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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
7735
Parameter
Data type
Description
SA
BYTE
Source address of the transmitter
PRIO
BYTE
message priority (0…7)
LEN
BYTE
number of the bytes received (0...8)
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
FB execution completed without error
– data is valid
5
05
FB is active
– no data received yet
242
F2
Error: setting is not possible
250
FA
Error: FiFo is full
– data was lost