Rockwell Automation 1771-ASB/E Remote I/O Adapter User Manual - Manual (Page 37)

3–7 Addressing Modes for Your Remote I/O
Publication 1771-UM001A-US-P - February 2000
Identifying I/O Groups
You identify your I/O groups in one of three ways, depending on the
addressing method and I/O chassis you use. Refer to:
•
Figure 3.6 for 2-slot addressing when using series A I/O chassis.
•
Figure 3.7 for 2-slot addressing when using series B I/O chassis.
•
Figure 3.13 for 1-slot addressing when using series B I/O chassis.
Figure 3.6
Identifying 2Ćslot I/O Groups with Series A I/O Chassis
Input
Term inals
00
01
02
03
04
05
06
07
O utput
Term inals
10
11
12
13
14
15
16
17
2-slot
I/O G roup
Type of I/O module
1 = Input
0 = Output
I/O Rack Number
Physical Address
Module
Terminal
Number
I/O Group
Number
17 16 15 14 12 10 07 06 05 03 02 01 00 04 11 13
Input im age table w ord corresponding to the I/O group.
Left
Slot
Right
Slot
0
00Ć07 10Ć17
1 1 0 12
Module
Terminal
Number
Type of I/O module
1 = Input
0 = Output
I/O Rack Number
1 1 0
I/O Group
Number
Example: Using I/O Group 0, a sample physical address
(with its corresponding data table address) is:
10808ĆI