Siemens Simatic S7 Series System Manual

Program instructions
7.5 Convert
S7-200 SMART
212 System Manual, 09/2015, A5E03822230-AC
FMT operand for the real to string instruction
See Also
Assigning a constant value for instructions (Page 69)
7.5.4
ASCII sub-string to number value conversion
LAD / FBD
STL
Description
STI IN, INDX, OUT
ASCII sub-string to integer value conversion
STD IN, INDX, OUT
ASCII sub-string to double integer value conversion
STR IN, INDX, OUT
ASCII sub-string to real value conversion
Non-fatal error conditions with ENO = 0
SM bits affected
• 0006H Indirect address
• 0091H Operand out of range
• 009BH Index = 0
• SM1.1 Overflow or illegal value
• SM1.1 Overflow or illegal value

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.