Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Instrukcja Użytkownika Pobierz pdf (Strona 61)

Chapter 4

Understanding the I/O Image

This chapter provides information and examples of the 1769-SM2

module I/O image, including Module Control/Status, Logic Command/

Status, and Reference/Feedback.

The I/O image for the 1769-SM2 module varies based on its selected

operating mode (Single or Multi-Drive), and the settings for Parameters

07 - [DSI I/O Cfg 1], 22 - [DSI I/O Cfg 2], and 37 - [DSI I/O Cfg 3].

Table 4.A 1769-SM2 Module I/O Image Table for Single Mode

Table 4.B 1769-SM2 Module I/O Image Table for Multi-Drive Mode

Note that the I/O words for each channel are contiguous, keeping the

required I/O space to a minimum. For example, to connect one

PowerFlex 40 drive in Single mode and perform control (Logic

Command/Status and Reference/Feedback), only 3 words of I/O are

Topic Page

Module Control Word

4-2

Module Status Word 4-3

Using Logic Command/Status 4-4

Using Reference/Feedback 4-4

Output Image Input Image

Word

CH1 CH2 CH3

Module Control Word Module Status Word 0

Logic Command Logic Status 1 3 5

Reference Feedback 2 4 6

Output Image Input Image

Word

CH1 CH2 CH3

Module Control Word Module Status Word 0

Drive 0

Logic Command Logic Status 1 11 21

Reference Feedback 2 12 22

Drive 1

Logic Command Logic Status 3 13 23

Reference Feedback 4 14 24

Drive 2

Logic Command Logic Status 5 15 25

Reference Feedback 6 16 26

Drive 3

Logic Command Logic Status 7 17 27

Reference Feedback 8 18 28

Drive 4

Logic Command Logic Status 9 19 29

Reference Feedback 10 20 30

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 203 204

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