Posts from...
Friday, February 14, 2003trying to exchange tag values between RSView32 and MS Access 2000
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By ScienceOfficer on 14 February, 2003 - 6:17 pm -
This is kind of a stretch, but I think it might be useful:
Consider reading Chapter 16,...
Does anyone know who can supply a RTD signal splitter?
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By Hakan Ozevin on 14 February, 2003 - 6:14 pm -
Check for www.ziehl.de...
By kalpak dabir on 14 February, 2003 - 10:40 am -
Per se RTD signal cannot be easily split. You can either put a head mounted transmitter to convert...
How do I make ABB Cnet fault tolerant?
What exactly is Cnet, anyway?
What exactly is Cnet, anyway?
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By Pete Metcalfe on 14 February, 2003 - 6:13 pm -
Hi,
There are a number of technologies that Bailey/ABB uses within the Symphony DCS. The...
Does anyone have any recommendations for industrial ethernet hubs possibly dc powered.
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By Mike O'Connor on 14 February, 2003 - 6:12 pm -
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...
By Peter on 14 February, 2003 - 12:57 pm -
I have been using 'plain vanila' Netgear hubs for a mission critical system. We have millions of...
By Dick Caro on 14 February, 2003 - 12:33 pm -
You DO NOT want hubs. You DO want switches.
Look here:
http://www.hirschmann-usa.com/
...
By Neil Firmin on 14 February, 2003 - 12:03 pm -
We are using Hirschmann RS2-5TX Industrial rail mount switches. These are 5 * 10/100 MBit ports, 24...
By Gary W. Collie on 14 February, 2003 - 10:26 am -
We have had good luck using the "EtherTrack" DC powered switches from Sixnet....
By Powers, Ron on 14 February, 2003 - 10:25 am -
Siemens has some good ones. Check this link out.
...
By Ralph Mackiewicz on 14 February, 2003 - 10:23 am -
Try RuggedCom at:
http://www.ruggedcom.com
Regards,
Ralph Mackiewicz
SISCO, Inc....
By Bob Peterson on 14 February, 2003 - 10:13 am -
I have used Sixnet. I think that Scheiner Automation also sells them....
I am trying to find out how to address a 0-20ma tranducer to a AB input card...
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By Anthony Kerstens on 14 February, 2003 - 6:08 pm -
Les,
In defense of Joe, I didn't detect anything pompous. If anything, there's a sense of being...
where can i get ladder logic software for programming a siemens STEP 7 300...?
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By Anonymous on 14 February, 2003 - 6:05 pm -
The ladder logic editor is built into Step 7.
So when you purchase Siemens Step 7- it is included....
By Anonymous on 14 February, 2003 - 5:38 pm -
Siemens S7-300's require Simatic Step 7 software and unfortunatly there's no free/demo software...
By step7 on 14 February, 2003 - 4:13 pm -
s7-300 using step7 5.1, but it is not free. good luck !...
By Marc Sinclair on 14 February, 2003 - 3:06 pm -
type www.siemens.com into your browser, press return, then, type step7 into the search box, then...
Some motors have star point earthed. Why?
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Responding to Mike's Thu, Feb 13, 9:48pm, comment:
Sorry, but I disagree! If the wye-point of...
Need for Pipeline SCADA fiber optic communications. Distances up to 70Km.
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By Jeff LeBlanc on 14 February, 2003 - 6:02 pm -
Manny,
I have in the past used Hirschmann equipment, particularly the hubs in the fiber...
Communication with the Allen Bradley PLC's
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By ebberdeen on 14 February, 2003 - 5:55 pm -
I am also using a Dell Inspiron but are you using the PCMCIA card/RS232. The Inspiron I have does...
By Rodrigo on 14 February, 2003 - 12:25 pm -
As a matter of fact Im using rslogix 500 with windows xp, but I tried to install version 5.0 and I...
By Eddie Willers on 14 February, 2003 - 10:55 am -
I can run the DF1 driver on USB or PCMCIA expansion cards that add COM ports to my Windows 2000 or...
looking a way to index on control logix
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By M.Pebworth on 14 February, 2003 - 5:53 pm -
My understanding of indexed addressing is that it's just a flavor of indirect addressing, where the...
