Posts from...
Friday, February 14, 2003
Topic: Communications systems and equipment.
from the custom reporting department...
Exchange tag values between RSView & MS Access
Originally posted by sreedevi gummadi on 13 February, 2003 - 10:08 am
trying to exchange tag values between RSView32 and MS Access 2000
New Replies:
This is kind of a stretch, but I think it might be useful: Consider reading Chapter 16,...
Topic: Application Questions and Problems
from the Automation List department...
RTD - Signal Splitter
Originally posted by Sumeet Chimalkar on 12 February, 2003 - 11:05 am
Does anyone know who can supply a RTD signal splitter?
New Replies:
Check for www.ziehl.de...
Per se RTD signal cannot be easily split. You can either put a head mounted transmitter to convert...
Topic: Local and wide area networking in factory automation.
from the Fault Tolerance department...
ABB Symphony Cnet Specifics
Originally posted by JunglePig on 28 January, 2003 - 7:04 pm
How do I make ABB Cnet fault tolerant?
What exactly is Cnet, anyway?
New Replies:
Hi, There are a number of technologies that Bailey/ABB uses within the Symphony DCS. The...
Topic: Local and wide area networking in factory automation.
from the Automation List department...
Industrial Hubs
Originally posted by Mark Riche on 12 February, 2003 - 11:20 am
Does anyone have any recommendations for industrial ethernet hubs possibly dc powered.
New Replies:
You may want to consider using an industrial Ethernet switch instead of a hub. Industrial Ethernet...
By Donald Pittendrigh on 14 February, 2003 - 3:29 pm -
Hi All Sixnet - http://www.sixnetio.com/html_files/products_and_groups/ethernet.htm ...
By William Delatorre on 14 February, 2003 - 2:49 pm -
At www.ab.com go to Emcompass (right side down) then search the database and your're going to find...
I have been using 'plain vanila' Netgear hubs for a mission critical system. We have millions of...
You DO NOT want hubs. You DO want switches. Look here: http://www.hirschmann-usa.com/ ...
We are using Hirschmann RS2-5TX Industrial rail mount switches. These are 5 * 10/100 MBit ports, 24...
We have had good luck using the "EtherTrack" DC powered switches from Sixnet....
Siemens has some good ones. Check this link out. ...
Try RuggedCom at: http://www.ruggedcom.com Regards, Ralph Mackiewicz SISCO, Inc....
I have used Sixnet. I think that Scheiner Automation also sells them....
Topic: PLCs and related questions.
from the Addressing analog input department...
Addressing analog input cards in RS-logix 500
Originally posted by Steve on 8 February, 2003 - 12:00 pm
I am trying to find out how to address a 0-20ma tranducer to a AB input card...
New Replies:
Les, In defense of Joe, I didn't detect anything pompous. If anything, there's a sense of being...
Topic: PLCs and related questions.
from the I'm new in this area... department...
Siemens S7-300
Originally posted by chilu_ba on 13 February, 2003 - 6:33 am
where can i get ladder logic software for programming a siemens STEP 7 300...?
New Replies:
The ladder logic editor is built into Step 7. So when you purchase Siemens Step 7- it is included....
Siemens S7-300's require Simatic Step 7 software and unfortunatly there's no free/demo software...
s7-300 using step7 5.1, but it is not free. good luck !...
type www.siemens.com into your browser, press return, then, type step7 into the search box, then...
Topic: Engineering and workplace issues.
from the electrical department...
why some motors star point earthed?
Originally posted by jatinder dua on 11 February, 2003 - 9:21 am
Some motors have star point earthed. Why?
New Replies:
Responding to Mike's Thu, Feb 13, 9:48pm, comment: Sorry, but I disagree! If the wye-point of...
Topic: Communications systems and equipment.
from the Telecom department...
Long Distance SCADA
Originally posted by Anonymous on 23 January, 2003 - 2:18 pm
Need for Pipeline SCADA fiber optic communications. Distances up to 70Km.
New Replies:
Manny, I have in the past used Hirschmann equipment, particularly the hubs in the fiber...
Topic: Communications systems and equipment.
from the Automation List department...
RS Logix-Rs500 via PCMCIA /RS 232 interface on Windows XP
Originally posted by ebberdeen on 11 February, 2003 - 10:11 pm
Communication with the Allen Bradley PLC's
New Replies:
I am also using a Dell Inspiron but are you using the PCMCIA card/RS232. The Inspiron I have does...
