Mitsubishi Electric GT15, Connection Manual

Page: 98 / 864

2 - 6
2. DEVICE RANGE THAT CAN BE SET
• (For 32 bits)
Monitor and write only b8 to b11 and b28 to 31 of
the buffer memory.
Example:
The monitor value is 00070003
H
when monitoring
BM0=87654321
H
as mask type 3.
BM0=05000100
H
when writing input value
87654321
H
to BM0=00000000
H
as mask type 3.
(e) Mask type 4
• (For 16 bits)
Monitor and write only b12 to b15 of the buffer
memory.
Example:
The monitor value is 0004
H
when monitoring
BM0=4321
H
as mask type 4.
BM0=1000
H
when writing input value 4321
H
to
BM0=0000
H
as mask type 4.
• (For 32 bits)
Monitor and write only b12 to b15 and b28 to 31
of the buffer memory.
Example:
The monitor value is 00080004
H
when monitoring
BM0=87654321
H
as mask type 4.
BM0=50001000
H
for writing input value
87654321
H
to BM0=00000000
H
as mask type 4.
(f) Mask type 5
• (For 16 bits)
Monitor and write only b0 to b7 of the buffer
memory.
Example:
The monitor value is 0021
H
when monitoring
BM0=4321
H
as mask type 5.
BM0=0021
H
when writing input value 4321
H
to
BM0=0000
H
as mask type 5.
• (For 32 bits)
Monitor and write only b0 to b7 and b16 to 23 of
the buffer memory.
Example:
The monitor value is 00650021
H
when monitoring
BM0=87654321
H
as mask type 5.
BM0=00650021
H
when writing input value
87654321
H
to BM0=00000000
H
as mask type 5.
(g) Mask type 6
• (For 16 bits)
Monitor and write only b8 to b15 of the buffer
memory.
Example:
The monitor value is 0043
H
when monitoring
BM0=4321
H
as mask type 6.
BM0=2100
H
when writing input value 4321
H
to
BM0=0000
H
as mask type 6.
H
BM0 8 7 6 5 4 3 2 1
0 0 0 7 0 0 0 3
H
Monitor value
H
BM0
8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 0
H
Input value
BM0
0 5 0 0 0 1 0 0
H
(Before writing)
(After writing)
BM0
Monitor value
H
4 3 2 1
0 0 0 4
H
BM0
(Before writing)
(After writing)
BM0
Input value
H
4 3 2 1
0 0 0 0
H
1 0 0 0
H
H
BM0 8 7 6 5 4 3 2 1
0 0 0 8 0 0 0 4
H
Monitor value
H
BM0
8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 0
H
Input value
BM0
5 0 0 0 1 0 0 0
H
(Before writing)
(After writing)
BM0
Monitor value
H
4 3 2 1
0 0 2 1
H
BM0
(Before writing)
(After writing)
BM0
Input value
H
4 3 2 1
0 0 0 0
H
0 0 2 1
H
H
BM0 8 7 6 5 4 3 2 1
0 0 6 5 0 0 2 1
H
Monitor value
H
BM0
8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 0
H
Input value
BM0
0 0 6 5 0 0 2 1
H
(Before writing)
(After writing)
BM0
Monitor value
H
4 3 2 1
0 0 4 3
H
BM0
(Before writing)
(After writing)
BM0
Input value
H
4 3 2 1
0 0 0 0
H
2 1 0 0
H