STEP 5 Operations
S5-115U Manual
8.3.2
Load and Transfer Operations
Use these load and transfer operations to address the entire program memory of the CPU. They
are used mainly for data exchange between the accumulator and memory locations that cannot
be addressed by operands. Table 8-27 provides an overview of the load and transfer operations.
Table 8-27. Overview of Load and Transfer Operations
Code
A1 (for ACCUM 1)
A2 (for ACCUM 2)
Operation
Meaning
Operand
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
LIR
Load the register indirectly
The contents of a memory word are loaded into the specified
register (ACCUM 1, 2). The address is in ACCUM 1.
TIR
Transfer the register indirectly
The contents of the indicated register are transferred to a
memory location. The address is in ACCUM 1.
Parameter
0 (for ACCUM 1), 2 (for ACCUM 2)
LDI
Load register indirect
The contents of a memory word, whose address is in ACCUM 1,
are loaded into the specified accumulator (ACCUM 1, 2) (access
to the second memory bank; CPU 944 only).
TDI
Transfer register indirect
The accumulator specified (ACCUM 1, 2) is transferred to a
memory location, whose address is in ACCUM 1, (access to the
second memory bank; CPU 944 only).
TNB
Transfer a data block (byte by byte)
A memory area is transferred in the program memory as a block.
End address destination area:
ACCUM 1
End address source area:
ACCUM 2
T
Transfer
A word is transferred to the system data range.
Parameter
0 to 255
ID
RS
8-66
EWA 4NEB 811 6130-02b
Содержание SIMATIC S5-115U
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