Eaton easyE4 User Manual

6. Function blocks
6.1 Manufacturer function blocks
However, since a BCD source cannot represent negative numbers, a negative
numeric conversion at QV is simply a theoretical case.
Values greater than 9999999 are output as 161061273.
Values less than –9999999 are output as –161061273.
The working range of the function block has been exceeded.
Example for BCD operating mode
For simulation purposes in easySoft 8, function block input I1 can be connected to a
marker double word instead of to a BCD source. The value of this marker double
word can be entered in hexadecimal or decimal format. It will always be interpreted
as BCD at function block input I1.
MD value I1   QV
(dec) (hex) BCD  BIN (dec)

 
9
9
0000 1001

0000 1001

9
23
17
0001 0111

0001 0001

17
37
25
0010 0101

0001 1001

25
18 585
4 899
0000 0000
0000 0000
0100 1000
1001 1001

0000 0000
0000 0000
0001 0011
0010 0011

4 899
161 061 273
9 999 999
0000 1001
1001 1001
1001 1001
1001 1001

0000 0000
1001 1000
1001 0110
0111 1111

9 999 999
-161 061 273
F6 666 667
1111 0110
1001 1001
1001 1001
1001 1001

1111 1111
0110 0111
0110 1001
1000 0001

-9 999 999
161 061 274

1001 1001
1001 1001
1001 1001
1001 1001
Value range
exceeded
1001 1001
1001 1001
1001 1001
1001 1001
9 999 999
The most significant nibble determines the sign. For negative
numbers, the two's complement will be calculated.
easyE402/24 MN050009ENEaton.com
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Eaton easyE4 Specifications

General

Brand	Eaton
Model	easyE4
Category	Relays
Language	English