SDAT-MHS
Festo – SDAT-MHS – 2017-11f English 19
5.4 Block / unblock operating key
In the IO-Link mode, the operating key is automatically and always blocked.
In the switching output operating mode, the operating key is unlocked as standard. But it can be
blocked in the IO-Link mode for the switching output operating mode:
1. Produce IO-Link mode.
2. Select key block for switching output operating mode in the IO-Link parameter menu:
– device access block,
– local user interface block.
LED display with blocked operating key:
– If the operating key is pressed: Green LED flashes 3 seconds at 3 Hz.
– Yellow LED displays the current status of the switching output.
– Red LED is illuminated only when the piston is outside the sensing range.
5.5 Program IO-Link output
The IO-Link function cannot be set via the operating keys on the device. All settings for set-up, commis
sioning and parameterisation are made in the higher-level controller of the IO-Link master.
1. Load the device description file IODD (è www.festo.com/sp) belonging to the device into the
interpreter of the IO-Link masters.
2. Connect the IO-Link/switching output to the IO-Link master.
3. Program the device. Observe the instructions on this in the operating instructions of the IO-Link
masters.
Note
If the device detects an error during commissioning, it is displayed on the user interface
of the IO-Link master and the programming option is closed.
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