Siemens SIMATIC S7-1200 - Page 292

Basic instructions
8.7 Conversion operations
S7-1200 Programmable controller
292 System Manual, V4.2, 09/2016, A5E02486680-AK
Table 8- 106 Conversion from a short integer (SInt or USInt)
Data type
Instruction
Result
SInt
SINT_TO_BOOL
The least significant bit is transferred into the destination
data type.
SINT_TO_BYTE
The value is transferred to the target data type
SINT_TO_WORD, SINT_TO_DWORD
The value is transferred to the least significant byte of the
target data type.
SINT_TO_INT, SINT_TO_DINT,
SINT_TO_USINT, SINT_TO_UINT,
SINT_TO_UDINT, SINT_TO_REAL,
SINT_TO_LREAL, SINT_TO_CHAR,
SINT_TO_STRING
The value is converted.
USInt
USINT_TO_BOOL
The least significant bit is transferred into the destination
data type.
USINT_TO_BYTE
The value is transferred to the target data type
USINT_TO_WORD, USINT_TO_DWORD,
USINT_TO_INT, USINT_TO_UINT,
USINT_TO_DINT, USINT_TO_UDINT
The value is transferred to the least significant byte of the
target data type.
USINT_TO_SINT, USINT_TO_REAL,
USINT_TO_LREAL, USINT_TO_CHAR,
USINT_TO_STRING
The value is converted.
Table 8- 107 Conversion from an integer (Int or UInt)
Data type
instruction
Result
Int
INT_TO_BOOL
The least significant bit is transferred into the destination
data type.
INT_TO_BYTE, INT_TO_DWORD,
INT_TO_SINT, INT_TO_USINT,
INT_TO_UINT, INT_TO_UDINT,
INT_TO_REAL, INT_TO_LREAL,
INT_TO_CHAR, INT_TO_STRING
The value is converted.
INT_TO_WORD
The value is transferred to the target data type.
INT_TO_DINT
The value is transferred to the least significant byte of the
target data type.
UInt
UINT_TO_BOOL
The least significant bit is transferred into the destination
data type.
UINT_TO_BYTE, UINT_TO_SINT,
UINT_TO_USINT, UINT_TO_INT,
UINT_TO_REAL, UINT_TO_LREAL,
UINT_TO_CHAR, UINT_TO_STRING
The value is converted.
UINT_TO_WORD, UINT_TO_DATE
The value is transferred to the target data type.
UINT_TO_DWORD, UINT_TO_DINT,
UINT_TO_UDINT
The value is transferred to the least significant byte of the
target data type.