Siemens CPU 948 User Manual

Examples
1. You want to shift the contents of data word DW 52 four bits to the left
and write them to data word DW 53.
STEP 5 program: Contents of the data words:
:L DW 52 KH = 14AF
:SLW 4
:T DW 53 KH = 4AF0
2. You want to read the input double word ID 0, and shift the contents of
ACCU 1 so that the bit positions of the input double word shown in bold
face are retained and the remaining bit positions are set to defined
values (0H or 0FH).
STEP 5 program: Contents of ACCU 1 (hexadecimal)
ACCU-1-H: ACCU-1-L:
:L ID 0 2
348 ABCD
:SLW 4 2348 BCD0
:SRW 4 2348 0BCD
:SLD 4 3480 BCD0
:SSW 4 3480 FBCD
:SSD 4 0348 0FBC
:RLD 4 3480 FBC0
:RRD 4 0
348 0FBC
3. Application: Multiplication by the 3rd power, e.g. new value = old
value x 8
:L FW 10
:SLW 3
:T FW 10
Caution: do not exceed the
positive area limit!
4. Application: Division by the 2nd power, e.g. new value = old value : 4
:C DB 5
:L DW 0
:SRW 2
:T DW 0
Executive Operations
CPU 948 Programming Guide
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Siemens CPU 948 Specifications

General

Brand	Siemens
Model	CPU 948
Category	Controller
Language	English