Siemens Simatic S7 Series System Manual

Program instructions
7.5 Convert
S7-200 SMART
214 System Manual, 09/2015, A5E03822230-AC
Examples of valid and invalid input strings
Example string conversion: Substring to integer, double integer, and real
LAD
STL
S_I converts the numeric string to an inte-
ger value.
S_DI converts the numeric string to a
double integer value.
S_R converts the numeric string to a real
value.
Network 1
LD I0.0
STI VB0, 7, VW100
STD VB0, 7, VD200
STR VB0, 7, VD300
See also
Assigning a constant value for instructions (Page 69)

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.