Mitsubishi Electric GT1685 Connection Manual page 98

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