Safety Integrated Functions in
SINAMICS Drive Systems
6.7 Control via PROFIsafe
Connection of the SINAMICS S120 to the Technology CPU
204 Product Information, 09/2011, A5E00480378-04
Structure of PROFIsafe control word (S_STW1, PCD1 in message frame 30, output signals)
Table 6- 5 Structure of the PROFIsafe control word
Bit Meaning Remarks BICO
1 STO deactivation 0 STO
0 STO activation
r9720.0
1 SS1 deactivation 1 SS1
0 SS1 activation
r9720.1
1 SS2 deactivation 2 SS2
0 SS2 activation
r9720.2
1 SOS deactivation 3 SOS
0 SOS activation
r9720.3
1 SLS deactivation 4 SLS
0 SLS activation
r9720.4
5 Reserved - - -
6 Reserved - - -
1/0 Acknowledgment 7 Internal Event ACK
0 No acknowledgment*
r9720.7
- - 8 Reserved
- -
-
9 Select SLS bit 0 - r9720.9
10 Select SLS bit 1 -
Selection of the speed limit for SLS
(2 bits)
r9720.10
11...15 Reserved - - -
* Acknowledgment takes place via positive edge change.
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