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ifm
System Manual
ecomat
mobile
PDM360NG (CR1080, CR1081, CR9042) Target V01
2011-07-28
CAN in the PDM360
CAN-FBs on layer 2 (RAW-CAN)
200
CAN_RX_ENH_FIFO
7615
= CAN RX enhanced with FiFo
Unit type = function block (FB)
Contained in the library:
ifm_RawCAN_NT_Vxxyyzz.LIB
Available for the following devices:
- BasicController: CR040n
- BasicDisplay: CR0451
- PDM360NG: CR108n, CR9042
Symbol in CoDeSys:
Description
7616
In addition, CAN_RX_ENH_FIFO provides a FiFo for the received data (as opposed to CAN_RX_ENH
(
→
page
)). Thus several CAN messages can be received in one cycle.
NOTE
No overwriting takes place when the FiFo is full. Inbound messages will be lost.
In this event:
►
Deactivate and reactive the FB via ENABLE.
> The FiFo is deleted and can be newly filled.