SDAT-MHS
Festo – SDAT-MHS – 2017-11f English 23
8.2 General malfunctions
Note
If the device detects an error during the IO-Link operation a status signal is emitted on
the IO-Link master. The IO-Link/switching output is not blocked.
Malfunction Possible cause Remedy
Incorrect or unexpected
signals at the analogue
output or in the IO-Link
process data
Inappropriate drive Use an appropriate drive.
Device defective Replace device.
No operating voltage or
impermissible operating voltage
Comply with operating voltage
range.
Short circuit or overload at the
output
Eliminate short circuit/overload.
Magnetic objects in close
proximity to the position
transmitter
Prevent magnetic objects being in
close proximity.
Sensor/drive rotated by 180°
after initial start-up
Reset to factory settings (using
the operating key or via IO-Link).
Incorrect or unexpected signals
during initial start-up on grippers
or in top elements which are
partly ferromagnetic
At initial start-up, move gripper
jaws or pistons within the sensing
range (e.g. at both end positions).
Switching output does not
switch corresponding to
the settings
Short circuit or overload at the
output
Remedy short circuit / overload.
Device defective Replace device.
Settings cannot be edited Access protection active Release key (only possible via
IO-Link).
Tab. 8 Possible malfunctions
9 Accessories
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