RD4 CANopen®
7.5 Boot-up messages
Structure of Boot-up messages:
COB-ID(hex)
1 CAN Data Byte
700+Node ID
00
7.6 PDO messages
WARNING
For safety reasons, when the ROTADRIVE unit is on a continuous data exchange
between the Master and the Slave has to be planned in order to be sure that the
communication is always active; this is intended to prevent danger situations
from arising in case of failures in the communication network.
For monitoring the communication state in the network, among the possible
methods the Node guarding protocol can be implemented (complying with
DS301 specifications, see on page 68).
ROTADRIVE positioning unit sends PDO messages to the Master according to the
set cyclic or synchronous work mode (see object
).
PDO messages have always a 8 CAN Data Bytes format. Please note that the
structure of sent messages and received messages is different anyway.
Structure of
RECEIVE PDO1
messages received by the Slave device (sent by the
Master):
IDENTIFIER
8 CAN data byte
COB-ID (hex)
0
1
2
3
4
5
6
7
F.C. Node-ID
200+ Node ID
Low
…
…
High
Low
…
…
High
MAN RD4 CB E 1.5
CANopen® interface
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