How to use SFC20 BLKMV with ANY POINTER in Siemens Step-7

Описание

SFC 20 Block move is used to copy the data from one area to other area.
example:- P#DB605.DBX0.0 BYTE 136
P#I 312.0 BYTE 64
P#Q 934.0 BYTE 64

Points to be checked

1.Data length should be divisible by 8

2. Retval should be monitored to confirm the copying

3.SRCBLK and DSTBLK should of same length to avoid overlap and missing of data

to keep the copying dynamically then we use ANY pointer which will be explained in our next videos thank you