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ifm
Programming Manual BasicDisplay CR0452 v03.02
05 / 2018
ifm function elements
ifm function elements for the device CR0452
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Parameters of the outputs
7617
Parameter
Data type
Description
MATCHED_ID
DWORD
number of the data object identifier
DATALENGTHCOUNT
BYTE
= Data Length Count
number of the data bytes received
DATA
ARRAY [0..7] OF BYTE
received data, (1...8 bytes)
MORE_DATA_AVAILABLE
BOOL
TRUE:
further received data available in the FiFo
FALSE:
no further data available in the FiFo
RESULT
BYTE
feedback of the function block
(possible messages → following table)
Possible results for RESULT:
Value
dec | hex
Description
0
00
FB is inactive
1
01
function block execution completed without error
5
05
FB is being processed
– still receiving
9
09
CAN is not active
242
F2
Error: setting is not possible
250
FA
Error: FiFo is full
– data was lost