Block Move Instructions - Siemens SIMATIC S7-200 System Manual

S7-200 Programmable Controller System Manual

Block Move Instructions

Block Move Byte, Word, or Double Word
The Block Move Byte (BMB), Block Move Word (BMW), and
Block Move Double Word (BMD) instructions move a
specified amount of data to a new memory location by
moving the number of bytes, words, or double words N
starting at the input address IN to a new block starting at the
output address OUT.
N has a range of 1 to 255.
Error conditions that set ENO = 0
H 0006 (indirect address)
H 0091 (operand out of range)
Table 6-56 Valid Operands for the Block Move Instructions
Inputs/Outputs
IN
OUT
N
Example: Block Move Instruction
166
Data Types Operands
BYTE IB, QB, VB, MB, SMB, SB, LB, *VD, *LD, *AC
WORD, INT IW, QW, VW, MW, SMW, SW, T, C, LW, AIW, *VD, *LD, *AC
DWORD, DINT ID, QD, VD, MD, SMD, SD, LD, *VD, *LD, *AC
BYTE IB, QB, VB, MB, SMB, SB, LB, *VD, *LD, *AC
WORD, INT IW, QW, VW, MW, SMW, SW, T, C, LW, AQW, *VD, *LD, *AC
DWORD, DINT ID, QD, VD, MD, SMD, SD, LD, *VD, *LD, *AC
BYTE IB, QB, VB, MB, SMB, SB, LB, AC, Constant, *VD, *LD, *AC
Network 1
LD
BMB
//Move array 1 (VB20 to VB23)
//to array 2 (VB100 to VB103)
I2.1
VB20, VB100, 4
VB20 VB21
30 31
Array 1
VB100 VB101
Array 2 30 31
VB22 VB23
32 33
VB102 VB103
32 33