Siemens SIMATIC S7-1200 - Page 293

Basic instructions
8.7 Conversion operations
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
293
Table 8- 108 Conversion from a double integer (Dint or UDInt)
Data type
Instruction
Result
DInt
DINT_TO_BOOL
The least significant bit is transferred
into the destination data type.
DINT_TO_BYTE, DINT_TO_WORD, DINT_TO_SINT,
DINT_TO_USINT, DINT_TO_INT, DINT_TO_UINT,
DINT_TO_UDINT, DINT_TO_REAL, DINT_TO_LREAL,
DINT_TO_CHAR, DINT_TO_STRING
The value is converted.
DINT_TO_DWORD, DINT_TO_TIME
The value is transferred to the target
data type.
UDInt
UDINT_TO_BOOL
The least significant bit is transferred
into the destination data type.
UDINT_TO_BYTE, UDINT_TO_WORD, UDINT_TO_SINT,
UDINT_TO_USINT, UDINT_TO_INT, UDINT_TO_UINT,
UDINT_TO_DINT, UDINT_TO_REAL, UDINT_TO_LREAL,
UDINT_TO_CHAR, UDINT_TO_STRING
The value is converted.
UDINT_TO_DWORD, UDINT_TO_TOD
The value is transferred to the target
data type.
Table 8- 109 Conversion from a Real number (Real or LReal)
Data type
Instruction
Result
Real
REAL_TO_DWORD, REAL_TO_LREAL
The value is transferred to the target
data type.
REAL_TO_SINT, REAL_TO_USINT, REAL_TO_INT,
REAL_TO_UINT, REAL_TO_DINT, REAL_TO_UDINT,
REAL_TO_STRING
The value is converted.
LReal
LREAL_TO_SINT, LREAL_TO_USINT, LREAL_TO_INT,
LREAL_TO_UINT, LREAL_TO_DINT, LREAL_TO_UDINT,
LREAL_TO_REAL, LREAL_TO_STRING
The value is converted.
Table 8- 110 Conversion from Time, DTL, TOD or Date
Data type
Instruction
Result
Time
TIME_TO_DINT
The value is transferred to the target data type.
DTL
DTL_TO_DATE, DTL_TO_TOD
The value is converted.
TOD
TOD_TO_UDINT
The value is converted.
Date
DATE_TO_UINT
The value is converted.