By Dave Campain on 14 February, 2003 - 5:31 pm -
Many of the instructions that are used for functions that require indexing use a CONTROL tag (eg...
By JDC on 14 February, 2003 - 11:54 am -
Use indexing the same way as in 5's
You have to set up tag "Array's" to be indexed...
I want to take an off the shelf digital thermometer or build a cheap one to be able to beep at a specific temp.
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By thomas Ng on 14 February, 2003 - 5:52 pm -
Just buy an LM34(Fahrenheit) or LM35(Celcius).
They cost about $2 each. They give an analog
...
By Rick Macy on 14 February, 2003 - 5:23 pm -
You didn't specify your desired temperature range, But if you go to EXTECH.COM your heart will go...
By Anonymous on 14 February, 2003 - 2:06 pm -
Dear all, The basic circuitry would be a voltage comparator driving a small 'beeper'. If the...
how do you create a timing chart
I have a compact logix processer which uses a 1769 dnet card...
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By JAdams on 14 February, 2003 - 5:48 pm -
Follow this link to view the compactlogix user manual and see page 6-10.
...
new to plc. trying to install one for oven smoking proccess
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By Jeff LeBlanc on 14 February, 2003 - 5:46 pm -
Hanan,
I have programmed a plc for a client doing something similar, it had a rotating set of...
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?
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By Ravindra on 14 February, 2003 - 5:44 pm -
Dear Forum Members,
The Loosing of the Operator Screens were happened in our unit more than ten...
Looking for basic code to get data value...
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By Bruce Meissner on 14 February, 2003 - 5:42 pm -
I'm not using a PLC. The power analyzer will talk directly to an IBM PC via RS232/485 interface....
Need a regulator board for Siemens DC Drive
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By Rick Macy on 14 February, 2003 - 5:41 pm -
Contact Electrical South repair services, WWW.ELSOUTH.COM They may be able to find a rehabed...
By JW on 14 February, 2003 - 12:37 pm -
Brian,
I know you will get 15 responses like this but..
Why dont you consider putting in a new
...
Scaling analog input in Micrologix 1200
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By mjv on 14 February, 2003 - 5:40 pm -
Depending on the Engineering units and acuracy that you desire…
You could use an implied decimal...
I need help with importing tags in TelePACE...
How to write a script for a protool application for archiving tags?
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By Powers, Ron on 14 February, 2003 - 5:21 pm -
There is no need to write scripts to perform this function, they are already included as standard...
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...
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By Anonymous on 14 February, 2003 - 5:16 pm -
This is a huge mistake no matter how that you look at it. Acquisitions in general are very hard to...
Does modbus make a PLC?
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By Brian Cervi on 14 February, 2003 - 4:31 pm -
No, Modbus does not make a PLC. But, the company that invented the PLC and developed Modbus...
By James Ingraham on 14 February, 2003 - 4:03 pm -
I'm sorry, Dan, but you are way off. This is a bit like asking if Ethernet makes copiers.
...
By JDC on 14 February, 2003 - 3:59 pm -
The MODICON Programmable Controller was one of the first PLC's in the world - it introduced ladder...
By Ken S on 14 February, 2003 - 12:54 pm -
Modbus is a communications protocol originated by Modicon which is now part of Schneider...
By Peter on 14 February, 2003 - 12:51 pm -
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...
By Gman on 14 February, 2003 - 12:10 pm -
You can quote me on that, www.modbus.org. Modicon started Modbus....
By Gman on 14 February, 2003 - 11:38 am -
Modicon is the company you're thinking of, I believe Modbus was their communication standard. (dont...
By Rick Royston on 14 February, 2003 - 11:37 am -
At last check they did not. Modbus was the data transfer protocol for the company Modicon. They...
We are installing Wonderware Intouch systems in utility facilities and require remote access...
Which is best starter to avoid water hammer
in pipeline VFD or soft starter?
in pipeline VFD or soft starter?
Requirements (hardware and/or software) to use MPI for peer communications between multiple PLC's and PC's.
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By step7 on 14 February, 2003 - 4:24 pm -
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...
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...
Rookie programmer needs help with pump control...
what are the benefits of becoming a Siemens Partner for Simatic
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By step7 on 14 February, 2003 - 4:07 pm -
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...
does anyone have a diagram for a rs-485 convertor that will talk on the Johnson controls N2 bus...
industrial data communication and scada
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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,...
