Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

Page 88

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Starting Your Processor

Chapter 5

5-6

Using 8-Point I/O Modules
I/O modules generally provide eight input terminals or eight output
terminals. Figure 5.4 illustrates the 2-slot I/O group concept with two
8-point input modules. Figure 5.5 illustrates the 2-slot I/O group concept
with an 8-point input and an 8-point output module.

Figure 5.4

Illustration of 2ĆSlot Addressing with Two 8ĆPoint Input Modules

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17 16 15 14 12 10 07 06 05 03 02 01 00

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11867

unused

Output image table word

corresponding to the I/O group

Input image table word

corresponding to the I/O group

input

terminals

2Ćslot

I/O group

input

terminals

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