As a matter of fact Im using rslogix 500 with windows xp, but I tried to install version 5.0 and I...
I can run the DF1 driver on USB or PCMCIA expansion cards that add COM ports to my Windows 2000 or...
Topic: PLCs and related questions.
from the plc programming department...
indexed addressing for control logix
Originally posted by Tiger on 11 February, 2003 - 9:52 pm
looking a way to index on control logix
New Replies:
My understanding of indexed addressing is that it's just a flavor of indirect addressing, where the...
Many of the instructions that are used for functions that require indexing use a CONTROL tag (eg...
Use indexing the same way as in 5's You have to set up tag "Array's" to be indexed...
Topic: Sensor technologies.
from the Little help here department...
Modifying a digital thermometer to beep at specific temp
Originally posted by Anonymous on 12 February, 2003 - 3:45 pm
I want to take an off the shelf digital thermometer or build a cheap one to be able to beep at a specific temp.
New Replies:
Just buy an LM34(Fahrenheit) or LM35(Celcius). They cost about $2 each. They give an analog ...
You didn't specify your desired temperature range, But if you go to EXTECH.COM your heart will go...
Dear all, The basic circuitry would be a voltage comparator driving a small 'beeper'. If the...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
timing chart
Posted by Anonymous on 14 February, 2003 - 5:51 pm
how do you create a timing chart
Topic: PLCs and related questions.
from the Configuring 1769 dnet module on compact logix department...
First time Compact Logix User
Originally posted by Dane Thurston on 13 February, 2003 - 10:42 am
I have a compact logix processer which uses a 1769 dnet card...
New Replies:
Follow this link to view the compactlogix user manual and see page 6-10. ...
Topic: PLCs and related questions.
from the None department...
plc for smoker oven
Originally posted by Hanan on 21 January, 2003 - 1:14 pm
new to plc. trying to install one for oven smoking proccess
New Replies:
Hanan, I have programmed a plc for a client doing something similar, it had a rotating set of...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
Operating Blind on a DCS
Originally posted by Rob Bronson on 9 January, 2003 - 6:56 pm
Failure of networks and/or operator stations that result in all loss of view of the process is clearly not acceptable. Is this occuring more often now that we are using "third party" PCs?
New Replies:
Dear Forum Members, The Loosing of the Operator Screens were happened in our unit more than ten...
Topic: Programming languages.
from the power basic language department...
Power meter readings
Originally posted by Bruce Meissner on 8 February, 2003 - 11:13 am
Looking for basic code to get data value...
New Replies:
I'm not using a PLC. The power analyzer will talk directly to an IBM PC via RS232/485 interface....
Topic: Motion control, servos, steppers, etc.
from the Automation List department...
Siemens Regulator Board Needed
Originally posted by Brian Donaldson on 12 February, 2003 - 10:53 am
Need a regulator board for Siemens DC Drive
New Replies:
Contact Electrical South repair services, WWW.ELSOUTH.COM They may be able to find a rehabed...
Brian, I know you will get 15 responses like this but.. Why dont you consider putting in a new ...
Topic: PLCs and related questions.
from the Analog scaling department...
AB Micro 1200
Originally posted by Subroto on 13 February, 2003 - 12:52 pm
Scaling analog input in Micrologix 1200
New Replies:
Depending on the Engineering units and acuracy that you desire… You could use an implied decimal...
Topic: PLCs and related questions.
from the SCADAPack department...
TelePACE Ladder Logic Tag Name Import
Posted by Jon on 14 February, 2003 - 5:21 pm
I need help with importing tags in TelePACE...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Protool scripts
Originally posted by Rodrigo on 13 February, 2003 - 10:41 am
How to write a script for a protool application for archiving tags?
New Replies:
There is no need to write scripts to perform this function, they are already included as standard...
Topic: Human-Machine Interface and SCADA.
from the Open for discussion department...
GE Acquiring Intellution - Its pros and cons
Originally posted by Jayaharan C J on 6 November, 2002 - 2:47 pm
You are all aware that GE-FANUC has taken over world leader Intellution. Can I have the view of the possible pros and cons on this issue from the user end...