By Sarit on 14 February, 2003 - 2:11 pm -
www.afcon-inc.com
Afcon's SCADA has a free download version of P-CIM.
I know of more then a few...
I am using Modbus Ethernet to Modbus protocol converter of Modicon (174 cev 300 10)...
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?
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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...
By Shane Moore on 14 February, 2003 - 12:21 pm -
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...
By Zvi on 14 February, 2003 - 11:06 am -
5VDC * 20mA = 100 mW = 1/10 watt...
By Jim on 14 February, 2003 - 10:50 am -
from http://members.tripod.com/~oltruck/elec/basicdc.htm#watt
P = I x E
Where
P = Power...
My application is flow measurement using DP Tx...
I need some help to develop a driver for communication with 8051 and SCADA Elipse software. I don´t have any experience!!!
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By Anonymous on 14 February, 2003 - 2:47 pm -
Hi
Yes, there's a driver to 8051. Write a e-mail to suporte@elipse.com.br
daniel...
Need information about the protocol IEC 61107
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By Ivan on 14 February, 2003 - 2:43 pm -
Sorry, Ivan, I am Ivan as well.
Your question is easily answered: either IEC 61107 or IEC 1107 is...
Need a sensor for measuring level of H2SO4 in a tank...
Does any one carry out alarm logging in CENTUM CS DCS...
i want to communicate TDC3000 DCS from honeywell with AFCON PCIM, please suggest me
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By Anonymous on 14 February, 2003 - 2:21 pm -
Afcon software & Electronics is a software company, P-CIM is their SCADA/HMI software...
SF6 Pressure transducers for substations
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By J.N.Bae on 14 February, 2003 - 2:20 pm -
Please contact following address for more information you need.
samsawon@samsawon.co.kr
Regards,
...
I need to communicate process parameters (via Modbus Ethernet) to a third party analysis application which runs on Linux...
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By gopinath on 14 February, 2003 - 2:11 pm -
I am not sure whether you are looking for simple MODBUS on Ethernet or
MODBUS TCP .MatPLC , has...
Looking for input from anyone who has written their own HMI in VB or VC++.
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By Michael Griffin on 14 February, 2003 - 1:50 pm -
On February 11, 2003 12:29 am, Rokicki, Andrew wrote: <clip>
> I just started to write...
How can I divide stream to two branch line equally using a restriction orifice.
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By Standard Plan on 14 February, 2003 - 1:47 pm -
A sonic or critical flow nozzle can be used for this purpose. This assumes you will have an...
My CP5511 does not run with Windows XP...
Servo To Go Device Driver for C-Mex S-functions to be used for Real-Time Windows Target version 2.2...
i would like to know which is better to measured the composition in continuous of a mixture ethylengycol-water: the viscosity or the density?
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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...
What is criteria for selection of Siemens PLC (S7-300) when I have Closed loop Control?
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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...
I have a PLC TSX P47 with XBTA721010. The terminal is out of order and I want to replace the same with XBTP021010...
what is the physical level difference btw unbalanced and balanced transmission using iec 60870-5-101?
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By Prasanth Gopalakrishnan on 14 February, 2003 - 1:01 pm -
Balanced transmission is more synchronous transmission, where as un-balanced is more suited for...
Does anyone know a good model for tuning a PID control loop in a direct fired furnace?
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By Anonymous on 14 February, 2003 - 1:01 pm -
Please take a look at http://www.iqsoftsecure.ca/tutorials.html...
Need info for wiring a 120vac motor.
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By Anonymous on 14 February, 2003 - 1:00 pm -
I connect the neutral to line1; but nothing will change if you connect the neutral to line2.
To...
By Anonymous on 14 February, 2003 - 12:15 pm -
Split phase, iirc, means that a capacitor is used in the line to induce a phase differential...
Model interaction of two VCM actuators placed in the same base from frequency response...
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...
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By SERVOCAM on 14 February, 2003 - 12:57 pm -
You could look at my BAI single-axis drive/controller for brush or brushless motors....
Has anyone ever made or known someone that has made a Motion Controller with a pic and an LM628 or lm629?
