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8.3.4
Data Storage
The “Data Storage” function makes it much easier to replace defective IO-Link devices.
This means that the entire parameter set of the device, e.g. switching point, additional
logic or teach-in settings, is stored centrally in the SIG350. When a connection is made
to a compatible device, this stored parameter set is written to the device and it behaves
like the replaced device. There are two different use cases, which are described in the
following:
“ Restore” application case:
Parameters are read and written in both directions (from the IO-Link Master to the
device and vice versa). This mode is predominantly used for commissioning, i.e.
changes to the device parameterization triggered by a teach-in, for example, are
automatically uploaded and stored in the data memory object of the SIG350. Device
replacement is also supported, e.g. the parameterization is automatically copied to the
new device if a device has to be replaced.
“Restore” application case:
In this mode, the parameterization of the connected IO-Link device is saved and frozen.
These parameters cannot be changed by the device, i.e. a teach-in directly at the device
is ignored. The replacement of defective devices is also possible. This requires a certain
degree of device compatibility. For this reason, the Device ID and Vendor ID must be
specified.
8.3.4.1
Example use
The “Data Storage” function of the SIG350 IO-Link Master enables easy replacement
of defective IO-Link sensors. The following example shows step-by-step how the SIG350
can be used to commission a new IO-Link device so that a replacement device is
automatically parameterized according to the original device.
•
Start the web interface and navigate to the “Ports” tab. Select the desired function
with the “Validation and backup” button. This setting is only available for pin 4, as
the Data Storage function is restricted to IO-Link communication.
•
As soon as the “Backup and Restore” or “Restore” selection has been activated,
additional buttons appear which serve to validate the connected device.
The Device ID and Vendor ID must correspond to the data of the connected device. This
data is checked in the event of device replacement and an error message is returned in
the event of deviating data.
OPERATION
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8027836./2022-06-10 | SICK
O P E R A T I N G I N S T R U C T I O N S | Sensor Integration Gateway - SIG350
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Subject to change without notice