Siemens SINUMERIK 840D sl Function Manual page 68

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Table of Contents

Safety Functions Integrated in the Drive

4.5 Control via terminals on the Control Unit and the power unit

Simultaneity and tolerance time of the two monitoring channels

The functions must be selected/deselected simultaneously in both monitoring

channels using the input terminals and act only on the associated drive.

1 signal: Deselecting the function

0 signal: Selecting the function

"Simultaneously" means:

The changeover must be completed in both monitoring channels within the para-

meterized tolerance time.

S p9650 SI tolerance time F–DI changeover (Control Unit)

S p9850 SI tolerance time F–DI changeover (Motor Module)

If the function is not selected/deselected within the tolerance time, this is detected

by the crosswise data comparison and fault F01611 and F30611 (STOP F) is out-

put. In this case, the pulses have already been canceled as a result of the selec-

tion through one channel.

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

Sinamics s120