HD1-E CANopen instruction manual
- 1 -
Terms and abbreviations
CAN Controller Area Network
COB Communication Object, a transmission unit in CAN network; data are transmitted in the whole network
inside COB; one part of CAN information frames
EDS Electronic Data System; when configuring CANopen, EDS needs to use the special ASCII file for a
node and it contatins the general information on nodes and relevant object dictionary.
NMT Network Management, one of the application-layer service elements of models set by CAN, is in
charge of initialization, configuration and trouble shooting.
OD Object dictionary is used to store all communication objects identified by a certain device in local.
PDO Process Data Object, one of COBs, is used to transmit process data, such as the control command,
set values, state values and actual values.
PDOn Tx PDO command sent by slave station to master station, n represents 1, 2, 3 and 4
PDOn Rx PDO command received by slave station from master station, n represents 1, 2, 3 and 4
SDO Service Data Object, one of COBs, is used to transmit non- time key data, such as parameters.
RO It indicates read-only visit.
RW It indicates read or write visit.
SYNC Synchronous transmission type
Node-ID Node identity, namely communication card address
0x It indicates the following digit is hex. For example, 0x10 means decimal 16.
