ifm
System Manual
ecomat
mobile
PDM360NG (CR1080, CR1081, CR9042) Target V01
2011-07-28
CAN in the PDM360
CAN POUs to CANopen
283
CANOPEN_SDOWRITE
7825
= SDO Write
Unit type = function block (FB)
Contained in the library:
ifm_CANopen_NT_Vxxyyzz.LIB
Available for the following devices:
- BasicController: CR040n
- BasicDisplay: CR0451
- PDM360NG: CR108n, CR9042
Symbol in CoDeSys:
Description
7826
CANOPEN_SDOWRITE is an easy function block for editing "Expedited SDOs", i.e. SDOs with max.
4 bytes user data. This type usually represents the bigger part of the SDO communication.
INFO:
Expedited SDO = expedited service data object
A considerable amount of memory space can be saved due to the limitation of the data volume to
max. 4 bytes of user data because this FB only needs to reserve 4 bytes as buffer storage and does
not create a large data array itself.