Interface description
NDRA91-92
Manual
Page 52
NADO
Because of the
NDRA91
P is a linear encoder for measuring absolute distances
the parameters "code sequence", "scaling function control", "measuring units
per revolution" and "measuring range in measuring units" are ignored.
Diag Common
The (general) diagnosis data correspond entirely to the profile standard, and
will be updated with every Profibus-Diagnosis-Request. The Common Diag-
data require the class 2 functionality and the Commissioning diagnostics
function. In the event of errors (Enn), an alarm is issued as extended diagnosis
which contains all diagnosis data. To see the current temperature and
operating time, the diagnosis interval has to be set ≠ 0. A diagnostic Interval of
100 leads to a data update every 10 sec.
Please observe that the laser has to capture and transmit a value in the DF
modes, i.e. temperatures are only transferred if values are captured.
Diag Alarm
Error messages of the laser are sent as unique Ext. Diag. The alarms are not
saved.
E98 shows problems with the internal communication. If errors occur, they are
reported as Ext. Diag and then please try to activate the laser again.
Diagnostic Data
Table 14 : Profibus diagnostic data length
Class 2
functionality
Commissioning
diagnostic
Diagnostic information
-
0
6 byte Normal-Diagnose
0
1
16 byte Class 1 - Diagnose
1
1
63 byte Class 2 – Diagnose