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Examples Of Addressing, Continued - Siemens CPU 412-1 Instruction Manual

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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Examples of Addressing, continued

Area-Internal Register-Indirect Addressing
A I [AR1,P#12.2]
Area-Crossing Register-Indirect Addressing
For area-crossing register-indirect addressing, the address must also contain an area identifier. The address is in the address register.
The area identifiers are as follows:
Area
Coding
identifier
(binary)
P
1000 0000
I
1000 0001
Q
1000 0010
M
1000 0011
DB
1000 0100
DI
1000 0101
L
1000 0110
VL
1000 0111
L B [AR1,P#8.0]
A [AR1,P#32.3]
Addressing Via Parameters
A Parameter
S7-400 Instruction List
A5E00267845-01
Addressing Examples
Area
hex.
80
I/O area
81
Input area
82
Output area
83
Bit memory area
84
Data area
85
Instance data area
86
Local data area
87
Predecessor local data area (access to local data of invoking block)
Examples of Addressing
17

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