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Member Information and Posts by hattedone
Topic: Continuous process industries, DCS questions.
from the SCADA department...
Profibus DP Devices Losing Power
Originally posted by bman on 10 September, 2012 - 12:29 pm
When a Profibus DP device loses power, the communication to the rest of the DP devices attached on the bus system will fail.
New Replies:
If the Profibus device in question is the Master, then profibus communication to other devices will...
Topic: Power generation equipment control.
from the Automation List department...
Profibus MCCs
Originally posted by Marshall Michelle on 11 September, 2012 - 9:22 am
hard wire the start/stop or the stop on back end equipment
New Replies:
Hi, I work for a Systems Integrator in the UK. We have been supplying 'Intelligent' MCC's using...
Topic: Continuous process industries, DCS questions.
from the Siemens department...
S7 Siemens 300
Originally posted by Arpad Fazekas on 8 September, 2011 - 1:27 am
Siemens S7 300 timer pause problem
New Replies:
I am curious. Why do you not recommend using the S5 timer? the S-ODTS seems perfect, as long as you...
Topic: PLCs and related questions.
from the Forum department...
SattCon PLC
Originally posted by Les on 21 April, 2011 - 10:43 pm
Need help in going online to the SattCon PLC via DOX10 software.
New Replies:
It sounds like you have tried most things. Did your installation of dox10 change the config.sys?...
Topic: PLCs and related questions.
from the Forum department...
RSLogix 5000 While and For Loops
Originally posted by rpmccly on 4 April, 2011 - 10:17 am
Need to run a while loop in RSLogix 5000 to make a pump stay on until a low level sensor de-energizes.
New Replies:
Okay, I think I see the problem here. You are approaching this from a typical high level language...
Topic: Continuous process industries, DCS questions.
from the Electrical & Automation department...
Control Signal
Originally posted by Hooshang Farhadi on 9 March, 2011 - 2:51 am
How to feed a 4...20mA Signal to four devices?
New Replies:
Be careful with this idea of stringing multiple devices off one 4-20mA source. The 4-20mA source...
Topic: PLCs and related questions.
from the school work department...
Student needs Ladder Logic help
Originally posted by shane marti on 10 March, 2011 - 2:25 pm
Ladder logic problem cart with timer and limit switches
New Replies:
Hi, Trevor is right. Software engineering is about breaking a problem down into the constituent...
Topic: Continuous process industries, DCS questions.
from the Forum department...
Profibus questions
Originally posted by arocon on 10 March, 2011 - 7:30 pm
Novice profibus questions for Seimens Simatic PLC
New Replies:
>1) Where termination resistance to be on - at the end or at the beginning or both end. How...
Topic: PLCs and related questions.
from the Forum department...
Siemens PLC Step 7
Originally posted by vinay on 17 February, 2011 - 7:24 am
I want to learn Siemens Step 7. where Can i find application examples ?
New Replies:
> Siemens offers many classes that you could attend. I concur with Bob. Siemens Step 7 has...
Topic: Human-Machine Interface and SCADA.
from the Forum department...
connection of Wincc and STEP7
Originally posted by nino on 29 November, 2010 - 12:05 pm
Connecting wincc and step7
New Replies:
Hi Nino Are you referring to WinCC SCADA or WinCC Flexible? There is a big difference in how you...
Topic: Communications systems and equipment.
from the Forum department...
Finding profibus fault?
Originally posted by plcnoob on 23 November, 2010 - 1:06 am
identify which node is causing the problem
New Replies:
Dear Unsigned, If ALL nodes are in fault then I would tend to think that something common to all...
Topic: PLCs and related questions.
from the How Slow Can You Go department...
Is SLC-500 time real or virtual?
Originally posted by Tech4All on 30 August, 2010 - 10:24 am
Is time adjustable in the Allen Bradley SLC-500 series?
New Replies:
Hi, From what I remember the spinning icon is an indication of the speed of comms between the PC...
Topic: PLCs and related questions.
from the instru department...
Mitsubishi Q series PLC
Originally posted by vicky on 26 July, 2010 - 2:48 am
I am using mitsubishi Q series plc; have questions about programming
New Replies:
1. you can read a bunch of inputs/output as a word by referring to the block with a decade...
Topic: Human-Machine Interface and SCADA.
from the Not a VB expert! department...
Cicode Tagwrite Function
Originally posted by MIKEVI on 10 June, 2010 - 2:27 pm
Help with Citect Cicode Tagwrite function.
New Replies:
Sorry, having looked at my post again, I realise that it would work on version 7 not version 6.10 ...
Firstly, do not bother with VB. Citect has its own language which is more tightly integrated -...
Originally posted by ali on 11 November, 2009 - 1:57 pm
operation system problem
New Replies:
With both Vista and Windows 7, the editions of the OS are important. Home Premium is not supported,...
Topic: Communications systems and equipment.
from the Department of Insanity department...
S7 as a Slave/Master
Posted by Patrick Beckett on 28 September, 2009 - 3:54 am
S7 313C-2DP set as a DP Slave but a Master also appears on the network at same node
Originally posted by shabuddin on 11 October, 2008 - 4:59 am
Anybody can help me to do Mitsubishi PLC A series to Q series Transition.
New Replies:
Can you confirm the part number AG61? I do not recognise that part (AG60 or AG62 are slot...
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