New Replies:
This is a huge mistake no matter how that you look at it. Acquisitions in general are very hard to...
Topic: PLCs and related questions.
from the confused department...
Modbus PLC?
Originally posted by Dan on 12 February, 2003 - 3:24 pm
Does modbus make a PLC?
New Replies:
No, Modbus does not make a PLC. But, the company that invented the PLC and developed Modbus...
I'm sorry, Dan, but you are way off. This is a bit like asking if Ethernet makes copiers. ...
The MODICON Programmable Controller was one of the first PLC's in the world - it introduced ladder...
Modbus is a communications protocol originated by Modicon which is now part of Schneider...
No, just as Data Highway does not make PLCs or TCP/IP does not make PCs. You may be confusing...
By Darrell Wrubleski on 14 February, 2003 - 12:49 pm -
Modicon Was the company that came up with the Modbus Protocol many moons ago. It is now Schneider...
You can quote me on that, www.modbus.org. Modicon started Modbus....
Modicon is the company you're thinking of, I believe Modbus was their communication standard. (dont...
At last check they did not. Modbus was the data transfer protocol for the company Modicon. They...
Topic: Local and wide area networking in factory automation.
from the Automation List department...
Remote Access thru Firewalls
Posted by JoeM on 14 February, 2003 - 4:29 pm
We are installing Wonderware Intouch systems in utility facilities and require remote access...
Topic: Engineering and workplace issues.
from the Automation List department...
VFD & SOFT STARTER
Posted by Anonymous on 14 February, 2003 - 4:27 pm
Which is best starter to avoid water hammer
in pipeline VFD or soft starter?
Topic: PLCs and related questions.
from the Automation List department...
Siemens MPI Network
Originally posted by Anonymous on 11 February, 2003 - 9:48 pm
Requirements (hardware and/or software) to use MPI for peer communications between multiple PLC's and PC's.
New Replies:
you can use cp5611 card for dest computer! MPI network is cheap and convenient. distance is a...
By Jesper M. Pedersen on 14 February, 2003 - 1:04 pm -
Hi anonymous, you will need a CP5611 PCI card, altenatively you can use a Serial MPI cable...
Topic: Application Questions and Problems
from the Engineering department...
Oxygen Analyser calibration and slope Checking
Posted by Ravindra on 14 February, 2003 - 4:23 pm
Oxygen Analyser Calibrated for Nitogen as zero Value and Atmospheric Pressure as 20.9, does we get the liner slope through out the range measurement...
Topic: PLCs and related questions.
from the newbie department...
need pump control program
Posted by ll coolclay on 14 February, 2003 - 4:07 pm
Rookie programmer needs help with pump control...
Topic: The Business of Automation and Control
from the Automation List department...
Siemens Simatic partner benefits?
Originally posted by Tom on 13 February, 2003 - 6:38 am
what are the benefits of becoming a Siemens Partner for Simatic
New Replies:
should not be like that. Gerrie electric is Siemens distributor!...
By Donald Pittendrigh on 14 February, 2003 - 3:26 pm -
Siemens AG does have a Partner program and in my country it has a VAR program as well, there are...
Topic: Communications systems and equipment.
from the Automation List department...
Replacement for Johnson Controls cable pro
Posted by Robert Cook on 14 February, 2003 - 3:50 pm
does anyone have a diagram for a rs-485 convertor that will talk on the Johnson controls N2 bus...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Demo version of SCADA software needed
Originally posted by Anonymous on 28 January, 2003 - 2:10 pm
industrial data communication and scada
New Replies:
By Donald Pittendrigh on 14 February, 2003 - 3:16 pm -
InTouch, Citect and WinCC all run in demo mode if you don't have the necessary licences/dongles,...
www.afcon-inc.com Afcon's SCADA has a free download version of P-CIM. I know of more then a few...
Topic: Communications systems and equipment.
from the Automation List department...
Modicon multidropping with fix32 as MMI ??
Posted by Avinash Mali on 14 February, 2003 - 2:54 pm
I am using Modbus Ethernet to Modbus protocol converter of Modicon (174 cev 300 10)...
Topic: Sensor technologies.
from the Automation List department...
Precision Shunt Resistor Sizing
Originally posted by Randy on 11 February, 2003 - 9:51 pm
I plan to use a precision shunt resistor to convert 4-20mA to 1-5VDC. I know I need a 250ohm resistor. How do you determine the wattage of the resistor?
