32
Access to I/O Data
Section 3-2
•
16-Point Word IN Slave Unit
•
16-Point Word OUT Slave Unit
•
32-Point Word IN Slave Unit
•
32-Point Word OUT Slave Unit
•
16-Input and 16-Output Word MIX Slave Unit
Allocation for Bit IN
Slave Units and Bit
OUT Slave Units
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.
IN area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
OUT area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
IN area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
16
OUT area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
16
IN area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
OUT area
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
Содержание 3G8F7-CRM21
Страница 4: ...iv...
Страница 10: ...x TABLE OF CONTENTS...
Страница 30: ...10 Specifications Section 1 7 1 7 3 Dimensions 3G8F7 CRM21 PCI unit mm 3G8F8 CRM21 CompactPCI unit mm...
Страница 46: ...26 Connecting the Communications Power Supply Cables Section 2 4...
Страница 74: ...54 Board Hardware Error Notification Section 4 8...
Страница 173: ...153 APPENDIX D Sample Program D 1 Sample Program 154...
Страница 230: ...210 Wiring for Power Supply Section E 5...
Страница 234: ...214 Index...
Страница 236: ...216 Revision History...
Страница 237: ......
