Yes, for PLCopen Motion library you need ctrlX MOTION. With RM22.11 (V1.18) in November 2022 we plant to support more than 30 axes with ctrlX CORE X7. Conccerning further details, please give me a personal note PN.
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Updating a ctrlX CORE from 1.10 to 1.12 app by app is not possible. You have to do an update with a complete system image. See our online documentation for further information.
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In general I would say that you make a internal working copy of the variables published to the Data Layer. If the value gets written your PLC code can react to it and only if your checks are fulfilled you take to your internal program. Otherwise you write the last known value.
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As an extension:
When you check command state with a random ID value, the state is undefined. Customer have to make sure to use a valid ID.
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