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Control.com topic...
PLCs
Topic: Engineering and workplace issues.
from the Instrument department...
Redundant Server vs Dual Redundant Server
Originally posted by Utz on 18 October, 2011 - 1:25 am
is there any difference between the two things in the subject?
New Replies:
Can I say The Duplex mode in Temperature Transmitter for measuring Temperature also serves as Dual...
Topic: PLCs and related questions.
from the MODBUS department...
Conzerv EM3460 Modbus communication
Originally posted by Sathya on 6 January, 2013 - 6:46 am
Fetching the data from EM3460 meter by connecting DELTA PLC
New Replies:
Hi Sathya, Were you able to solve the issue, Actually i'm facing the same issue and working on...
Topic: PLCs and related questions.
from the dept of redunancy dept department...
PLC remote communications
Originally posted by rookieca on 14 December, 2013 - 11:48 am
Remote communications of machine PLC, without going on to customer network
New Replies:
I'm not surprised that a company doesn't allow unfettered access to their business LANs and control...
I use LogMeIn Hamachi between PCs (www.VPN.net) because it doesn't require any firewall changes. ...
You might want to google COSY141 VPN router. I switched from 9300-RADES last year and haven't...
cellular internet?...
Topic: Human-Machine Interface and SCADA.
from the modbus department...
alternative for gateway-x
Posted by hrs on 19 December, 2013 - 4:21 am
gateway-x connected to 25 slaves
Topic: PLCs and related questions.
from the Forum department...
Getting ladder diagram in Concept
Posted by One on 18 December, 2013 - 11:03 pm
Generating a ladder diagram out off FBD.
Topic: Engineering and workplace issues.
from the interposing relay department...
interposing relay
Originally posted by karthik on 1 March, 2009 - 8:22 am
what is interposing relay
New Replies:
Interposing Relay is a normal relay function and it will be used in order to acquire required power...
Posted by Abdel-Qader on 17 December, 2013 - 6:49 am
SEPAM 40 series addresses
Topic: Power generation equipment control.
from the PLC department...
Electronic Overspeed Detection
Originally posted by Karthik on 12 December, 2013 - 7:48 am
What is the response time for an Electronic Over speed Detection system
New Replies:
Hi Karthik, Please be aware that Standard API670 5th Edition is soon to be released and new...
Thanks for the reply. But I am trying to find a guideline on the maximum allowed response time...
Karthick... when Woodward first used our Smart-A-Larm modules in conjunction with their Over-Speed...
Topic: Engineering and workplace issues.
from the automation department...
ethernet communication
Originally posted by arun on 14 December, 2013 - 12:19 am
ethernet comm for interfacing citect scada v7.2 and m340 plc
New Replies:
As a "slave" device (eg connected to SCADA). Configure the Ethernet Network in the M340....
Topic: Engineering and workplace issues.
from the Does higher voltage reduce contact failu department...
Relay contact oxidation and voltage levels
Originally posted by Jeremy on 12 December, 2013 - 9:04 am
For signalling and control, is 240vac more reliable?
New Replies:
certainly nothing wrong with 240vac seem to recall it was common in early pump station station...
It's been a while since I have gone over this so I'm a bit rusty. But I think the main concern is...
Topic: Human-Machine Interface and SCADA.
from the Automation List department...
Android tablet for HMI?
Originally posted by Ken E on 3 June, 2011 - 11:18 am
Using an Android tablet as an all in one PLC.
New Replies:
Not sure if this would help but looking at the Google play store, there is an android app that...
Originally posted by Hassan Tariq on 9 December, 2013 - 11:34 pm
We are facing a problem while communicating with Motrola Moscad RTU CPU 300. It has modbus protocol and we are able to bring around 300 modbus registers using kepware opc server but there are some addresses like 8XXXXX which does not look to be modbus.
New Replies:
Well, I don't know anything about Taylor HMI, but... Modbus addressing in Moscad is based on...
Yes your assumption is correct. Moscad RTU is connnected with Omni Flow Computer and then we are...
I forgot to add that PeakHMI can access all the registers in the Omni flow computer and can publish...
