Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
428 Operating Instructions, 12/2018, A5E34763375A
Encoder n status word (Gn_ZSW, n = 1, 2)
The encoder status word is used to display states, errors and acknowledgements.
See function diagram [4730]
Table 10- 18 Description of the individual signals in Gn_ZSW
Signal status, description
0
1
2
3
Reference
mark search
Status:
Function 1 - 4
active
Valid for "Reference mark search" and "Flying measurement"
Bit Meaning
• Bit x = 1 function active
Bit x = 0 function inactive
4
5
6
7
Status:
Value 1 - 4
available
Applies to reference mark search
4 Value 1 Reference mark 1
• Bit x = 1 value available
Bit x = 0 value not available
• Only one single value can be retrieved.
Reason: There is only one common status word Gn_XIST2 to read the values.
8 Reserved
9 Reserved
11 Encoder fault acknowledge
active
1 Encoder fault acknowledge active
See at STW.15 (acknowledge encoder error)
No acknowledgement active