DESIGO V4 3rd Party LON Integration Process Part-1

In this Article we going to discuss about Siemens DESIGO V4 3rd Party LON Integration into PX Step by Step Guide Part -1 

Topology

• Depending on whether the BACnet communication is over LON or over IP, a PXC00.D or a PXC00-E.D will be used respectively.

• An additional module PXX-L11 (up to 60 LON devices) or PXX-L11 (up to 120 LON devices) is used together with the controller for the field device communication.

• The same topology applies for the 3rd party LON device integration.

• When more than 60 LON devices are connected to the network you will need to add a LON router or LON repeater to split the LON bus in different LON segments.

• The distance limitation of a LON segment is 900 m with a serial topology or 450 m if you are using a free topology.

• To extend the distance you can use a LON router or Repeater.

• The maximum number of repeaters in a LON bus is 1 and the maximum number of repeaters is 4.

Do not forget to use LON Bus Terminators :

Software

Following tools need to be installed in the commissioning PC

1. Xworks Plus (XWP)
2. RXT10.3
3. Marlon Tool

• RXT10.3 tool is used at field level to engineer and commission the RXCs.

• Xworks Plus is the automation level engineering tool used to engineer the PX controller.

• Marlon tool will only be used to obtain the types of CFC IO blocks that will have to be used in Xworks Plus to integrate the LON network variables.

Steps : 

• Start the RXT10.3 tool from the icon on the desktop.The RXT10 tool starts

1

• Create a project by selecting Project, New from the menu.

2

• Select the required application library, V2.37 for new projects.

3

• Add the name and details of the project in the summary tab and press OK.

4

• Save the project using the Save As option from the menu.

5

• Create a new folder with a suitable name under the RXT10 Projects folder. This can be found on

• C:\Program Files\Siemens\DESIGO\RXT\Projects.

6

• Open the new project folder (example: HITACHI) with a double-click.

7

• Write file name for the your RXT10 project file.

8

• You can maximize the project list view for easy engineering. 

• Now RXTool window should look like this.

9

• Add PXX-L* device to the project.

10

• Write a suitable Location and Description for the PXX module. 

• These data will be imported into XWP.

Note: 

• Remember not to use any other characters than a-z, A-Z or 0-9 in the Location field. Otherwise you will not be able to export the XWP data later on.

11

• Go to the Device Type tab and choose the PXX –Lxx LON module type from the device type list box.

12

• Then select the correct PXX-Lxx module: PXX-L11 or PXX-L12.

13

• Press OK. The screen should now appear similar to this.

14

• Now add the LON 3rd party device as follows.

15

• Fill in the Location and the Description 

Note:

• Remember not to use any other characters than a-z, A-Z or 0-9 in the Location field.   

• Otherwise you will not be able to export the XWP data later on.

16

• Select “Plug In Support” as Device Type.

17

• Press OK.

18

• Your screen will now look like this.

19

• If you want to add more than one 3rd party device you can use the Copy and Paste Special functions.

20

21

• Choose the number of devices you want to add and press OK.

22

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we will see the balance Steps of  DESIGO V4 3rd Party LON Integration Process  in Part-2 Article.

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