NORD Drivesystems BU0550 - Manual (Page 41)

3 AWL (Instruction List, IL)
BU 0550 GB-0813 41
3.4 Type conversion
Operator Explanation
BYTE_TO_BOOL Conversion from BYTE to BOOL
BOOL_TO_BYTE Conversion from BOOL to BYTE
INT_TO_BYTE Conversion from INT to BYTE
BYTE_TO_INT Conversion from BYTE to INT
DINT_TO_INT Conversion from DINT to INT
INT_TO_DINT Conversion from INT to DINT
Table 51 Overview of type conversions
3.4.1 BYTE_TO_BOOL
Converts the data type from BYTE to BOOL. As long as BYTE is not equal to zero, this always gives the
conversion result TRUE.
BOOL BYTE INT DINT
Possible data types X
Commands Explanation
LD 10
BYTE_TO_BOOL AE = TRUE
Table 52 BYTE_TO_BOOL
3.4.2 BOOL_TO_BYTE
Converts the AE data type from BOOL to BYTE. If the AE is FALSE, the accumulator is converted to 0. If
the AE is TRUE, the accumulator is converted to 1.
BOOL BYTE INT DINT
Possible data types X
Commands Explanation
LD TRUE
BOOL_TO_BYTE Accu = 1
Table 53 BOOL_TO_BYTE
3.4.3 INT_TO_BYTE
Converts the data type from INT to BYTE. Here, the High component of the INT value is not transferred.
Prefixes are lost as the BYTE type does not have prefixes.
BOOL BYTE INT DINT
Possible data types X
Commands Explanation
LD 16#5008
INT_TO_BYTE Accu = 8
Table 54 INT_TO_BYTE