New ISaGRAF retained variable is better than old one?

2022-01-19
The old method to use retain variable is to check "Retain" in the ISaGRAF dictionary as below. The retain value keep when power is off. However it has a big disadvantage. The retained value will be lost when download a modified project to the controller.

ICP DAS

I-7188EGI-7188XGI-8xx7W-8x37

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Sep.2005

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FAQ-026

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