Siemens Sinumerik 840D sl Function Manual page 155
Sinumerik safety integrated
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10/15
SG1
SG2
SGEs
for SG1
SGEs
for SG2
Figure 6-13 Timing when changing--over from a higher to a lower speed limit
Deselecting SG
The SG function can be deselected at any speed by activating the SGE "SBH/SG
deselection".
Warning
!
The delay time must also be selected as a function of the distance to the
hazardous location. The speeds to be taken into account (speed at which
hands/arms are moved to appropriately arrange protective devices/guards) are
specified in Standard DIN EN ISO 13855.
© Siemens AG 2015 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
v
V1
V2
SG1 is active
Safety functions integrated in the system/drive
6.5 Safely reduced speed (SG)
a) Braking is started
Delay time, speed changeover
SG2 is active
Braking time
Timer is active
t
6-155
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