Efficient Networks Siemens Sinamics S120 - Manual (Page 368)

Communication PROFIBUS DP/PROFINET IO
10.1 Communications according to PROFIdrive
Drive Functions
368
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
Bit Meaning Comments BICO
1 Power-on disable
A restart is only possible by means of OFF1 and
then ON.
6 Power-on disable
0 No power-up inhibit
Power-up is possible.
BO: r0899.6
1 Alarm present
The drive is operational again. No
acknowledgement necessary.
The active alarms are stored in the alarm buffer.
7 Alarm present
0 No alarm present
No active alarm in the alarm buffer.
BO: r2139.7
1 Setpoint-actual value monitoring within tolerance
band
Actual value within a tolerance bandwidth;
The tolerance bandwidth can be parameterized.
8 Following error within the tolerance
range
0 Setpoint/actual value monitoring not within
tolerance band
BO: r2684.8
1 Control required
The PLC is requested to assume control. Condition
for applications with isochronous mode: drive
synchronized with PLC system.
9 Control requested
0 Local operation
Control only possible on device
BO: r0899.9
1 Target position reached 10 Target position reached
0 Target position not reached
BO: r2684.10
1 Reference point set 11 Reference point set
0 Reference point not set
BO: r2684.11
0/1 Acknowledgement, traversing block 12 Acknowledgement, traversing
block activated
0 No effect
BO: r2684.12
1 Drive at standstill 13 Drive at standstill
0 Drive not at standstill
BO: r2199.0
14 Reserved – – –
15 Reserved – – –
STW2 (status word 2)
See function diagram [2454]
Table 10-13 Description of STW2 (status word 2)
Bit Meaning Comments BICO
0 DDS eff., bit 0 – BO: r0051.0
1 DDS eff., bit 1 – BO: r0051.1
2 DDS eff., bit 2 – BO: r0051.2
3 DDS eff., bit 3 –
Drive data set effective (5-bit counter)
BO: r0051.3