Siemens Simatic S7 Series System Manual

Program instructions
7.11 Logical operations
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
293
7.11
Logical operations
7.11.1
Invert
LAD / FBD
STL
Description
INVB OUT
INVW OUT
INVD OUT
The Invert Byte, Invert Word, and Invert Double Word instructions form the one's
complement of the input IN and load the result into the memory location OUT
Non-fatal errors with ENO = 0
SM bits affected
• 0006H Indirect address • SM1.0 Result of operation = zero
Input / output
Data type
Operand
IN
BYTE
IB, QB, VB, MB, SMB, SB, LB, AC, *VD, *LD, *AC, Constant
WORD
IW, QW, VW, MW, SMW, SW, T, C, LW, AC, AIW, *VD, *LD, *AC, Constant
DWORD
ID, QD, VD, MD, SMD, SD, LD, AC, HC, *VD, *LD, *AC, Constant
OUT BYTE IB, QB, VB, MB, SMB, SB, LB, AC,*VD, *LD, *AC
WORD
IW, QW, VW, MW, SMW, SW, T, C, LW, AC, *VD, *LD, *AC
DWORD ID, QD, VD, MD, SMD, SD, LD, AC, *VD, *LD, *AC
Example: Invert instruction
LAD
STL
Invert word value in AC0. Result is put in
AC0.
Network 1
LD I4.0
INVW AC0

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.