Description of the individual safety relays
3.6 3TK28 safety relays with relay enabling circuits
3TK28 safety relays
Manual, 07/2016, NEB926157502000/RS-AB/003
35
Display of the operating state
Two LEDs and a slide switch indicate the operating state and functioning of the device:
● DEVICE
● OUT
Operating state of 3TK2820
DEVICE OUT Line supply EMERGENCY
ON Enabling circuit
On Not pressed Pressed Closed
Start
Down Monitored start
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