Statement List (STL) - DCE FEL ČVUT v Praze

Load and Transfer Instructions
9.2 L Load
Format
Description
Status word
Examples
L
Address Data type Memory area Source address
BYTE
E, A, PE, M, L, D, 0...65535
WORD
Pointer, Parameter 0...65534
DWORD
0...65532
L loads the addressed byte, word, or double word into ACCU 1 after the
old contents of ACCU 1 have been saved into ACCU 2, and ACCU 1 is reset to "0".
BR CC 1 CC 0 OV OS OR STA RLO /FC
writes: - - - - - - - - -
STL Explanation
L IB10 //Load input byte IB10 into ACCU 1-L-L.
L MB120 //Load memory byte MB120 into ACCU 1-L-L.
L DBB12 //Load data byte DBB12 into ACCU 1-L-L.
L DIW15 //Load instance data word DIW15 into ACCU 1-L.
L LD252 //Load local data double word LD252 ACCU 1.
L P# I 8.7 //Load the pointer into ACCU 1.
L OTTO //Load the parameter "OTTO" into ACCU 1.
L P# ANNA //Load the pointer to the specified parameter in ACCU 1. (This instruction
loads the relative address offset of the specified parameter. To calculate
the absolute offset in the instance data block in multiple instance FBs, the
contents of the AR2 register must be added to this value.
Statement List (STL) for S7-300 and S7-400 Programming
9-2 A5E00706960-01