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Access to I/O Data
Allocation for Bit IN
Slave Units and Bit
OUT Slave Units
32
•
16-Point Word IN Slave Unit
IN area
15
14
13
12
11
•
16-Point Word OUT Slave Unit
OUT area
15
14
13
12
11
•
32-Point Word IN Slave Unit
IN area
15
14
13
12
11
31
30
29
28
27
•
32-Point Word OUT Slave Unit
OUT area
15
14
13
12
11
31
30
29
28
27
•
16-Input and 16-Output Word MIX Slave Unit
OUT area
15
14
13
12
11
IN area
15
14
13
12
11
Every Bit Slave Unit occupies 2 point or 2 bits.
For example, 8 sets of 2-point Slave Units occupy 1 word. In the same
manner, a combination of 4 sets of 2-point Slave Units, and 2 sets of 4-point
Slave Units, occupies 1 word.
A 2-point Slave Unit occupies 2 bits as a node, which is for its own node
address.
A 4-point Slave Unit occupies 4 bits as a node, which is for its own and for the
next node addresses.
10
9
8
7
6
5
10
9
8
7
6
5
10
9
8
7
6
5
26
25
24
23
22
21
20
10
9
8
7
6
5
26
25
24
23
22
21
20
10
9
8
7
6
5
10
9
8
7
6
5
Section 3-2
4
3
2
1
0
4
3
2
1
0
4
3
2
1
0
19
18
17
16
4
3
2
1
0
19
18
17
16
4
3
2
1
0
4
3
2
1
0
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