Siemens Sinumerik 840D sl Function Manual page 59

Sinumerik safety integrated

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If two power transistors in the power unit fail at the same time (one in the upper

bridge and one in the lower bridge of the inverter), this can cause brief, limited

The maximum movement can be:

S Synchronous rotary motors: Maximum motion = 180° / pole pair number

S Synchronous linear motors: Max. movement = pole width

The "automatic restart" function may not be used together with the safety functions

STO/SBC and SS1. The reason for this is that EN 60204--1 Chapter 9.2.5.4.2

does not permit this (merely de--selecting a safety shutdown function must not

cause the machine to restart).

The deactivation all components, e.g. using p0105, with activated Safety functions

is not permitted.

SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition

Safety Functions integrated in the drive

4.2 Safety instructions

Sinamics s120