New Replies:
By George Barraclough on 14 February, 2003 - 2:53 pm -
Power (Watts) is given by I*I*R = 0.02*0.02*250= 0.1 Watt...
Just apply Ohm's law P=I2 x R. P = 0.02A x 0.02A x 250 ohms This gives a value of 0.1 or 1/10...
5VDC * 20mA = 100 mW = 1/10 watt...
from http://members.tripod.com/~oltruck/elec/basicdc.htm#watt P = I x E Where P = Power...
Topic: Application Questions and Problems
from the Instrumentation & Control department...
Query on 4-20mA output calculation in DP Tx
Posted by GB on 14 February, 2003 - 2:51 pm
My application is flow measurement using DP Tx...
Originally posted by Isaac Sávio on 27 December, 2002 - 11:31 am
I need some help to develop a driver for communication with 8051 and SCADA Elipse software. I don´t have any experience!!!
New Replies:
Hi Yes, there's a driver to 8051. Write a e-mail to suporte@elipse.com.br daniel...
Topic: Communications systems and equipment.
from the Automation List department...
Protocol IEC 61107 for metering
Originally posted by ivan.lorencin on 5 December, 2000 - 9:56 am
Need information about the protocol IEC 61107
New Replies:
Sorry, Ivan, I am Ivan as well. Your question is easily answered: either IEC 61107 or IEC 1107 is...
Topic: Sensor technologies.
from the Automation List department...
Measurement for H2SO4
Posted by Nuno Torrado on 14 February, 2003 - 2:40 pm
Need a sensor for measuring level of H2SO4 in a tank...
Topic: Continuous process industries, DCS questions.
from the Automation List department...
ALARM LOGGING
Posted by Mihir Ramkrishna on 14 February, 2003 - 2:37 pm
Does any one carry out alarm logging in CENTUM CS DCS...
Topic: Communications systems and equipment.
from the communications department...
Honeywell DCS Communications
Originally posted by dharamvir kaushal on 12 November, 2002 - 12:11 pm
i want to communicate TDC3000 DCS from honeywell with AFCON PCIM, please suggest me
New Replies:
Afcon software & Electronics is a software company, P-CIM is their SCADA/HMI software...
Topic: Sensor technologies.
from the department...
SF6 Pressure transducers
Originally posted by Jim Cai on 5 August, 2002 - 1:55 am
SF6 Pressure transducers for substations
New Replies:
Please contact following address for more information you need. samsawon@samsawon.co.kr Regards, ...
Topic: Communications systems and equipment.
from the Automation List department...
Modbus Ethernet on Linux Platform
Originally posted by Neil Whatley on 7 February, 2003 - 7:31 pm
I need to communicate process parameters (via Modbus Ethernet) to a third party analysis application which runs on Linux...
New Replies:
I am not sure whether you are looking for simple MODBUS on Ethernet or MODBUS TCP .MatPLC , has...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Roll your own HMI
Originally posted by TConnolly on 31 January, 2003 - 1:34 pm
Looking for input from anyone who has written their own HMI in VB or VC++.
New Replies:
On February 11, 2003 12:29 am, Rokicki, Andrew wrote: <clip> > I just started to write...
Topic: Engineering and workplace issues.
from the Automation List department...
Restriction orifice
Originally posted by Jangsang Lee on 10 February, 2003 - 5:14 pm
How can I divide stream to two branch line equally using a restriction orifice.
New Replies:
A sonic or critical flow nozzle can be used for this purpose. This assumes you will have an...
Topic: Local and wide area networking in factory automation.
from the Automation List department...
Siemens CP5511 and Windows XP
Originally posted by Max Penninger on 1 February, 2003 - 11:29 am
My CP5511 does not run with Windows XP...
New Replies:
CP5511's driver do not support Windows xp...
Topic: Software, including programming, OS issues, etc.
from the Automation List department...
Servo To Go Device Driver for Real-Time Windows Target
Posted by Toh T S on 14 February, 2003 - 1:41 pm
Servo To Go Device Driver for C-Mex S-functions to be used for Real-Time Windows Target version 2.2...
