HEIDENHAIN PROFIBUS-DP (DPV0) - Manual (Page 43)

Encoder and Gateway functionality, DPV0
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5.6 Diagnostics
The diagnostic information contains diagnostic data which are
defined in the PROFIBUS-DP specification (octets 1 to 6) but
also encoder specific diagnostic data:
DDLM_Slave_Diag
Diagnostic function Data type Diagnostic
Octet number Device
class
Station status 1 Bits 1 1
Station status 2 Bits 2 1
Station status 3 Bits 3 1
Diagnostics master address Bits 4 1
PNO identification number Bits 5-6 1
Extended diagnostic header Octet string 7 1
Alarms Octet string 8 1
Operating status Octet string 9 1
Encoder type Octet string 10 1
Singleturn resolution(encoder)
Measuring unit (linear encoder)
32 without sign 11-14 1
Number of distinguishable revolutions 16 without sign 15-16 1
Additional alarms Octet string 17 2
Supported alarms Octet string 18-19 2
Warnings Octet string 20-21 2
Supported warnings Octet string 22-23 2
Profile version Octet string 24-25 2