Siemens SIRIUS 3TK2810-1 Manual page 76

Circuit diagrams
11.1 Circuit diagram
Application examples
Speed and standstill monitoring using a suitable encoder, automatic mode; in the case of
manual start, ON button 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
(standstill time > 24 h), a start-up test must be carried out).
Two-channel speed and standstill monitoring using two NPN or PNP proximity switches,
automatic mode; protective door monitoring active; in the case of manual start, ON button 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 (standstill time > 24 h), a
start-up test must be carried out).
Please read the note "Connecting the initiators" in Chapter "Product-specific information
(Page 13)".
76
3TK2810-1 safety-related speed monitor
Equipment Manual, 05/2020, NEB926246402000/RS-AE/007