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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
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DLL difference
New Replies:
By M Griffin on 27 September, 2009 - 2:58 pm -
Modbus and Profibus are both communications protocols. Strictly speaking A "bus" is an...
I would like to see some sample code. where a micrologic 1100 is being used as a Modbus master.
Does anyone know of multiple vendors of USB modbus plus devices?
New Replies:
By Robert on 26 September, 2009 - 5:27 pm -
I work with with this adapter. Work fine but if you connect them to a different port it will get...
It sounds like you have had some personal bad experience with this. Can you expand on what...
By JoeS on 25 September, 2009 - 2:39 pm -
USB is not suitable for SCADA communications. There is a reason why there is so little support for...
This module works fine. Only issue is to use the same USB port all the time. The driver only...
Communicating my Allen Bradley PLC with DF1 configured processor.
For DF1 full duplex is it 9300-USBS? or any other converters are available
For DF1 full duplex is it 9300-USBS? or any other converters are available
New Replies:
By Ken Roach on 26 September, 2009 - 2:25 am -
Yes, the 9300-USBS is fully supported for DF1 Full Duplex communications to all Allen-Bradley...
How to put to master in the same Modbus bus RS485
New Replies:
By criders on 25 September, 2009 - 6:20 pm -
Hi,
I think that you would have to find a way to sync the two masters somehow. When one of the...
By Jerry Miille on 25 September, 2009 - 4:39 pm -
The MARC Multii-Port:
http://www.miille.com/din366-10p.pdf
is commonly used for connecting...
Quick panel to 1747-SN
New Replies:
Thank you for your feed back
But can I buy a converter which has rs485 to Remote IO protocol...
Question for anyone that uses Kepware OPC with a serial server.
New Replies:
Yes, the Ethernet Encapsulation option worked. I did mess with that yesterday, but I now see I...
I will say that Modbus Test Pro will work just fine unregistered. The only thing it will do is...
By Fred Loveless on 24 September, 2009 - 9:36 am -
If you set the B&B converter to be a Modbus TCP to Modbus Serial converter then you can us the...
By Bill Graham on 24 September, 2009 - 3:40 am -
Hi Jay,
I am not familiar with the B&B terminal server but the packets used for TCP modbus...
By Mark on 24 September, 2009 - 12:30 am -
Hi,
I tested the Modbus TestPro with the PeakHMI MODBUS TCP simulator and one other simulator.
...
With MODBUS, there are in general two ways to communicate via TCP/IP. The first (which Kepware...
Grass root project looking a cheap way of bringing groups of temperature signals that are in close proximity into a DCS
New Replies:
The Emerson FFB 848T is a possible solution for this type of application and a good one. I use them...
I tend to agree with David, I suspect that you are dealing only with temperature elements, please...
By David on 18 September, 2009 - 8:29 pm -
> groups of temperature signals <
I would think that you mean thermocouple direct because...
from the application, engineering, automation department...
Interfacing Siemens S7-300 cpu 313C with ABB's compact HMI scada
How to interface the Siemens S7-300 cpu 313C with ABB's Compact HMI SCADA?
Unable to pass information between two Allen Bradley systems.
New Replies:
Thanks for the reply Ken. I don't usually use this forum for support and most of the time I get...
By Ken Roach on 16 September, 2009 - 9:12 pm -
I don't see any problem with the system you describe.
I would by instinct use a 1761-NET-AIC...
Configuring a Mitsubishi FX3 slave
I'm creating a full SCADA model for wind/solar power plant data and would like to know what the recommended method of capturing/displaying data is.
ASCII communication with AB make ML1400 on RS232.
I need to control a FC51 Danfoss VFD with LS PLC.
I need to start , stop & jog the drives.
I need to start , stop & jog the drives.
New Replies:
Dear Mr.Bruce
Thank you for your help Finally we got it working
...
xp with modsoft 2.61
New Replies:
ok thanks for direct IO i will try it.
my computer turn on in dos mode. and its very bad way to...
By Shane on 17 September, 2009 - 4:09 pm -
Hello-
http://www.direct-io.com/
This software will allow Modsoft to directly access your...
Hi,
I think that Modsoft 2.61 is not compatible with XP (It seems that the software can not...
Help with Tatsuno Pump protocol
I am trying to integrate a Modbus RTU device (Emerson ROC809) into a HART communications network (digital HART FSK over 4-20mA loop) with a Siemens S7-400 with PDM.
New Replies:
By Dan W on 18 September, 2009 - 8:15 pm -
> I understand that PDM needs EDD files so that is not the issue. <
I suspect it is an...
Is there a Modbus to BACnet data converter that allows the two protocols to communicate?
New Replies:
By Yogesh Deshmukh on 18 September, 2009 - 10:47 am -
Aftek's Modbus to BACnet converter (APC-BM series) is used to integrate HVAC systems (VAV boxes,...
How to configure a digital board for Unity.
New Replies:
Yes, Your are right, I did not validate my configuration. Now is ok. the configuration work.
%IW...
By Schneider Italy on 17 September, 2009 - 4:33 pm -
the message from unity pro "you board isn't ready" is displayed when you want to download...
communicating with ACM12 via MOdbus protocol to Proface touchscreen
New Replies:
Hi all,
i also want to communicate to Yokogawa DCS (Centum CS R30)via the ACM12 card. My data...
Need information on the Unity's connectivity
New Replies:
If you connected the NOE or the Processor Enet port to a switch (Yes you can program via the...
I hope this is a misunderstanding and that you mean if you can program the PLC from 2 different...
Hmmm...I am hoping that you meant that you want to have the ability to program the Quantum from...
Practical experience with large CAN networks.
Is VB can handle port number that have high number (like com 45 etc')?
Can I force the XP to automatic allocate port number less then specific value?
Can I force the XP to automatic allocate port number less then specific value?
New Replies:
By Yeasir Rahul on 17 September, 2009 - 2:14 am -
Answers to your questions:
1. VB6 comes with an ActiveX control named MSCOMM which will not...
What to measure when testing a RS485 cable
New Replies:
Do you want to check the cable or the device? To troubleshoot RS485 system the best approach is to...
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