7 CANopen
®
405 Mode
7.2 PDO Mapping/Binding of the Network for CANopen
®
405 Mode
128
FX
3U
-CAN User's Manual
7.2
PDO Mapping/Binding of the Network for CANopen
®
405 Mode
In order to exchange data by CANopen
®
, the data channels between the nodes must be defined or "mapped".
For large networks, the usage of a proper CANopen
®
network configuration tool
*1
which is able to support
easy parameter settings and PDO mapping is recommended.
To build up a small network or for testing purposes, the FX
3U
-CAN supports three PDO mapping/binding
modes which can be executed by the Command Interface. By using these predefined Mapping
configurations, the CAN object ID (COB-ID) number for data exchange of each node is clearly defined.
→
For function mode setting for CANopen
®
405 mode, refer to Section 6.5
*1.
Example: Vector ProCANopen
Note
It is strongly recommended to execute the Mapping Commands only in the Pre-operational mode of all related
CANopen
®
nodes.
For a complete list of the assignment between the data BFM and the CANopen
®
data objects and their
location in the Object Dictionary, refer to the following section.
→
Refer to Subsection 7.2.1 and Subsection 7.2.2
Note that the NMT Master startup process uses SDO's which can be result in an Error of the CIF SDO
command if the NMT Startup Master acceses the remote Node at the same time.
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