Siemens SINAMICS Series Operating Instructions Manual page 436

Descriptions of functions
10.3 Communication according to PROFIdrive
CU_STW1 (control word for Control Unit, CU)
See function diagram [2495].
Table 10- 21 Description of CU_STW1 (control word for Control Unit)
Bit Meaning
0 Reserved
1 RTC PING
2...6 Reserved
7 Acknowledge faults
8...9 Reserved
10 Control transferred
11...15 Reserved
A_DIGITAL (digital outputs)
This process data can be used to control the Control Unit outputs.
See function diagram [2497].
Table 10- 22 Description of A_DIGITAL (digital outputs)
Bit Meaning
0 Digital output 0 (DO 0)
1 Digital output 1 (DO 1)
2 Digital output 2 (DO 2)
3 Digital output 3 (DO 3)
4...15 Reserved
434
Remarks
– –
– This signal is used to set the UTC time using the PING
event.
– –
Acknowledge faults
- -
0 The CU has control
Once the propagated faults have been acknowledged at all
drive objects, the fault is also implicitly acknowledged at
drive object 1 (DO1 ≙ CU).
1 External control has control
The propagated faults must be acknowledged at all drive
objects and must also be explicitly acknowledged at drive
object 1 (DO1 ≙ CU).
–
Interconnection
parameter
–
p3104 = r2090.1
–
p2103[0] = r2090.7
-
p3116 = r2090.10
-
Interconnection parameter
p50771[0] = r2091.0
p50772[0] = r2091.1
p50773[0] = r2091.2
p50774[0] = r2091.3
-
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A