Omron CP1H-X40D Operation Manual page 491

Temperature Sensor Units
CIO 2: Leftmost 3 digits of temperature data
0
CIO 2000
0
CIO 2002
0
D101 0/8
#0100
(1)
D103 0
−
CIO 2002
2's complement data
(7)
H1
0
Binary
subtraction
1000.02 2002.07 (non-negative data)
2002.07 (negative data)
Description of Operation
16 5 16 4 16 3
(2)
16 5 16 4 16 3
(4)
(5)
5 4 CIO 2001 16
0 16 16
10 6 10 5 10 4 D100 10
(9) If temperature data is negative, "8" is written here.
#0000
(1)
1 0 0 D102
CIO 2001
2's complement data
H0
0 16 5 16 4 16
(6)
BCDL(059)
If the temperature data is non-negative, the
binary data in CIO 2002 and CIO 2001 is
2001
converted to BCD and placed in D101 and
D100
D100.
−L(411)
(7)
D102
If the temperature data is negative, the 2's
2001
complement data in CIO 2002 and CIO
2001 is converted to binary data
H0
representing the absolute value of the
BCDL(059)
temperature input and placed in H1 and H0.
H0
D100
(8)
The binary data in H1 and H0 is
MOVD(083)
converted to BCD and placed in D101
#0008
and D100.
#0300
(9)
D101
"1" is written to the bit in D101 indicating
negative data.
RSET1000.02
CIO 2: Rightmost 3 digits of temperature data
1 16 2 16 1 16 1
(3)
(6)
4 3 1 0
16 16 16
If the temperature data is
non-negative, binary data is
converted to BCD data.
3 10 2 10 1 10 0
(8)
If the temperature data is negative,
binary data is converted to BCD data.
0 0 0 0
3 16 2 16 1 16 0
Section 7-5
457