IFM CR0452 - Page 84

84
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
7894
Parameter
Data type
Description
RXOVFL
BOOL
condition of the RX overflow flag
TRUE: overflow in the receive buffer
FALSE: no overflow in receive buffer
RXWARN
BOOL
condition of the RX overflow warning flag
TRUE: level in the receive buffer is critical
FALSE: level in the input buffer is uncritical
TXOVFL
BOOL
condition of the TX overflow flag
TRUE: overflow in the transmit buffer
FALSE: no overflow in transmit buffer
TXWARN
BOOL
Condition of the TX overflow warning flag
TRUE: Level in the transmit buffer is critical
FALSE: Level in the transmit buffer is uncritical
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
8
08
function block not yet executed
242
F2
Error: setting is not possible