Hello, While Omni flow computers can respond to standard MODBUS, for some of its register, it...
Hassan, I am not familiar with Omniflow computers, but I assume what you are saying is the...
Are you sure it is 8XXXXX and NOT 8XXXX? If it is 8XXXXX then you could target from 800001 to...
Topic: PLCs and related questions.
from the Thermal department...
Connecting I/O cards between two PLCs
Originally posted by Kapil on 6 December, 2013 - 12:18 am
How to give the signal of one PLC to other PLC.
New Replies:
In theory the neutrals should be at the same potential, especially if both PLCs get their supply...
You Should use 230 VAC relay instead... DO of 2nd PLC will operate a relay whose contacts are...
Topic: Communications systems and equipment.
from the WonderWare Upgrade Failures department...
WonderWare Upgrade Issues
Originally posted by lmcpeek8 on 3 December, 2013 - 11:44 am
Upgraded PC. WonderWare updated from 7.1 to 2012 R2 (10.6).
New Replies:
You may need to upgrade to a Ethernet processor also....
You will want to use the DA Servers that come with Intouch/WonderWare. WW Tech support can help....
Are you still using "DDE" communciation method within Intouch Window Maker access points,...
>Background: > >. . . The PC has a PKTX card that communicates with a SLC-504 ? Still...
Topic: PLCs and related questions.
from the machinesRotating < 60 cycles/m department...
Syncing two rotation machines
Originally posted by JoseyWales on 6 December, 2013 - 12:43 pm
PLC engineer trying to sync two machines dropping on a conveyor. They drop say 50+times per minute.
New Replies:
Josey... see: http://www.control.com/thread/1026150987 Regards, Phil Corso...
Originally posted by Tim on 23 December, 2012 - 9:47 pm
Are most automation equipment broken down into finite state machine logic?
New Replies:
By Vladimir E. Zyubin on 8 December, 2013 - 6:42 am -
Hi, Jonathan We are just teaching student to program with the Reflex language and explain common...
Schneider Electric PLCs that support UNITY software provide SFC logic programming. Sequential...
Topic: PLCs and related questions.
from the Electrical department...
How to troubleshoot a PLC
Originally posted by Femi on 15 November, 2013 - 6:16 pm
What are the causes of PLCs breakdown/failure
New Replies:
Some PLCs retain their programs off battery power. If the unit has been in service for a few years...
Topic: PLCs and related questions.
from the can't see the forest for the trees department...
PLC training
Originally posted by Rick Lareva on 4 December, 2013 - 12:55 pm
Looking for books or other references for PLC training.
New Replies:
Different brands of PLCs have completely different ways of programming. You need to look for...
your best bet might be to acquire a plc of the type you most commonly work on and just try...
Hi Rick, I recommend this book for you to learn ...
It shouldn't be much of a leap if it's ladder logic, that resembles the ordinary ladder diagrams...
Look here: http://www.plcs.net/ and here: http://www.plcs.net/store.shtml...
Topic: PLCs and related questions.
from the Automation List department...
86LADDER, 86COMM ladder software
Originally posted by MPE Industrial Automation on 23 December, 1999 - 12:43 pm
Our customer has old PLC system which use 86LADDER or 86COMM ladder software
to interface it. Our customer would like to replace this old PLC system but
he doesn't have any information of it. ...
New Replies:
Dear Sirs, A search hit landed me on your webpage while looking for an old "PLC on a PC...
Originally posted by ken on 23 May, 2013 - 12:39 pm
How to configure an 1756-ENBT to Bently Nevada 3500 Enet gateway
New Replies:
I am looking for any help or onsite assistance to communicating the RS5k to the Bentley Nevada 3500...
Topic: Software, including programming, OS issues, etc.
from the SCADA Automation Department department...
MODBUS RTU code for STM32F103 through Keil uVision 4
Originally posted by Saurabh on 11 July, 2013 - 2:50 am
MODBUS RTU implementation path and code for STM32F103 through Keil uVision 4.
New Replies:
i use 74hct4538 as monostable multi-vibrator for sending data through adm485....
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