Kepserver simulation

sayahan2003

Member
Join Date
Jun 2006
Location
Calgary
Posts
185
Hi Everyone,

I am going to make a Modbus TCP link between Kepserver and an analyzer, but the analyzer is not available yet. Is there any software that I can use it as a simulator to communicate with Kepserver?
 
Two ways come to mind:
https://sourceforge.net/projects/easymodbustcp/
The latest package comes with a simulator for testing. This would work would with the Kepserver.
http://www.automationdirect.com/adc/Overview/Catalog/Software_Products/Programmable_Controller_Software/Do-more_PLC_Programming_Software
Automation Direct Do-More Designer Software. This PLC software comes with a simulator. I have used Modbus TCP to communicate to it from other packages. Kepserver should be no exception.
http://support.automationdirect.com/products/domore.html

Hope this helps you out,
 
Thanks Chris,
So, I configured the Kepserver as it shown in the attached photo. Now, what is the next step? How I can communicate with the simulator?

Capture1.jpg
 
sayahan2003

is the simulator on the same PC?

If so, set Channel 1 to Modbus TCP/IP Ethernet

Set AIT-4140 under general as Modbus and set the ID to <localhost>.1
Check the port is 502 (under the Ethernet tab). that should get you going

you will need to run the OPC Quick client to see any values
 
The OPC quick Client is connected to Kepware, its showing good values for the data. what modbus address are your tags set to?
 
The OPC quick Client is connected to Kepware, its showing good values for the data. what modbus address are your tags set to?

Even if I don't open the simulator, it is showing "good" value! The address for AIT-4140 in kepserver is is register 40001. I can not read or write to this register using simulator.
 
OK

lets get Kepware communicating first.
I have kepware on a different machine so I use an IP address, if you haven't already you could try the loop back address of <127.0.0.0> or any actual IP address on the machine.
This is mine:

puTbopP.png



This works.

Now Kepware will not connect until it has a client, so run the Quick Client and it will connect.
 

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