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How to open an XBTP application with XBTL V4.50 or XBTL V4.51

Goals and Symptoms

It is impossible to open an XBTP application with XBTL V4.50 or XBTL V4.51 when the XBTP application has been created with a previous version.
This message occurs when XBTL tries to open the .DOP application: 'This is not an XBTL1000 file'

Causes and Fixes

This issue appears with applications using Modbus protocol from XBTL V4.50 and upper, with the following targets:

- XBT-H012110
- XBT-P021110
- XBT-P022110
In order to fix this issue, you need to install a patch: it consist in replacing the faulty file named xbtmodb.des by a new one (see attached file)Xbtmodb.zip

Warning: this patch works only with XBTL1000 V4.51.

The main steps are:
1. Close XBT-L1000
2. Copy the attached "xbtmodb.des" file in the XBTL1000 folder (eg : C:\Program Files\schneider electric\L1000) and replace the previous "xbtmodb.des" file
3. Launch XBT-L1000 : the patch is now available.

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