11 diagnostic messages, 1 overview – ifm electronic RN3001 User Manual
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Encoder with Profibus interface
24
11 Diagnostic messages
11.1 Overview
In the DDLM_Slave_Diag operating mode, diagnostic data is transferred from
the encoder to the master on request� The number of the diagnostic bytes is 57�
Exception: Reduced diagnosis� The diagnostic data is output according to the
definitions of the Profibus standard (octets 1-6) or according to the encoder profile
(starting with octet 7)�
Diagnostic function
Data type
Diagnosis
Octet number
Encoder
class
Station status 1 (see: Profibus standard)
Octet
1
1
Station status 2 (see: Profibus standard)
Octet
2
1
Station status 3 (see: Profibus standard)
Octet
3
1
Diagnostic master address
Octet
4
1
PNO ID number
Octet
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
Resolution per revolution (hardware)
Unsigned 32
11���14
1
Number of revolutions (hardware)
Unsigned 16
15�16
1
Other alarm messages
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
Software version
Octet string
26, 27
2
Operating time
Unsigned 32
28���31
2
Zero point shift
Unsigned 32
32���35
2
Manufacturer specific: Offset value
Unsigned 32
36���39
2
Configured resolution per revolution
Unsigned 32
40���43
2
Configured total resolution
Unsigned 32
44���47
2
Serial number
ASCII string
48���57
2