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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
7810
Parameter
Data type
Description
LEN
DWORD
number of the bytes received
permissible values = 1...2 048 = 0x0000 0001...0x0000 0800
DATA
ARRAY [0..SDOMAXDATA] OF
BYTE
buffer memory for user data of the SDO data transmission
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
32
20
SDO transmission aborted by client or server
(SDO abort code 0x80)
33
21
TIMEOUT elapsed
242
F2
Error: setting is not possible
255
FF
Error: not enough memory available for the consuming multiframe