Profibus user manual – BEI Sensors PHU9 Absolute Hollow Shaft Encoder User Manual
Page 17

PROFIBUS USER MANUAL
Preliminary
17
BEI IDEACOD SAS
Espace Européen de l’Entreprise
9, rue de Copenhague
B.P. 70044 Schiltigheim
F 67013 Strasbourg Cedex
Tél
: +33 (0)3 88 20 80 80
Fax : +33 (0)3 88 20 87 87
Mail :
Web : www.bei-ideacod.com
5.1 Parameter
In the following the manufacturer specific
parameters are described in detail. The
parameters according to the Profile for
Encoders are supported too, description: see
chapter 4.
5.1.1 Activate manufacturer-specific parameters
The manufacturer-specific parameter byte 26
is activated with bit 6 in octet 9.
Bit 7 in octet 26 activates further parameter
bytes (27-39).
Usually this happens automatically if the
encoder versions BEI IDEACOD 2.2 are
selected. It is only important for the user to
observe this if the parameters are entered
“manually” (directly using hex-code).
Octet 9 Bit 6
Octet 26
0
Deactivated
1
Activated
Octet 26 Bit 7 Octet 27 – 39
0
Deactivated
1
Activated
5.1.2 Desired measuring units
The parameter „desired measuring units“ is
used to program any required number of steps
over 1 revolution, over the whole measuring
range or over a part of the measuring range.
The reference for the desired measuring units is
specified with the parameter „Desired
measuring units reference“ (cp. 5.1.3). If “per
revolution” is selected the measuring range
can be adapted with the parameter “total
measuring range”. Please observe the rules in
section 4.1.6.
Note: With many software tools it is necessary
to divide the value into high and low word,
refer to page 34.
Octet
10
11
12
13
Bit
31 - 24
23 - 16
15 - 8
7 – 0
Data
2
31
to 2
24
2
23
to 2
16
2
15
to 2
8
2
7
to 2
0
Desired measuring units