Technical data

Communication
9.2 Communication according to PROFIdrive
Function Manual
Function Manual, 06/2012, 6SL3097-4AB10-0BP4
601
CU_STW1 (control word for Control Unit, CU)
See function diagram [2495].
Table 9- 27 Description of CU_STW1 (control word for Control Unit)
Bit Meaning Remarks Parameter
0 Synchronization flag – This signal is used to synchronize the joint system time between the
controller and drive unit.
BI: p0681[0]
1 RTC PING – This signal is used to set the UTC time using the PING event. BI: p3104
2...6 Reserved – – –
7 Acknowledging faults 0/1 Acknowledging faults BI: p2103
8...9 Reserved – – –
0 External controller has no control via the CU
Once the prevailing faults on all DOs have been acknowledged, the
fault is also acknowledged implicitly on DO1 (CU).
10 Control taken over
1 External controller has control via the CU
The prevailing faults have to be acknowledged on all DOs and also
explicitly on DO1 (CU).
p3116
11 Reserved – – –
12 Controller sign-of-life
bit 0
–
13 Controller sign-of-life
bit 1
–
14 Controller sign-of-life
bit 2
–
15 Controller sign-of-life
bit 3
–
Controller sign-of-life CI: p2045