SDAT-MHS
22 Festo – SDAT-MHS – 2017-11f English
7 Disassembly
1. Switch off the operating voltage.
2. Separate the connections from the SDAT-MHS.
3. Loosen the mounting screws (è Fig. 8).
4. Take the SDAT-MHS out of the T-slot of the drive.
8 Fault clearance
8.1 Diagnostics via LED
LED display
Yellow Green Red
Possible cause Remedy
Voltage supply defective Secure the power supply.
All LEDs off Connecting cable defective Replace the connecting cable.
Sensor defective Replace device.
Sensor defective Switch power supply on/off.
Replace device.
Red LED flashing
Short circuit/overload at the
switching output
Eliminate short circuit/overload.
Yellow LED flashing at 3 Hz Parameter error Reset device to factory setting
(è Chapter 6.3).
Communication error in the
IO-Link mode
Check IO-Link master.
Restart communication.
Check C/Q line.
Yellow LED flashing at 3 Hz
Green LED flashing at 1 Hz
Tab. 7 LED indicators with malfunctions
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