Siemens SINAMICS S120 Function Manual page 368

Communication PROFIBUS DP/PROFINET IO
10.1 Communications according to PROFIdrive
Bit Meaning
6 Power-on disable
7 Alarm present
8 Following error within the tolerance
range
9 Control requested
10 Target position reached
11 Reference point set
12 Acknowledgement, traversing
block activated
13 Drive at standstill
14 Reserved
15 Reserved
STW2 (status word 2)
See function diagram [2454]
Table 10-13 Description of STW2 (status word 2)
Bit Meaning
0 DDS eff., bit 0
1 DDS eff., bit 1
2 DDS eff., bit 2
3 DDS eff., bit 3
368
Comments
1 Power-on disable
A restart is only possible by means of OFF1 and
then ON.
0 No power-up inhibit
Power-up is possible.
1 Alarm present
The drive is operational again. No
acknowledgement necessary.
The active alarms are stored in the alarm buffer.
0 No alarm present
No active alarm in the alarm buffer.
1 Setpoint-actual value monitoring within tolerance
band
Actual value within a tolerance bandwidth;
The tolerance bandwidth can be parameterized.
0 Setpoint/actual value monitoring not within
tolerance band
1 Control required
The PLC is requested to assume control. Condition
for applications with isochronous mode: drive
synchronized with PLC system.
0 Local operation
Control only possible on device
1 Target position reached
0 Target position not reached
1 Reference point set
0 Reference point not set
0/1 Acknowledgement, traversing block
0 No effect
1 Drive at standstill
0 Drive not at standstill
– –
– –
Comments
– Drive data set effective (5-bit counter)
–
–
–
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
BICO
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BO: r2684.10
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BO: r2684.12
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BICO
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Drive Functions