11 Programming of Cycles 05.91
11.7 Data transfer: R parameter into system memory
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Main group 4/subgroup b: Write R parameters in PLC signal data words
@4b0 <Value 1> <Value 2> <Value 3> <Value 4> <Value 5> <Value>
The fixed-point value of a data word or double word (serial or parallel) in the PLC is loaded
via a parameter, pointer or constant.
The PLC number is defined by <Value 1>, the number of the DB or DX by <Value 2>,
the data word number by <Value 3> and the number of data words by <Value 4>. The
dimension identifier <Value 5> specifies how the fixed-point value of the data word or
double word is to be loaded. At least 2 data words must be defined for negative values.
Definition of dimension identifier <Value 5>:
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<Value 5>
Fixed point: Parallel double word
10 Value without decimal point
11 Value with decimal point
12 1 place after the decimal point
13 2 places after the decimal point
14 3 places after the decimal point
15 4 places after the decimal point
16 5 places after the decimal point
17 6 places after the decimal point
18 7 places after the decimal point
19 8 places after the decimal point
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<Value 5>
Fixed point: Data word or serial
double word
0 Value without decimal point
1 Value with decimal point
2 1 place after the decimal point
3 2 places after the decimal point
4 3 places after the decimal point
5 4 places after the decimal point
6 5 places after the decimal point
7 6 places after the decimal point
8 7 places after the decimal point
9 8 places after the decimal point
Example:
@4b0 K1 K3 K2 K10 K24500 The fixed-point value of the defined PLC double
word is loaded via a constant.
@4b1 <Value 1> <Value 2> <Value 3> <Value 4> <Value 5> <Value>
The BCD value is loaded in the defined PLC data words via a parameter, pointer or
constant.
The PLC number is defined by <Value 1>, the number of the DB or DX by <Value 2>,
the data word number by <Value 3>, the number of data words by <Value 4> and the
dimension identifier by <Value 5>.
11–34
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)
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