Originally posted by sergio pino on 15 January, 2003 - 11:32 am
i would like to know which is better to measured the composition in continuous of a mixture ethylengycol-water: the viscosity or the density?
New Replies:
By Willem van Ballegoijen de Jong on 14 February, 2003 - 1:06 pm -
If the ethylene glycol is a binary mixture with water, the concentration measurement with an...
Topic: PLCs and related questions.
from the BamdadCo. department...
Selection of Siemens PLC
Originally posted by M. H. Mahoor on 10 February, 2003 - 11:56 am
What is criteria for selection of Siemens PLC (S7-300) when I have Closed loop Control?
New Replies:
By Jesper M. Pedersen on 14 February, 2003 - 1:05 pm -
Hi Mahoor, you should consider the S7-300 CPU's of the recently released C versions. They have...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Magelis
Posted by Kashif on 14 February, 2003 - 1:03 pm
I have a PLC TSX P47 with XBTA721010. The terminal is out of order and I want to replace the same with XBTP021010...
Topic: Application Questions and Problems
from the department...
iec 60870-5-101 protocol
Originally posted by Anonymous on 16 January, 2003 - 12:56 pm
what is the physical level difference btw unbalanced and balanced transmission using iec 60870-5-101?
New Replies:
By Prasanth Gopalakrishnan on 14 February, 2003 - 1:01 pm -
Balanced transmission is more synchronous transmission, where as un-balanced is more suited for...
Topic: Continuous process industries, DCS questions.
from the PID Loop Tuning department...
Loop Tuning Algorithms for Direct Fired Furnaces
Originally posted by Carlos Quiroz on 12 February, 2003 - 12:10 pm
Does anyone know a good model for tuning a PID control loop in a direct fired furnace?
New Replies:
Please take a look at http://www.iqsoftsecure.ca/tutorials.html...
Topic: Application Questions and Problems
from the I'm not a motor guy department...
120VAC MOTOR
Originally posted by Jake Thompson on 11 February, 2003 - 2:12 pm
Need info for wiring a 120vac motor.
New Replies:
I connect the neutral to line1; but nothing will change if you connect the neutral to line2. To...
Split phase, iirc, means that a capacitor is used in the line to induce a phase differential...
Topic: Application Questions and Problems
from the Automation List department...
Interaction modeling
Posted by Anonymous on 14 February, 2003 - 12:59 pm
Model interaction of two VCM actuators placed in the same base from frequency response...
Topic: Motion control, servos, steppers, etc.
from the Automation List department...
DC motor position drives aka servo amplifiers
Originally posted by David on 7 February, 2003 - 5:50 pm
Trying to find a "servo amplifer" that using a quadrature encoder (prefer) or a potentiomater for feed back would drive a DC or servo motor to a position based on an input signal...
New Replies:
You could look at my BAI single-axis drive/controller for brush or brushless motors....
Topic: Motion control, servos, steppers, etc.
from the department...
LM629
Originally posted by Fernando on 19 December, 2002 - 8:18 am
Has anyone ever made or known someone that has made a Motion Controller with a pic and an LM628 or lm629?
New Replies:
Hi, How can i contact you?? i am interested in your C programs... email me at uyen206@yahoo.com. ...
Topic: PLCs and related questions.
from the what are they if any department...
PLC wiring standards
Originally posted by bkief on 10 December, 2002 - 1:06 pm
Are there industry recommended standards for wiring PLC's? Ex. analog input would be xyz color and and digital input would be abc color...
New Replies:
> ..... 1770-in041 a-en-p.pdf.....> Has anyone been able to find this file at A-B or...
Topic: Sensor technologies.
from the None department...
laser sensor
Originally posted by Danial Kahani on 17 December, 2002 - 11:44 am
need a laser sensor
New Replies:
you might try www.omron.com thay have laser sensors that should fit the bill. ihave used keyence...
Topic: Application Questions and Problems
from the Automation List department...
VHMI AB DRIVER
Originally posted by Gary on 12 February, 2003 - 10:54 am
I was wondering if any of you have used the DF1 driver from vhmiautomation.com. I'm able to download only the first value when running the project...
New Replies:
Have you tried setting: abdf1.Memory_LengthInWords = 2 (or 3,4,5,6...)? Mike...
Topic: Engineering and workplace issues.
from the who fuses each output department...
