Rockwell Automation 57C570 AutoMax PC3000 User Manual - Manual (Page 65)

4Ć7
1Ćslot addressing (1 I/O chassis slot =
1 I/O group = 1 input image word and
1 output image word = 16 input bits
and 16 output bits.)
0
1
2
3
4
5
6
7
Output Image Table Word #
0
1
2
3
4
5
6
7
Input Image Table Word #
ЙЙЙ
ЙЙЙ
00 15 bits
00 15 bits
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
Input
TermiĆ
nals
An 8Ćpoint I/O module
occupies 8 bits in a
word. See ➀
00
01
02
03
04
05
06
07
Input
Terminals
Two 8Ćpoint input
modules occupy 8 bits
of each group. See ➁
ÉÉÉ
00
01
02
03
04
05
06
07
Output
Terminals
An 8Ćpoint input module in
group 4 occupies the first
eight bits of input word 4. The
8 point output module
occupies the first 8Ćoutput
bits in output word 5. See ➂
ЙЙЙ
ЙЙЙ
ЙЙЙ
ЙЙЙ
ЙЙЙ
Group 2 Group 3
Group 4 Group 5 Group 6 Group 7
ЙЙЙЙЙЙ
ЙЙЙЙЙЙ
ЙЙЙЙЙЙ
16Ćpoint I/O modules occupy
16 bits, an entire word, in the
image table. See ➃
Group 0
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
00
01
02
03
04
05
06
07
10
11
12
13
14
15
16
17
Input
Terminals
Output
Terminals
00
01
02
03
04
05
06
07
00
01
02
03
04
05
06
07
0 1 2 3
4 5
6 7
Input
Terminals
Input
Terminals
➀
I/O Image Area
Rack X
Input
Terminals
➁
➂
➂
➃
➃
NOTE: I/O terminals and racks are
numbered in octal.
Figure 4.4 Ć Addressing Example Using 8Ć and 16Ćpoint I/O Modules