Siemens SINUMERIK 840D sl Function Manual page 131

05.08
Note
S For external STOPs, alarms are not displayed. This means that the user
himself must configure the required message/signal.
Combinations for external STOPs
The following input bit combinations are obtained for the SGEs "deselect ext.
STOP A", "deselect ext. STOP C", "deselect ext. STOP D" and "deselect ext.
STOP E":
Table 6-8
Deselect
external
STOP E
x
x
x
0
1
Acknowledging a stop request
After requesting a specific stop type via SGE, this sequence can be cancelled by
one of the following events:
S Deselecting the stop request
S Selecting a stop request using an SGE with a higher priority
S A higher stop request (STOP A; B; C or D) with a higher priority is received
from an internal monitoring function
© Siemens AG 2008 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
Safety Functions Integrated in the System/Drive
Input bit combinations
Deselect Deselect
external external
STOP D STOP C
x x
x 0
0 1
1 1
1 1
SGE
Deselect Description
external
STOP A
0 "Pulse cancellation" is initiated
1 "Braking with n
1 "Braking along a path" is initiated
1 "ESR" is initiated
1 External STOPs are not selected
6.3 Safe Stops A–F
= 0" is initiated
set
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