Statement List (STL) - DCE FEL ČVUT v Praze

Load and Transfer Instructions
9.13 TAR1 Transfer Address Register 1 to Destination
(32-Bit Pointer)
Format
Description
Status word
Examples
TAR1
Address Data type Memory area Source address
DWORD D, M, L 0...65532
TAR1 transfers the contents of address register AR1 into the addressed double
word . Possible destination areas are memory double words (MD), local data
double words (LD), data double words (DBD), and instance data words (DID).
ACCU 1 and ACCU 2 remain unchanged. The instruction is executed without regard
to, and without affecting, the status bits.
BR CC 1 CC 0 OV OS OR STA RLO /FC
writes: - - - - - - - - -
STL Explanation
TAR1 DBD20 //Transfer the contents of AR1 into data double word DBD20.
TAR1 DID30 //Transfer the contents of AR1 into instance data double word DID30.
TAR1 LD18 //Transfer the contents of AR1 into local data double word LD18.
TAR1 MD24 //Transfer the contents of AR1 into memory double word MD24.
Statement List (STL) for S7-300 and S7-400 Programming
9-12 A5E00706960-01