To Fuse or Not to Fuse
Posted by David Plourde on 14 February, 2003 - 12:46 pm
Opinions on fusing each PLC output...
Topic: PLCs and related questions.
from the Automation List department...
Windows based application for programming TSX17 PLC's
Originally posted by conrad verplancke on 11 February, 2003 - 2:42 pm
looking for a windows based app to program old TSX 17s
New Replies:
There is no such thing. The TSX17 has been obsolete for so many years that they never created...
Topic: Information resources, documentation.
from the Comparisons department...
Gas Flow
Posted by Ernest Scott on 14 February, 2003 - 12:22 pm
Please help me compare the difference between gas flow in a 4 inch plus 8 inch pipe to that of a 12 inch pipe.
Topic: Communications systems and equipment.
from the Looking for Some Info department...
Allen Bradley PLC2 - Cables and Comm
Posted by mike on 14 February, 2003 - 12:22 pm
I'm looking for information on connecting to the programming port on an Allen Bradley PLC 2/05 processor...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Fix to Intouch Conversion
Originally posted by Pierre Boucher on 9 February, 2003 - 12:04 pm
I need to convert a Fix app to Intouch...
New Replies:
Why in the world would you want to convert to Blunderware???...
Topic: Application Questions and Problems
from the Automation List department...
Switching from DC drive/motor to AC drive/motor
Originally posted by RS on 10 February, 2003 - 11:54 am
Planning to switch from DC drive based systen to AC drive.
New Replies:
Most drives can be configured for full torque at 0 speed or almost no torque at high speed...
Topic: PLCs and related questions.
from the Medoc window too small department...
using Medoc(Mitsubish) on windows XP
Originally posted by steven crowther on 29 December, 2002 - 11:27 am
when running Medoc (not windows version) on XP it works ok but only on a small window...
New Replies:
Hi I loaded Melsec Medoc 2.3 on two new laptops which has Windows XP but could not get comms to...
Topic: PLCs and related questions.
from the Automation List department...
S5 COMTEXT
Originally posted by Michael on 11 February, 2003 - 1:49 pm
Siemens OP5/CPU103
New Replies:
By Gabriele Corrieri on 14 February, 2003 - 11:51 am -
Hi Michael, contact me freely, I can send you a Winzip archive with all FB for OP under S5, but I...
Topic: Application Questions and Problems
from the Automation List department...
PC Based Board Level Controller
Posted by Arnold Dillon on 14 February, 2003 - 11:42 am
I recently ran across a specification requiring a stand alone control board installed in a personal computer that was able to be custom programmed much like a PLC...
Topic: PLCs and related questions.
from the Automation List department...
Quantum to Magelis communication
Posted by Martin Roberts on 14 February, 2003 - 11:34 am
Problems communicating with lower spec PLC's via modbus...
Topic: Communications systems and equipment.
from the Modem Communications department...
Modbus RTU using V.92 modems
Posted by Ted Bunnell on 14 February, 2003 - 10:50 am
Has anyone successfully used a V.92 modem as a Modbus RTU master to talk with a slave PLC.
Topic: Local and wide area networking in factory automation.
from the Computer engineering department...
Modbus protocol with RS485
Originally posted by Mohit on 12 February, 2003 - 10:31 am
How to use Modbus Protocol with RS485
New Replies:
Get all the information here: http://www.modbus.org/ Modbus Standard Library Meir...
Topic: Human-Machine Interface and SCADA.
from the Technical Support department...
Problems communicating with Siemens TD10
Posted by Mike Burlingame on 14 February, 2003 - 10:43 am
Uploading configuration from Siemens TD10 text display...
Topic: Computers in manufacturing; also hardware discussion.
from the Automation List department...
MODBUS Interface
Originally posted by Jim Butler on 7 February, 2003 - 2:33 pm
Need to make a PC behave like a MODBUS device.
New Replies:
By Automation Corner on 14 February, 2003 - 10:43 am -
You can use an ActiveX control or a dll Modbus in order to integrate it on your Code....
Topic: Local and wide area networking in factory automation.
from the Automation List department...
AB TCP togo wireless
Originally posted by Mark Ray on 12 February, 2003 - 12:31 pm
Has anyone had any experience using AB TCP on a palm pilot or similiar device to make a wireless connection to an AB plc network?
