13 February, 2001 - 11:15 am
RF Vacuum Transmitter
Looking for a compact sensor to measure vacuum in multiple "Rotating" chambers.
Application Questions and Problems topic
Posted by Andre Pablo G. Fausto on 13 February, 2001 - 9:34 am
small rtu......
Looking for other small RTU with 1 or 2 4-20mA analog input, to be used as part of a flood forecasting system for rain gauge and water level measurement at various sites. ...
PLCs and related questions. topic
Posted by heather on 13 February, 2001 - 9:14 am
Siemens s5-100u series vs. s5-115
Analog (j-type)compensation not working in Siemens s5-115 system(swaying wide). Are there special operations/functions for this processor that are different from s5-100 series(i have that manual)?
Communications systems and equipment. topic
Posted by Jody Gallant CET on 13 February, 2001 - 8:57 am
Mitsubishi FX2N - RS485 commands
RS485 commands from a mitsu PLC
Communications systems and equipment. topic
Posted by Shantanu Apte on 13 February, 2001 - 4:00 am
Interchangeability of Automation Devices
In near future, will we be able to build a plant level automation by seamless integration of PLCs , CNCs , Servos , Motion Controllers Of different manufacturers without worrying about compatibility issues ? ...
Communications systems and equipment. topic
Posted by Jeff Dean on 12 February, 2001 - 4:14 pm
Tower of Babel - Ethernet protocols, was HMI, SOFT: Where do we go from here?
While this is not strictly an HMI/Software question, it seems to relate to the "tower of babel" problem that has been touched on in previous few messages. ... What about the emerging standards for "scheduled" or "real-time" Ethernet protocols? ...
Application Questions and Problems topic
Posted by IP OMER BIN ABDUL AZIZ on 12 February, 2001 - 3:36 pm
HART at well-heads
Does anyone have any experience with HART configurations at places such as oil or gas wellheads? ...
Information resources, documentation. topic
Posted by Walt Boyes on 12 February, 2001 - 3:09 pm
ISA Standards
You will all remember the discussion about ISA standards we had a while back. I would like to tell you what the result of that and other discussions were. ...
PLCs and related questions. topic
Posted by S2 on 12 February, 2001 - 2:43 pm
AB RSLogix500 averaging values
On the AB RSLogix500, is there a quick way to determine the average of multiple points (integers)?
Computers in manufacturing; also hardware discussion. topic
Posted by Ranjan Acharya on 12 February, 2001 - 11:17 am
APACS
I have not personally used APACS before (other DCSs such as ABB MOD300 and lots of PLCs / SCADAs / HMIs), and want to hear about people's experiences. ...
PLCs and related questions. topic
Posted by SANTHIRAJ on 12 February, 2001 - 10:19 am
PLC COMPATIBLE SMOKE DETECTORS
Please get me URLs of smoke detectors which are PLC compatible..
Human-Machine Interface and SCADA. topic
Posted by Eric_Vasener on 12 February, 2001 - 10:00 am
GE Fanuc Frameworx?
I work in France and only a few industries use softplc. I tried Frameworx fxview/fxcontrol . What do you know about this product? I need Modbus communication and Interbus for my application. Do you recommend me other products?
Engineering and workplace issues. topic
Posted by senthil kumar C. on 12 February, 2001 - 6:30 am
combining failure data information
I have two subsystems of which one has no. of failures per demand and another has a failure rate per hour. Now how to compute the system failure?
Human-Machine Interface and SCADA. topic
Posted by deenjohn on 11 February, 2001 - 11:25 am
HMI which can comm over RS485 directly
I am in look out for any HMI vendor who can offer me a HMI with LCD display and can communicate over RS485.
Engineering and workplace issues. topic
Posted by VEDA on 11 February, 2001 - 3:49 am
testing a thyristor (SCR)
testing of scr
PLCs and related questions. topic
Posted by Anibal Hernandez on 10 February, 2001 - 10:36 am
PLC on a motorized wheelchair
If I install a PLC on a motorized wheelchair...
