Omron C200HW-CORT21-V1, Руководство по эксплуатации

Страница: 23 / 144

Device description
Section 1-2
6
1-2-2-2 Application Interface
Example
The application interface links the I/O data to the application data objects
located in the Device Profile Area (6000h ~ 9FFFh) or Manufacturer Specific
Profile Area (2000h ~ 5FFFh) of the Object Dictionary.
I/O data can refer to physical I/O connections, but also to memory locations,
e.g. PLC memory area(s).
If the device adheres to a CANopen device profile, the application interface
can be standardised, but it can also be manufacturer specific.
The following figure gives an example which pertains to the C200HW-
CORT21-V1. This Unit uses the Manufacturer Specific Profile Area in the
object dictionary.
By default, the unit has four bytes input data for the CANopen network,
located at index 2000h, sub-indices 01h to 04h. The IR words 101 and 102
are mapped to these objects.
In each PLC I/O refresh, the input bytes are updated with the contents of IR
101 and IR 102. In which way these bytes are transmitted over the CAN-bus
is defined by the communication interface, which is described in the next
sub-section.
Note that the term ‘input’ is used with respect to the CANopen network.