Siemens SINAMICS S120 - Page 109

Communication via PROFIBUS
Cyclic communication
4-109
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Table 4-10 Description of MSGW (message word), continued
Bit BICOCommentsMeaning
14
Reserved
1 –
14
15
Reserved
0 –
–
A_STW1 (status word for A_INF)
See function diagram [8926].
Table 4-11 Description of A_STW1 (status word for A_INF)
Bit
Meaning Comments BICO
0
Ready to power up
1 Ready to power up
BO: r0899 0
0 Ready to power up
0 Not ready to power up
BO: r0899.0
1 Ready
1
Ready
DC link pre-charged, pulses inhibited
BO: r0899.1
1
Ready
0 Not ready
BO:
r0899.1
2 Operation enabled
1
Operation enabled
Vdc = Vdc_setp
BO: r0899.2
2
Operation
enabled
0 Operation inhibited
BO:
r0899.2
3
Fault active
1 Fault active
BO: r2139 3
3 Fault active
0 No fault
BO: r2139.3
4
No OFF2 active
1 No OFF2 active
BO: r0899 4
4 No OFF2 active
0 OFF2 active
BO: r0899.4
5 Reserved - - -
6 Power-up inhibit
1
Power-up inhibit
Fault active
BO: r0899.6
6
Power up
inhibit
0 No power-up inhibit
BO:
r0899.6
7
Warning active
1 Warning active
BO: r2139 7
7 Warning active
0 No alarm
BO: r2139.7
8 Reserved - - -
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 - - -