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ifm
Programming Manual BasicController relay CR0431 v03.03.00
05 / 2018
ifm function elements
ifm function elements for the device CR0431
J1939_TX_ENH_CYCLIC
7716
= J1939 TX enhanced cyclic
Unit type = function block (FB)
Unit is contained in the library
ifm_J1939_NT_Vxxyyzz.LIB
Symbol in CODESYS:
>
Description
7718
J1939_TX_ENH_CYCLIC serves for cyclic transmitting of CAN messages.
Otherwise, the FB corresponds to
J1939_TX_ENH
(
► Set the period duration via the parameter PERIOD.
If a period is too short, this could lead to a high bus load!
The bus load can affect the performance of the complete system.
>
Parameters of the inputs
7719
Parameter
Data type
Description
ENABLE
BOOL
TRUE:
execute this function element
FALSE:
unit is not executed
> Function block inputs are not active
> Function block outputs are not specified
CHANNEL
BYTE
CAN interface (1...n) depending on the device
DA
BYTE := 249
DA = Destination Address of the ECU
PGN > 61139: parameter DA is ignored
Prio
(optional use of the parameter)
BYTE := 3
message priority
permissible values = 0…7
PGN
DWORD
PGN = Parameter Group Number
permissible = 0...262 143 = 0x00000000...0x0003FFFF
Len
(optional use of the parameter)
BYTE := 8
number of the bytes to be transmitted
permissible values = 0...8
DATA
ARRAY [0..7] OF BYTE
data to be sent (1...8 bytes)
PERIOD
TIME
period duration
Summary of Contents for ioControl CR2050
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