Interface Signals - Siemens SINUMERIK 840D sl Function Manual

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Interface signals

General information

The safety–related input and output signals (SGE and SGA) are signals that are

sent to and received from the system through two channels.

A STOP F (displayed using Alarms 27001, 27101 and onwards or F01711) only

results in a subsequent STOP B/A response, if at least one of the safety–related

functions SBH, SG, SE or SN is active or selected. If only the function "n < nx" is

active, then a STOP F does not result in a subsequent STOP B/A response.

This means that if "n < nx" is used as a safety function, at least one of the SBH,

SG, SE or SN functions must either be active or selected (e.g. by selecting a high

The SGE/SGA in the drive monitoring channel are mapped in an area of the

NC/PLC interface (signals to/from the drive) and must be supplied in the PLC user

As a result of the two–channel structure of Safety Integrated, the machine

manufacturer must supply the SGE and SGA in both the NCK monitoring channel

and the drive monitoring channel.

Unused SGE must be set to a defined state.

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

Data Description

8.3 Interface signals

Sinamics s120