Siemens SIMATIC S7-1200

Basic instructions
8.7 Conversion operations
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
291
8.7.2
Conversion instructions for SCL
Conversion instructions for SCL
Table 8- 105 Conversion from a Bool, Byte, Word, or DWord
Data type
Instruction
Result
Bool
BOOL_TO_BYTE, BOOL_TO_WORD,
BOOL_TO_DWORD, BOOL_TO_INT,
BOOL_TO_DINT
The value is transferred to the least significant bit of the
target data type.
Byte
BYTE_TO_BOOL
The least significant bit is transferred into the destination
data type.
BYTE_TO_WORD, BYTE_TO_DWORD
The value is transferred to the least significant byte of the
target data type.
BYTE_TO_SINT, BYTE_TO_USINT
The value is transferred to the target data type.
BYTE_TO_INT, BYTE_TO_UINT,
BYTE_TO_DINT, BYTE_TO_UDINT
The value is transferred to the least significant byte of the
target data type.
Word
WORD_TO_BOOL
The least significant bit is transferred into the destination
data type.
WORD_TO_BYTE
The least significant byte of the source value is trans-
ferred to the target data type
WORD_TO_DWORD
The value is transferred to the least significant word of
the target data type.
WORD_TO_SINT, WORD_TO_USINT
The least significant byte of the source value is trans-
ferred to the target data type.
WORD_TO_INT, WORD_TO_UINT
The value is transferred to the target data type.
WORD_TO_DINT, WORD_TO_UDINT
The value is transferred to the least significant word of
the target data type.
DWord
DWORD_TO_BOOL
The least significant bit is transferred into the destination
data type.
DWORD_TO_BYTE, DWORD_TO_WORD,
DWORD_TO_SINT
The least significant byte of the source value is trans-
ferred to the target data type.
DWORD_TO_USINT, DWORD_TO_INT,
DWORD_TO_UINT
The least significant word of the source value is trans-
ferred to the target data type.
DWORD_TO_DINT, DWORD_TO_UDINT,
DWORD_TO_REAL
The value is transferred to the target data type.