New Replies:
First of all the Ethernet protocol that AB uses is not TCP it is called Ethernet IP. Using the...
Topic: Application Questions and Problems
from the Automation List department...
Shuttle HW and SW info
Originally posted by James P Garrett on 6 February, 2003 - 1:58 pm
An article about the shuttle's main control computers as being "Commercial off-the-shelf computer technologies." Anyone know about these things?
New Replies:
Thanks to all that responded in this thread. The information and links put forward more than...
Refering to the referee computer or rather the fifth computer: How do we know that the referee...
Topic: PLCs and related questions.
from the Automation List department...
Siemens Step 7 PLC Remote partner CPUs
Originally posted by Paul Pierce on 10 February, 2003 - 5:46 pm
Monitoring Peripheral inputs on remote partner CPU 315-2DP from a 315-2DP plc.
New Replies:
If you like to monitor variable from digital IO you can use the variable table to the the actual...
Topic: Local and wide area networking in factory automation.
from the I have a sinec headache department...
Sinec L1
Originally posted by John Jensen on 31 January, 2003 - 4:58 pm
Trying to create a new front-end (HMI) to an old Simatic S5 system. Want to keep SinecL1 in place. Has anyone used the DF 32-L1 PCI card and OPC Server from Comsoft?
New Replies:
Thank you for the information and the advice....
Topic: Communications systems and equipment.
from the Communication department...
Printer Data capture through PC
Originally posted by Shishir Gupta on 3 February, 2003 - 10:10 pm
I have a legacy HMI system. In which Printer gives some reports. I do not have any information about this system. Is it possible to connect printer port to other PC serial port, and read the Data through user developed software.
New Replies:
You do not state the operating system that is being used, however, if it is DOS you can simply...
Topic: Continuous process industries, DCS questions.
from the R&D department...
Modbus standard
Originally posted by NSR Prasad on 12 February, 2003 - 12:08 pm
We understand that CRC is more powerful than LRC from error correction point of view. If so, why ASCII mode of Modbus standard adopts LRC and RTU mode adopts CRC...
New Replies:
ASCII adopted LRC because: 1. It can be shoehorned into one byte. 2. The parity bit on each...
Topic: Communications systems and equipment.
from the Automation List department...
BUS comparison
Posted by Masoum on 14 February, 2003 - 10:09 am
Need help choosing a suitable bus from the instruments to PC via PLC in the dairy industries
Topic: PLCs and related questions.
from the Student department...
Siemens S7-300 simulation
Posted by Kwadwo Nkansah on 14 February, 2003 - 10:07 am
Looking for tutorials, tools and software for siemens s7-300 series
Topic: PLCs and related questions.
from the Automation List department...
Mitsubishi Medoc software
Posted by Anshuman Patra on 14 February, 2003 - 10:06 am
Where can I get more info on the instruction set of Medoc and more programs that can be run on Medoc?
Topic: The Business of Automation and Control
from the Automation List department...
Use of spam to market automation products
Posted by Alex Pavloff on 14 February, 2003 - 10:03 am
What do the marketing gurus think are the "rules of conduct" when it comes to marketing through email.
Topic: PLCs and related questions.
from the some help wouldnt go a miss department...
HND glasgow help
Originally posted by Baptie_plc _chappy on 21 January, 2003 - 1:36 pm
I am on the final year of my hnd in glasgow, I have stumbled on a part of a program I just cant get head round, time and time again I has programmed it & I cant seem to get it. Is there anyone out there can give some assistance as I need this to add to top level of the rest of the manufacture program. plz
New Replies:
the program in itself is very simple,Try using a truth table and then boolean algebra.If that...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Bargraph indicator problem
Originally posted by Martin Olsson on 12 February, 2003 - 11:31 am
Problem with bargraph indicator from control and readout, I cant get it out of hold-mode.
New Replies:
I'm not familiar with your instrument(model numbers without manufacturers are generally of little...
Topic: Information resources, documentation.
from the Automation List department...
TOSVERT-130H
Posted by Doug Walworth on 14 February, 2003 - 9:57 am
Toshiba Inverter used for driving CT fan
Topic: Continuous process industries, DCS questions.
from the Maintenance department...
Instrument Loop drawing
Posted by brandon Smith on 14 February, 2003 - 9:52 am
Instrument Loop Drawing

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