How to find tag links between Weintek МТ8056Т and S7-200

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Alex3110
Posts: 159
Joined: Mon Sep 27, 2010 7:17 pm

How to find tag links between Weintek МТ8056Т and S7-200

Post by Alex3110 »

Hello, everybody !

I have a working project for Weintek МТ8056Т Operator Panel connected to PLC SIEMENS S7-200 .
I open the project with EasyBuilder 8000 v.1.34 Build 2008.11.04 or with “EasyBuilder 8000 v.3.45 Build 2010.04.28
There is "MODBUS-server" setting (but not “Siemens S7-200”) here :
EasyBuilder 8000 main window - “Edit” - "System Parameters Settings" window - "Device" tab – "MODBUS-server" string – press “Settings” - "Device Properties" window - PLC - "PLC Type" string .
I want to find a place in the EB8000 project where the links between panel tags and PLC tags are assigned explicitly.

Thank in advance.
Alex3110
Posts: 159
Joined: Mon Sep 27, 2010 7:17 pm

Re: How to find tag links between Weintek МТ8056Т and S7-200

Post by Alex3110 »

In other words how to make links between panel tags and Siemens S7-200 PLC when configuring the Weintek panels (e.g. the same МТ8056Т) .
joopstroop
Posts: 2
Joined: Thu Aug 08, 2013 9:32 pm

Re: How to find tag links between Weintek МТ8056Т and S7-200

Post by joopstroop »

Because you use the Modbus server driver the MT-8056T will be a slave device. So the siemens S7-200 will do all the communication. This is a very strange configuration because the weintek has an S7-200 driver aboard.
Alex3110
Posts: 159
Joined: Mon Sep 27, 2010 7:17 pm

Re: How to find tag links between Weintek МТ8056Т and S7-200

Post by Alex3110 »

That S7-200 PLC has CPU224XP which has two communication ports : «Port 0» and «Port 1».
Communication MT-8056T – S7-200 is set to «Port 1», because «Port 0» is busy for communication to some PLCs via MODBUS also.
In some forums they tell that with above mentioned connection type the panel is master.
“.....So the siemens S7-200 will do all the communication” – if it is so then where S7-200 does make those communication in «Step7 Micro/Win ?

Also if U know tell me, please, how to link the Panel tags to PLC ones in EB8000 .
joopstroop
Posts: 2
Joined: Thu Aug 08, 2013 9:32 pm

Re: How to find tag links between Weintek МТ8056Т and S7-200

Post by joopstroop »

The communication will be part in the ladderprogram or SFC that handles the communication that is inside the PLC. With the modbus server driver on the weintek you can only access LW/LB and RW/RB memory. So the weintek will be a slave device and the Siemens has to do the communication the weintek will only answer.

see this pdf for more info:

ftp://ftp.weintek.com/PLC_Connect_Guide ... hernet.pdf

So you have to look in the PLC and find the part of the program that does the communication.
Alex3110
Posts: 159
Joined: Mon Sep 27, 2010 7:17 pm

Re: How to find tag links between Weintek МТ8056Т and S7-200

Post by Alex3110 »

Thank U very much !!!!!!!!!!!!!!!!!!

I'll try to find the truth :)