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By Anonymous on 14 February, 2003 - 12:57 pm -
Hi, How can i contact you?? i am interested in your C programs... email me at uyen206@yahoo.com.
...
Are there industry recommended standards for wiring PLC's? Ex. analog input would be xyz color and and digital input would be abc color...
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By Steve G on 14 February, 2003 - 12:55 pm -
> ..... 1770-in041 a-en-p.pdf.....>
Has anyone been able to find this file at A-B or...
need a laser sensor
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By calvin smith on 14 February, 2003 - 12:49 pm -
you might try www.omron.com
thay have laser sensors that should fit the bill.
ihave used keyence...
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...
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By M.Pebworth on 14 February, 2003 - 12:48 pm -
Have you tried setting:
abdf1.Memory_LengthInWords = 2 (or 3,4,5,6...)?
Mike...
Opinions on fusing each PLC output...
looking for a windows based app to program old TSX 17s
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By CK on 14 February, 2003 - 12:41 pm -
There is no such thing. The TSX17 has been obsolete for so many years that they never created...
Please help me compare the difference between gas flow in a 4 inch plus 8 inch pipe to that of a 12 inch pipe.
I'm looking for information on connecting to the programming port on an Allen Bradley PLC 2/05 processor...
I need to convert a Fix app to Intouch...
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By Jeff LeBlanc on 14 February, 2003 - 12:08 pm -
Why in the world would you want to convert to Blunderware???...
Planning to switch from DC drive based systen to AC drive.
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By Jeff LeBlanc on 14 February, 2003 - 12:01 pm -
Most drives can be configured for full torque at 0 speed or almost no torque at high speed...
when running Medoc (not windows version) on XP it works ok but only on a small window...
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By Okkie le Roux on 14 February, 2003 - 11:55 am -
Hi
I loaded Melsec Medoc 2.3 on two new laptops which has Windows XP but could not get comms to...
Siemens OP5/CPU103
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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...
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...
Problems communicating with lower spec PLC's via modbus...
Has anyone successfully used a V.92 modem as a Modbus RTU master to talk with a slave PLC.
How to use Modbus Protocol with RS485
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By Meir on 14 February, 2003 - 10:47 am -
Get all the information here:
http://www.modbus.org/
Modbus Standard Library
Meir...
Uploading configuration from Siemens TD10 text display...
Need to make a PC behave like a MODBUS device.
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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....
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?
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By Powers, Ron on 14 February, 2003 - 10:35 am -
First of all the Ethernet protocol that AB uses is not TCP it is called Ethernet IP. Using the...
An article about the shuttle's main control computers as being "Commercial off-the-shelf computer technologies." Anyone know about these things?
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By Garrett, James P on 14 February, 2003 - 10:35 am -
Thanks to all that responded in this thread. The information and links put forward more than...
By Anand Iyer on 14 February, 2003 - 10:19 am -
Refering to the referee computer or rather the fifth computer: How do we know that the referee...
Monitoring Peripheral inputs on remote partner CPU 315-2DP from a 315-2DP plc.
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By Anonymous on 14 February, 2003 - 10:28 am -
If you like to monitor variable from digital IO you can use the variable table to the the actual...
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?
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By John on 14 February, 2003 - 10:20 am -
Thank you for the information and the advice....
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.
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By psevin on 14 February, 2003 - 10:15 am -
You do not state the operating system that is being used, however, if it is DOS you can simply...
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...
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By Meir Saggie on 14 February, 2003 - 10:10 am -
ASCII adopted LRC because:
1. It can be shoehorned into one byte.
2. The parity bit on each...
Need help choosing a suitable bus from the instruments to PC via PLC in the dairy industries
Looking for tutorials, tools and software for siemens s7-300 series
Where can I get more info on the instruction set of Medoc and more programs that can be run on Medoc?
What do the marketing gurus think are the "rules of conduct" when it comes to marketing through email.
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
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By dave on 14 February, 2003 - 10:03 am -
the program in itself is very simple,Try using a truth table and then boolean algebra.If that...
Problem with bargraph indicator from control and readout, I cant get it out of hold-mode.
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By wlmostia on 14 February, 2003 - 10:02 am -
I'm not familiar with your instrument(model numbers without manufacturers are generally of little...
Toshiba Inverter used for driving CT fan
Instrument Loop Drawing
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