Mitsubishi Electric GOT2000 Series Connection Manual page 93

(c) Mask type 2
• (For 16 bits)
Monitor and write only b4 to b7 of the buffer memory.
Example:
The monitor value is 0002H when monitoring BM0=4321H as mask type 2.
BM0=0010H when writing input value 4321H to BM0=0000H as mask type 2.
• (For 32 bits)
Monitor and write only b4 to b7 and b20 to 23 of the buffer memory.
Example:
The monitor value is 00060002H when monitoring BM0=87654321H as mask type 2.
BM0=00500010H when writing input value 87654321H to BM0=00000000H as mask type 2.
(d) Mask type 3
• (For 16 bits)
Monitor and write only b8 to b11 of the buffer memory.
Example:
The monitor value is 0003H when monitoring BM0=4321H as mask type 3.
BM0=0100H when writing input value 4321H to BM0=0000H as mask type 3.
BM0 4 3 2
Monitor value 0 0 0
4 3 2
Input value
BM0
0 0 0
(Before writing)
BM0
0 0 1
(After writing)
BM0 8 7 6 5 4
0 0 0 6 0
Monitor value
Input value
8 7 6 5 4
BM0
0 0 0 0 0
(Before writing)
BM0
0 0 5 0 0
(After writing)
BM0 4 3 2
Monitor value 0 0 0
4 3 2
Input value
BM0
0 0 0
(Before writing)
BM0
0 1 0
(After writing)
1
H
2
H
1
H
0
H
0
H
3 2 1
H
0 0 2
H
3 2 1
H
0 0 0
H
0 1 0
H
1
H
3
H
1
H
0
H
0
H
2
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