Data transmission, The object dictionary, Device net user manual – BEI Sensors MHK5 Absolute Hollow Shaft Encoder User Manual
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DEVICE NET USER MANUAL
BEI Sensors 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.beisensors.com
2. Data Transmission
The data transmission in the DeviceNet net-
work is realised by message telegrams. Basi-
cally, these telegrams can be divided into the
CAN-ID and 8 following bytes as shown in the
table below:
2.1. The Object Dictionary
Instance Attribute of the Position Sensor Objects
Class Code: 23 hex
Attribute
ID
Access Name
Data Type
Description
1 hex
Get
Number of Attributes
USINT
Number of supported Attributes
2 hex
Get
Attribute
Array of USINT List of supported Attribute
3 hex
Get
Position value
DINT
current position
70 hex
Get /
Set
Code sequence
Boolean
Controls the code sequence
clockwise or counterclockwise
71 hex
Get /
Set
resolution per revolution INT
resolution for one revolution
72 hex
Get /
Set
total resolution
DINT
total measurable resolution
73 hex
Get /
Set
preset value
DINT
setting a defined position value
Get / Set:
: read, write
CAN-ID
Message Header Message Body
11 Bit
1 Byte
7 Byte
Version 05/04
UME-OCD-D2
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