Function Diagrams And Parameters - Siemens SINAMICS S120 Function Manual

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Safety Integrated basic functions

9.5 Safe Stop 1 (SS1, time controlled)

Differences between "Safe Stop 1 (time-controlled) with OFF3 and with external stop"

With external stop, "Safe Stop 1 (time-controlled)" functions in principle exactly the same

way as described in the previous Section "Safe Stop 1 (time-controlled) with OFF3". Note,

however, the following differences:

● In order to activate "Safe Stop 1 (time controlled) with external stop", additionally set

● When SS1 is selected, the drive is not braked along the OFF3 ramp, but after the delay

Function diagrams and parameters

Function diagrams (see SINAMICS S120/S150 List Manual)

time has expired (p9652/p9852), only STO/SBC is automatically initiated. After the

function has been selected, the delay timer runs down - even if the function is deselected

during this time. In this case, after the delay time has expired, the STO/SBC function is

selected and then again deselected immediately.

SI Basic Functions - STO (Safe Torque Off), SS1 (Safe Stop 1)

SI Basic Functions - STO (Safe Torque Off), safe pulse cancellation

Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3

Drive functions