Eaton easy800

5 Function blocks
5.23 NC, numerical converter
Control Relay easy800 11/11 MN04902001Z-EN www.eaton.com 225
Function of the function block
BCD mode
The BCD value present at input I1 is converted to a binary value and supplied
on the output QV. The binary value is displayed as a decimal value.
Examples:
I1
(dec)
BCD BIN QV
(dec)
9 0000 1001 1001 9
17 0001 0001 1011 11
25 0001 1001 0001 0011 19
19 0001 0011 1101 13
161061273 0000 1001
1001 1001
1001 1001
1001 1001
0001 0001
0001 0110
0111 1111
9999999
-18585 1000 0000
0000 0000
1001 0000
1001 1001
10000 0000
0000 0000
0010 0011
1000 1011
-9099
￫
Bit 32 is the sign bit.
Bit 32 = 1  Sign = Minus.
￫
As each value is represented with 4 nibbles and each nibble can
take on the value 9 in BCD code, the highest number that can
be represented is 9999999. The smallest representable number
is -9999999.
NC