Siemens 3TK2810-1 System Manual page 74

Safety relays, safety-related speed monitor, industrial controls

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Circuit diagrams

10.1 Circuit diagram

Speed and standstill monitoring using encoders and an NPN or PNP proximity switch; setup

mode; transmission ratio set; protective door monitoring active; in the case of manual start,

on pushbutton at T4/ST; in the case of autostart, jumper at T4/ST; suitable up to SIL 3,

Performance Level e, SK 4 (a requirement for SK 4 is that in the case of longer standstill

times, a forced dormant error detection procedure t < 24 hrs is carried out).

3TK2810-1 safety-related speed monitor

System Manual, 01/2011, 926246402000 DS 02

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