IFM Electronic CR0403 Programming Manual page 86

ifm Programming Manual ecomatmobile
ifm function elements
>
CAN_TX_ENH_CYCLIC
= CAN TX enhanced cyclic
Unit type = function block (FB)
Unit is contained in the library ifm_RawCAN_NT_Vxxyyzz.LIB
Symbol in CODESYS:
>
Description
CAN_TX_ENH_CYCLIC serves for cyclical transmitting of CAN messages.
Otherwise, the FB corresponds to
► Set the period duration via the parameter PERIOD.
If a period is too short, this could lead to a high bus load which could affect the performance of the
complete system.
>
Parameters of the inputs
Parameter
ENABLE
CHANNEL
ID
Extended
(optional use of the parameter)
DataLengthCode
(optional use of the parameter)
DATA
PERIOD
BasicController (CR0403) Runtime System V03.02
CAN_TX_ENH
(→ page 84).
Data type
BOOL
BYTE
DWORD
BOOL := FALSE
BYTE := 8
ARRAY [0..7] OF BYTE
TIME
86
ifm function elements for the device CR0403
Description
TRUE: execute this function element
FALSE: unit is not executed
> Function block inputs are not active
> Function block outputs are not specified
CAN interface (1...n) depending on the device
Number of the data object identifier:
normal frame (2 IDs):
11
0...2 047 = 0x0000 0000...0x0000 07FF
Extended Frame (2 IDs):
29
0...536 870 911 = 0x0000 0000...0x1FFF FFFF
TRUE: Extended Frame (ID = 0...2
FALSE: Normal Frame (ID = 0...2
length of the data to be sent (0...8 bytes)
data to be sent (1...8 bytes)
period duration
2015-04-01
7568
7569
7582
-1)
29
-1)
11