Cm598CanMsgSend (FB)
FUNCTION_BLOCK PUBLIC FINAL Cm598CanMsgSend EXTENDS Cm598Base
Function Block which is used to send CAN messages of the specified CAN Identifier via the specified CAN interface. In order to send any CAN message, the CAN protocol has to be configured in the PLC Application. The function block behavior is implemented according to the ETrig Function Block.
- InOut:
Scope
Name
Type
Initial
Comment
Inherited from
Input
ExecuteBOOLFALSE
A rising edge starts the operation, the output Busy goes to TRUE. In the first cycle all other inputs are read and stored, afterwards they are ignored. A falling edge does not stop the operation. After Done = TRUE or Error = TRUE and Execute = FALSE all outputs will be reset.
AbbETrig
Output
DoneBOOLFALSE
Operation is completed without error (while outputs Busy and Error are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE
AbbETrig
BusyBOOLFALSE
Operation is running (while outputs Done and Error are FALSE)
AbbETrig
ErrorBOOLFALSE
Operation is stopped with error (while outputs Busy and Done are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE. The output ErrorID gives more details about the error.
AbbETrig
Input
DeviceIDeviceCM598Can0
Instance of CM598Can device
Output
ErrorIDERROR_ID.NO_ERROR
Error code that describes the occured error
Input
NumUSINT0
Number of Can messages which are in DATA (1..16)
DataPOINTER TO Cm598CanMessageType
0
Pointer to variable which contains 1 or more Can messages to be send
Output
AddErrorIDUDINTCM598Defines.CM598_ADD_ERROR_NONE
Additional description of error, when ErrorID is “REQUEST_FAILED”