Siemens SINAMICS S120 Manual page 19

Safety integrated extended functions, fail-safe drives, controlling the cu320 from a tm54f and f-cpu

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SINAMICS S120 Fail-Safe Drives

F-DIs of the F-CPU

Emergency Stop pushbutton

F-DI0/F-DI4

Reset button

F-DI1

Protective door_1 open

F-DI2/F-DI6

Protective door_1 closed

Protective door_2 open

F-DI3/F-DI7

Protective door_2 closed

The drives can only be operated when the infeed is powered-up and the

Note

DC link is charged.

I DT Safety Integrated

SS1 in both drives

Acknowledges the Emergency Stop

function

Acknowledges an Internal Event in

TM54F

SLS_door_1 – 0 signal; drive_1

operates at a low speed.

SLS in drive 1 activated

SLS_door_1 – 1 signal; drive_1

operates at the normal speed.

SLS in drive 1 not activated.

SLS_door_2; drive_2 operates at a

low speed.

SLS in drive_2 activated

SLS_door_2 – 1 signal; drive_2

operates at the normal speed.

SLS in drive_2 not activated.

Page 19/43

Entry ID: 28424136

MC-FE-I-005-V11-EN

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