User guide

Page 12 BEI Sensors Profibus Manual serie M Revision 03/10
4 Class 1 and Class 2 profile
The encoder versions Class 1 and Class 2 are
defined by the working group encoder in the
„Profibus Nutzerorganisation“ in the “Profile for
Encoders” (available from the PNO, Order No.
3.062).
4.1 Parameter settings
The following table contains an overview of the
parameters according to the Profile for Encoders
and the structure of the parameter telegram.
(Usually it is not necessary for the user to know the
details of the structure – the parameters are set in
user-friendly forms in the operator software tool.)
Octet (= byte) No. Parameter Bit Nr. Details
1 ... 8 Profibus Standard Parameters
Code sequence 0
Class 2 functionality 1 Section 4.1.2, Page 13
Commissioning Diagnostics 2 Section 4.1.3, Page 13
Scaling function 3 Section 4.1.4, Page 13
Reserved 4
Reserved 5
6
9
Not used for Class 1 and Class 2
7
10
...
13
Measuring units per revolution Section 4.1.5, Page 13
14
...
17
Total measuring range Section 4.1.6, Page 14
18
...
25
Reserved (Profile)
26
...
Not used for Class 1 and Class 2
(Refer to versions 2.1 und 2.2)