Integration into the automation system
3.3 Changing and saving device parameters during plant operation
IO-Link system
Function Manual, 12/2017, A5E31637677-AB
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Triggering a backup
Requirements
● You have set the correct data backup level.
● The IO-Link master and the IO-Link devices you are using support this function (IO-Link
Specification V1.1).
There are several ways to trigger a backup:
● In the engineering tool:
After you have downloaded the engineering settings to the device, the IO-Link device
immediately triggers a backup.
● In the CPU user program:
IO-Link device parameters can be changed successively by the user program.
A backup is only triggered by a system command. The system command must be
triggered by the user program after the parameter changes.
You can implement the parameter changes and the system command for triggering the
backup with function blocks of the CPU.
● Using the HMI:
You proceed as with triggering by the user program.
The plant operator then triggers the necessary system command on the HMI device.
● Locally by operating the IO-Link device:
After confirming the input on the IO-Link device, the IO-Link device initiates the backup.
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