Siemens 6RA8085-6DS22

Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
434 Operating Instructions, 12/2018, A5E34763375A
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
Remarks
Interconnection
parameter
0
Reserved
–
–
–
1 RTC PING – This signal is used to set the UTC time using the PING
event.
p3104 = r2090.1
2...6
Reserved
–
–
–
7 Acknowledge faults Acknowledge faults p2103[0] = r2090.7
8...9
Reserved
-
-
-
10 Control transferred 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).
p3116 = r2090.10
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).
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
Interconnection parameter
0
Digital output 0 (DO 0)
p50771[0] = r2091.0
1
Digital output 1 (DO 1)
p50772[0] = r2091.1
2
Digital output 2 (DO 2)
p50773[0] = r2091.2
3
Digital output 3 (DO 3)
p50774[0] = r2091.3
4...15
Reserved
-