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Posts from...
Saturday, September 6, 2008
from the Wiring standards department...
Wiring in Live Systems
Topic: Engineering and workplace issues.
Originally posted by M.Salman on 3 September, 2008 - 1:48 am
We are going to carry out wiring from live +24VDC system to our PLC system. We are being forced to carry out this operation with out shutdown.
New Replies:
By Marc Sinclair on 6 September, 2008 - 2:13 pm -
Hi, If you google 'nuremberg defence' I think you will find that it refers to a commonly used...
By Dave Ferguson on 6 September, 2008 - 2:08 pm -
First do you mean by OP ? (brain fade on my part) Second it does not matter what they asked for...
from the Automation List department...
Modbus RTU - RJ45 and daisy chaining
Topic: Communications systems and equipment.
Originally posted by tailgunner on 28 August, 2007 - 1:19 am
Can RJ45 be daisy chained in any way?
New Replies:
By Dan on 6 September, 2008 - 2:11 pm -
The adapters above are all RJ-45 female jacks (technically '8P8C') to screw terminal blocks. The...
from the Automation List department...
MKV Enumerated state command
Topic: Software, including programming, OS issues, etc.
Originally posted by martinc on 26 August, 2008 - 4:31 pm
Creating an enmurated state and adding to a user defined display
New Replies:
By CSA on 6 September, 2008 - 2:11 pm -
RichT88, It's a matter of personal preference. You seem comfortable with developing animated item...
from the Instrument and Control systems department...
New "DCS" control system selection
Topic: Continuous process industries, DCS questions.
Originally posted by George Whaley on 3 September, 2008 - 12:24 am
Requesting member feedback for the replacement selection of an existing petrochemical control system "DCS".
New Replies:
By Dave Ferguson on 6 September, 2008 - 2:06 pm -
Hands down 2 things I absolutely hate about DV and will not recommend to anyone because...
from the Automation List department...
Johnson Controls DX9100 Protocol
Topic: Software, including programming, OS issues, etc.
Originally posted by wclai97 on 16 August, 2008 - 12:57 am
DX9100 checksum/BCC calculation
New Replies:
By Victor on 6 September, 2008 - 2:04 pm -
Hello. I´m Victor from Argentina. I can help you with that function. It is composed by the previous...
from the Old Days department...
Vintage Field Instrumentation
Topic: Information resources, documentation.
Posted by stemp on 6 September, 2008 - 2:02 pm
need information for absolete field Instrument
from the Automation List department...
Inheritance (object-oriented) in PLC programming?
Topic: Software, including programming, OS issues, etc.
Originally posted by Zen Master Soso on 1 August, 2008 - 11:22 pm
Does any PLC programming software implement the object-oriented-programming concept of "inheritance"?
New Replies:
By Vladimir E. Zyubin on 6 September, 2008 - 2:01 pm -
Saturday, September 06, 2008, 7:49:16 AM, twu026 wrote: TA> As PLC programmers we work close...
from the Automation department...
using profibus or ethernet over Fiber optic
Topic: Local and wide area networking in factory automation.
Originally posted by S.gordon on 20 July, 2008 - 6:11 pm
replace one section of the FO with either profi or some sort of arrangement...
New Replies:
By Steven Penrose on 6 September, 2008 - 1:59 pm -
If you are looking for ethernet to fiber optic converter, would recommend CommFront's...
from the I&C department...
SPPA-T1000 compared with SPPA-T3000
Topic: Engineering and workplace issues.
Originally posted by Pankaj Dave on 2 April, 2008 - 12:20 am
Can anyone tell if SPPA-T1000 system from Siemens has reference outside of India? We want to have real feedback for this system and comparison with SPPA-T3000.
New Replies:
By UK 77 on 6 September, 2008 - 1:58 pm -
As consultants,we have done a technical comparison of all DCS from major suppliers on a scale of 10...
from the Instrumentation department...
Positive Displacement Type Flowmeter
Topic: Engineering and workplace issues.
Originally posted by sanjib on 5 September, 2008 - 9:07 pm
Installation of Positive type Flow-Meter
New Replies:
By Jon Watson on 6 September, 2008 - 1:56 pm -
The magic of the internet allows you to search for Teltech and at this link you can download a...
By zare.v on 6 September, 2008 - 1:56 pm -
Mr.Sanjib, You can refer to API chapter 5 section2 regarding to PD meters. Regards, Vahid...
from the Automation List department...
Backup Procedures
Topic: Continuous process industries, DCS questions.
Originally posted by Mihir Ramkrishna on 4 September, 2008 - 1:19 am
Procedure to take project back-up and procedure to restore required for FISHER PROVOX and EMERSON RS-3 DCSs.

Can any one please help?
Topic: PLCs and related questions.
Posted by Caleb_E on 6 September, 2008 - 1:53 pm
Could someone help me with some time settings explanations to do with Modbus, the XXMIT block and PLC scan times?
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