Lika XAC80 PB, Руководство пользователя, Страница: 39 / 60

XAC80 Profibus-DP
®
7 - Profibus® interface
Lika encoders are Slave devices and comply with “Profibus-DP Profile for
Encoders”; they can be set as Class 1, Class 2 or Class 2(+VEL) devices (see the
“7.2 Classes of the Device profile“ section on page 39).
For any omitted information refer to the official Profibus website
www.profibus.com
.
7.1 GSD file
Profibus encoders are supplied with their own GSD file, they are specific for
each encoder model. To download the file enter
www.lika.biz > ROTARY
ENCODERS > ABSOLUTE ENCODERS > PROFIBUS
).
The GSD file must be installed in the Profibus Master device.
The available GSD files are:
xac80_18.GSD:
XAC8018/1PB (18 bit singleturn encoder)
xac80_27.GSD:
XAC8013/16384PB (13 + 14 bit multiturn encoder)
xac80_30.GSD:
XAC8016/16384PB (16 + 14 bit multiturn encoder)
WARNING
Please pay attention to install the right GSD file in the matching encoder model.
7.2 Classes of the Device profile
Encoder class must be set when you configure the device.
Mandatory
Class 1
provides the basic functions of the device and can be used
for:

sending the position value (refer to the Position value parameter on page
49);

changing the counting direction (refer to
Code sequence
parameter on
page 43);

setting the preset value (refer to
Preset value
parameter on page 50).
Class 2
provides all the Class 1 functions and additional advanced functions
such as:

scaling function (see Scaling function control parameter on page 44;
Counts per revolution
parameter on page 45; and
Total resolution
parameter on page 46).
MAN XAC80 PB E 1.0.odt 7 - Profibus® interface 39 of 60