Siemens SINUMERIK 840D sl Function Manual page 62

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Table of Contents

Safety Functions Integrated in the Drive

4.3 Safe Stop 1 (SS1, time–controlled)

Prerequisite

The Safe Torque Off function must be enabled.

In order that the drive can brake down to a standstill even when selected through

one channel, the time in p9652/p9852 must be shorter than the sum of the times

from the parameters for the crosswise data comparison (p9650/p9850 and

p9658/9858).

The time in p9652/p9852 must be dimensioned so that after selection, the drive

brakes down to a standstill.

Status for Safe Stop 1

The status of the Safe Stop 1 function is displayed using the following parameters:

Alternatively, the status of the functions can be displayed using the configurable

messages N01621 and N30621 (configured using p2118 and p2119).

Overview, important parameters (see

S refer to the safe standstill function

SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition

CO/BO: SI status (Control Unit)

CO/BO: SI status (Control Unit + Motor Module)

CO/BO: SI status (safe standstill group)

CO/BO: SI status (Motor Module)

Chapter 8.2.2 "Description of parameters")

OFF3 ramp–down time

SI Safe Stop 1 delay time (Control Unit)

SI Safe Stop 1 delay time (Motor Module)

Sinamics s120