Historical Log files (.LGH and .IDX) are much larger in InTouch 2023 and InTouch 2023 R2

SUMMARY

When looking the files sizes of the InTouch Historical Log (.LGH and .IDX) files, they are noticeably larger for the 2023 and 2023 R2 version compared the previous versions.

APPLIES TO

• InTouch HMI 2023 and newer

EXPLANATION

With InTouch 2023 the design/ format of .LGH and .IDX files has significantly increased to accommodate the following changes:

• The maximum number of tags allowed has been increased to 100K. The previous tag limit was 60K.
• For older LGH files, the tag length was limited to 32 characters. The new LGH files support a tag length of 128 characters.
• From InTouch 2023 onwards, the extended tag structure now supports tag name, tag description, and remote tag length up to 128, 160, and 254 characters, respectively.