Safety-Related Input/Output Signals (Sge/Sga) - Siemens SINUMERIK 840D Description Of Functions

11.03

3.9 Safety-related input/output signals (SGE/SGA)

3.9 Safety-related input/output signals (SGE/SGA)
Description The safety-relevant input and output signals (SGEs and SGAs) are signals that
are sent to or received by the system via two channels using:
•
Fig. 3-25
•
Fig. 3-26
Using these signals, the following can be requested or signaled in each
monitoring channel and for each axis/spindle with safety technology:
Safety functions can be selected and de-selected
Speed limit values can be selected and changed-over
Position limit values can be selected and changed-over
Feedback of status signals relating to safe operation
Cam signals can be output
Processing in two channels for SGEs and SGAs
Function features
Processing in the NCK monitoring channel
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
Separate NCK and PLC I/Os
SGE/SGA via separate PLC and NCK I/Os
or via PROFIBUS with PROFIsafe protocol and S7 fail-safe modules
SGE/SGA via PROFIBUS with PROFIsafe protocol
3 Safety-Related Functions
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