Diagnostic header, Table 20, Diagnostic message, dpv0 – HEIDENHAIN PROFIBUS-DP (DPV0) User Manual
Page 44

Encoder and Gateway functionality, DPV0
44
Diagnostic function
Data type
Diagnostic
Octet number
Device
class
Software version
Octet string
26-27
2
Operating time
32 without sign 28-31
2
Offset value
32 with sign
32-35
2
Manufacturer offset value
32 with sign
36-39
2
Measuring units per revolution
32 without sign 40-43
2
Total measuring range in measuring
units
32 without sign 44-47
2
Serial number
ASCII string
48-57
2
Reserved for future
58-61
2
Table 20
Diagnostic message, DPV0
Note:
The length of the diagnostic information of class 1
is limited to 16 bytes, compatible with previos DP
version. For PROFIBUS-DP encoders of class 2, the
length of the encoder specific diagnostic data
including the extended diagnostic header is
57 bytes.