Mitsubishi Electric M800VW Series Programming Manual page 189

M800V/M80V Series PLC Programming Manual (1/2)
8 Function Instructions
8.1 Comparison Operation Instructions
 Program example
 The following program compares the 64-bit floating-point real number data at D0 to D3 to the 64-bit floating-point real num-
ber data at D4 and D7.
[Ladder mode]
0
ED= D0 D4
4
 The following program compares the floating-point real number 1.23 to the 64-bit floating-point real number data at D4 to
D7.
[Ladder mode]
M3
0 ED<> E1.23 D4
8
 The following program compares the 64-bit floating-point real number data at D0 to D3 to the 64-bit floating-point real num-
ber data at D4 to D7.
[Ladder mode]
M3
0 ED> D0 D3
M8
7
 The following program compares the 64-bit floating-point real number data at D0 to D3 to the floating-point real number
1.23.
[Ladder mode]
M3 M8
0
ED<= D0 E1.23
9
IB-1501667-B
Steps
Y33
0
3
4
END
Steps
Y33 0
1
7
END
8
Steps
Y33
0
1
4
5
END
6
7
Steps
Y33 0
1
2
8
9
END
168
[List mode]
Inst. Device
LDED= D0
D4
OUT Y33
END
[List mode]
Inst. Device
LD M3
ANDED<> E1.23
D4
OUT Y33
END
[List mode]
Inst. Device
LD M3
LDED> D0
D4
OR M8
ANB
OUT Y33
END
[List mode]
Inst. Device
LD M3
AND M8
ORED<= D0
E1.23
OUT Y33
END