Rockwell-automation 1771-ASB/E Remote I/O Adapter User Manual Manual de usuario descargar pdf (Pagina 37)

3–7Addressing 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

Terminals

Output

Terminals

2-slot

I/O Group

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

05 03

02 01 00

Input image table word corresponding

to the I/O group.

Left

Slot

Right

Slot

00Ć07 10Ć17

11 012

Module

Terminal

Number

Type of I/O module

1 = Input

0 = Output

I/O Rack Number

11 0

I/O Group

Number

Example: Using I/O Group 0, a sample physical address

(with its corresponding data table address) is:

10808ĆI

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 93 94

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Rockwell-automation 1771-ASB/E Remote I/O Adapter User Manual Manual de usuario Pagina 37

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