Motion control, servos, steppers, etc. topic
Posted by derek on 10 February, 2001 - 7:30 am
Find ac motor control ic
I need to find ac motor control ic ?
PLCs and related questions. topic
Posted by Andrew Burden on 9 February, 2001 - 6:01 pm
Retrieving AB SLC 5/05 program/ladder diagram?
I need access to the control/programming logic of and AB SLC 5/04. I do not have the RSLogix or PLC-500 A.I. series software. I am not interested in changing the program, just viewing/analyzing for future optimization.
PLCs and related questions. topic
Posted by CK on 9 February, 2001 - 4:13 pm
Importing ProWORX NxT info into Concept
I'm looking for away to import the documentation (symbols, comments, etc) from a ProWORX NxT program for a Modicon Quantum PLC into their other programming package, Concept. Documentation is lost when I send the program to the PLC in ProWORX and upload it in Concept...
Communications systems and equipment. topic
Posted by David Bergeron on 9 February, 2001 - 3:55 pm
GE Series 6 OPC Server
Does anybody know of an OPC server that will communicate with the old GE Series 6 PLC?
Communications systems and equipment. topic
Posted by Neil Firmin on 9 February, 2001 - 3:36 pm
Fibre based Ethernet networks for PLC's Info sources
We have a extensive AB DH+ network running over several km's utilising armoured DH+ cable and AB Fibre optic repeaters in a copper to copper repeat mode. We are looking at the possibility of upgrading our PLC 5's (5/25,5/30,5/40's and SLC 5/04's) to ethernet with side car or new PLC5 "E" processors (not that keen on the Control Logix platform). I am looking for some good "independent" sources of information on ethernet networks run on Fibre based cable ...
Communications systems and equipment. topic
Posted by James Swanson on 9 February, 2001 - 2:39 pm
Prosoft DNP 3800 to AB PLC 5/40
Having difficulties with BTW timeouts on interface between PLC 5 and DNP 3800 Module
Communications systems and equipment. topic
Posted by Leroy Brown on 9 February, 2001 - 11:01 am
4-wire Modbus ASCII net to keyup the radio
We have 3 devices (2 GE Horner slaves and CAC 5600 RTU) talking Modbus ASCII over 4 wire RS485 network. Client wants to add a radio (MDS1000) for communication with the SCADA system. How to key the radio? ...
PLCs and related questions. topic
Posted by M. Richards on 9 February, 2001 - 10:41 am
Connecting Mitsubishi PLC to stepper
I would like information on connecting the Mitsubishi Programmable Controller model # F1-12MR-ES to a stepper motor. Help!
Engineering and workplace issues. topic
Posted by veda on 9 February, 2001 - 8:51 am
web site for electrical doubts
electrical questions - web resources?
Engineering and workplace issues. topic
Posted by veda on 9 February, 2001 - 8:48 am
On-load tap changing transformer
Can any one of you clarify this doubt. When winding between two taps will experience any problem like circulating current or anything else? ...
Engineering and workplace issues. topic
Posted by Cory Schaeffer on 9 February, 2001 - 5:13 am
DIN vs. NFPA Conductor Sizing
Machine manufacturer disagrees with us on safe conductor sizing...
Software, including programming, OS issues, etc. topic
Posted by MFabrice on 8 February, 2001 - 4:00 pm
MODBUS RTU ocx
Where can i find an MODBUS RTU ocx free without any expiration
Motion control, servos, steppers, etc. topic
Posted by Donald Pittendrigh on 8 February, 2001 - 3:58 pm
Woodchipping plant
Any woodchipping plants using a Variable Speed Drive for the chipping motor?
Continuous process industries, DCS questions. topic
Posted by Petter Sandgren on 8 February, 2001 - 2:24 pm
ABB Advant OPC server for AC100 & AC400 series
Timestamps in ABB OPC server for Advant Fieldbus 100.
Communications systems and equipment. topic
Posted by Ric Peterson on 8 February, 2001 - 12:15 pm
I need a multi-port Modbus to MB+ Bridge!
I have an application with 20 to 30 modbus devices that I would like to get onto a modbus plus network.
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