Interface Description - HYDAC ELECTRONIC CANopen HLT 2550-L2 Notice D'utilisation

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6 Interface description

Service Data Object (SDO)
Using the SDOs, other network nodes can read from or write to the Object
Dictionary of the linear Position Transmitter.
Process Data Object (PDO)
Via the PDOs the measured values (position values) of the linear Position
Transmitter are provided to other network nodes.
Synchronisation Object (SYNC)
SYNC objects are used to implement a synchronous data transmission. The Linear
Position Transmitter provides the functionality of a SYNC consumer.
E
Emergency Object (EMCY)
EMCY objects are sent when an error occurs. EMCY objects contain an
Emergency Error Code and the contents of an Error register.
The Object Dictionary
With CANopen, all the device's data (setting parameters and measured values) is
filed in an Object Dictionary under a specified Index. The Linear Position
Transmitter supports the records of DS 301, of the encoder profile DS 406 and of
the NMT and LSS services.
NMT Services
NMT objects are used to start, stop or reset devices. CANopen differentiates
between the following functionalities:
1. NMT Master
controls other nodes.
2. NMT Slave
is controlled by a Master.
LSS Services
The LSS services and protocols (CiA DS-305) are used to inquire or to configure
different parameter settings of the Data Link Layers and the Application Layers of a
LSS slave by a LSS master as for example the setting of Baud rate and Node ID.
EDS File
The EDS file represents the electronic description of the Object Dictionary.
The EDS file can be downloaded from our internet site using the following path:
→Products→Sensors→Product search
http://www.hydac.com/uk-en/products/sensors/show/Material/index.html
Entering the part number (9xxxxx) the corresponding ZIP file appears
(EDS-file_9xxxxx_HLT 2550-R2-xxx-F11-000.ZIP), which contains the EDS files.
If you have any queries regarding technical details or the suitability of the unit for your
application, please contact our Technical Sales Department.
Edition: 2017-08-08
HYDAC ELECTRONIC GMBH
HLT 2550-L2 CANopen
Part No.: 669955