11.03 3 Safety-Related Functions
3.2 External STOPs
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
3-83
An external STOP E in contrast to the other external stops, results in Alarm
27020, which can only be acknowledged with a reset. The program cannot be
directly continued, since retraction from the desired contour was executed by
the configured ESR. The reset required must also be considered during the test
stop sequence.
This signal indicates that STOP A/B is active.
The signal must be used for the forced checking procedure for external STOPs.
0 signal: STOP A/B is not active
1 signal: STOP A/B is active
This signal indicates that STOP C is active.
The signal must be used for the forced checking procedure for external STOPs.
0 signal: STOP C is not active
1 signal: STOP C is active
This signal indicates that STOP D is active.
The signal must be used for the forced checking procedure for external STOPs.
0 signal: STOP D is not active
1 signal: STOP D is active
This signal indicates that STOP E is active.
The signal must be used for the forced checking procedure for external STOPs.
0 signal: STOP E is not active
otherwise: STOP E is active
For SGEs "de-select ext. STOP A", "de-select ext. STOP C", "de-select ext.
STOP D" and "de-select ext. STOP E" the following input bit combinations are
possible:
Table 3-12 Input bit combinations
SGE
De-
selection
ext.
STOP E
De-
selection
ext.
STOP D
De-
selection
ext.
STOP C
De-
selection
ext.
STOP A
Description
x x x 0 "Pulse cancellation" is triggered
x x 0 1 "Brake with n
set
=0" is triggered
x 0 1 1 "Braking along a path" is triggered
1 1 1 1 External STOPS are not selected
0 1 1 1 "ESR" is initiated
SGA
STOP A/B active
SGA
STOP C active
SGA
STOP D active
SGA
STOP E active
Combinations for
external STOPs
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