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Posts from...
Friday, October 10, 2008
from the Electrical department...
Nuisance tripping of RCCB
Topic: Engineering and workplace issues.
Posted by Shahvir on 10 October, 2008 - 11:41 pm
Occasional nuisance tripping of RCCB
from the Forum department...
Electronic vs. conventional contactor coil
Topic: Engineering and workplace issues.
Posted by anonymous on 10 October, 2008 - 8:34 pm
How does an electronic coil work?
from the PLC Conversion department...
How to convert PLC-2 to PLC-5 fast?
Topic: PLCs and related questions.
Originally posted by Me on 8 October, 2008 - 3:46 pm
Convert Allen Bradley PLC-2 to PLC-5. Software needed? not available... :(
New Replies:
By M Griffin on 10 October, 2008 - 6:07 pm -
You can probably re-type the whole program much faster than pushing an approval through the...
By packsupport on 10 October, 2008 - 9:47 am -
Well, thanks for your response. But you just beat the purpose of this upgrade. The reason I'd...
By Dave Ferguson on 10 October, 2008 - 9:46 am -
I agree, the time has come to move on... You are trading one dead horse for another. The PLC 5 is...
By Joe Jansen on 10 October, 2008 - 8:28 am -
> Found the software title, "6200-2CV5". But, it is no longer supported or >...
from the Forum department...
ControlLogix vs Quantum PLCs
Topic: PLCs and related questions.
Originally posted by Ryno83 on 29 September, 2008 - 10:58 pm
Pros and cons between ControlLogix and Quantum
New Replies:
By ww on 10 October, 2008 - 4:25 pm -
Well to answer the original post, I would look at the technology you are using or thinking about...
from the Forum department...
Profibus PA segments allowable in EEx ia
Topic: Application Questions and Problems
Originally posted by benjas on 10 October, 2008 - 2:01 am
Profibus PA segments allowable in EEx ia
New Replies:
By Moin Shaikh on 10 October, 2008 - 3:26 pm -
I will recommend the following PROFIBUS in process brochure pages 12 and 18: ...
from the Technical Services department...
ESVT server as OPC server
Topic: Continuous process industries, DCS questions.
Posted by Ashvin Behal on 10 October, 2008 - 2:36 pm
Can ESVT server be used as OPC server? What will be the limitations?
Topic: Communications systems and equipment.
Posted by Hannibal on 10 October, 2008 - 2:12 pm
How many Modbus devices can be placed on a single Modbus/485 loop using Prosoft module MVI56-MCM?
from the Automation List department...
Communication problem between a PC and a SLC 5/03
Topic: PLCs and related questions.
Originally posted by Adekunle on 27 August, 2008 - 10:04 pm
cannot establish communication between a PC connected and PLC linked through a RS232 port after downloading the program.
New Replies:
By Adekunle on 10 October, 2008 - 9:10 am -
Thanks Trevor, I eventually used another laptop with an onboard serial port with a 25 pin to 9...
from the Forum department...
Load cell millivolt signal conditioner
Topic: Sensor technologies.
Originally posted by Simple68 on 25 September, 2008 - 3:20 am
Millivolt conversion from load cells
New Replies:
By Don Lupo on 10 October, 2008 - 8:24 am -
If you're connecting the millivolt output of a load cell directly to a PLC millivolt input card,...
Topic: Human-Machine Interface and SCADA.
Originally posted by Pankaj on 30 September, 2008 - 7:11 am
PanelView Plus communication to Emerson Ovation controller.
New Replies:
By Pankaj on 10 October, 2008 - 7:52 am -
I have tried with Modbus plus but with no success. I am not able to find the right driver in...
from the Forum department...
DCS powered vs. field powered
Topic: Power generation equipment control.
Originally posted by sonicjoe_xx on 8 October, 2008 - 6:42 am
What is the difference between DCS powered and field powered?
New Replies:
By Roy Matson on 10 October, 2008 - 7:14 am -
To add to the previous posters, be aware that some DCS modules will only allow field or DCS powered...
from the Instrument department...
PG mounting
Topic: Application Questions and Problems
Originally posted by PC on 9 October, 2008 - 8:05 am
PG mounting
New Replies:
By Roy Matson on 10 October, 2008 - 7:09 am -
40mm Sched 80pipe is plenty strong enough, but if there is any vibration I would mount the gauge on...
from the Automation List department...
Controlling SCR time on and off with a 555 timer
Topic: Engineering and workplace issues.
Originally posted by Paul Pri on 9 October, 2008 - 1:42 am
Is there any way I can control the SCR time on and off with 555 timer?
New Replies:
By Roy Matson on 10 October, 2008 - 6:58 am -
Hi Paul, Years ago I made a thermocouple spot welder for a firm stress relieving pipe welds. I'm...
By Curt Wuollet on 10 October, 2008 - 1:51 am -
Yes, you can certainly do that easily for AC. For DC, on is easy, off is harder. Google 555 SCR...
from the Automation List department...
Relationship Between Ethernet and TCP/IP
Topic: Local and wide area networking in factory automation.
Originally posted by Rushi Shroff on 11 September, 2008 - 1:34 am
Ethernet & TCP/IP
New Replies:
By sumit on 10 October, 2008 - 3:34 am -
Hi! James, thanx for suggesting that to me. Now I am not to worry about code because my seniors...
By sumit on 10 October, 2008 - 2:01 am -
Hi! I'll give you a example to understand exactly the meaning of ethernet and TCP. Suppose...
from the Fustration department...
PL7-3 Conversion
Topic: PLCs and related questions.
Originally posted by Joe on 9 October, 2008 - 4:39 pm
How can I convert PLC-7 using X-TEL software running on OS2, to something that I can use with Windows-based programming software?
New Replies:
By Tallak Tveide on 10 October, 2008 - 2:30 am -
How about using PL7 for windows? ...
from the Automation and Instrumentation department...
Water Treatment Process Control and Instrumentation
Topic: Continuous process industries, DCS questions.
Originally posted by Jan Michael Albaran on 8 October, 2008 - 7:39 pm
Best/better approach for the water treatment instrumentation and automation...
New Replies:
By Roy Matson on 10 October, 2008 - 12:33 am -
The problem with putting a valve in front of the magnetic flowmeter is the turbulence it creates...
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