Siemens SINAMICS S120 - Page 111

Communication via PROFIBUS
Cyclic communication
4-111
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Table 4-12 Description of A_STW1 (status word for B_INF), continued
Bit BICOCommentsMeaning
9 Control requested
1
Control requested
The programmable logic controller is
requested to assume control. Condition for
applications with isochronous mode: drive
synchronized with PLC system.
BO: r0899.9
0
Local operation
Control only possible on device
10 Reserved - - -
11 Bypass energized
1
Bypass energized
Pre-charging is complete and the bypass
relay for the pre-charging resistors is
energized.
BO: r0899.11
0
Bypass not energized
Pre-charging not yet complete
12
Line contactor energized
1 Line contactor energized
BO: r0899 12
12 Line contactor energized
0 Line contactor not energized
BO: r0899.12
13
14
15
Reserved - - -