Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module - Manual (Page 39)

Chapter
3
Configuring the Module
This chapter provides instructions and information for setting the
parameters in the 1769-SM2 module.
For a list of parameters, refer to Appendix B , Module Parameters . For
definitions of terms in this chapter, refer to the Glossary .
Single Mode
When the module is in Single mode, the I/O image is comprised of a
maximum of 7 words (
Table 3.A ).
Table 3.A I/O Image Table for Single Mode
Topic Page
Determining I/O Image Size 3-1
Configuration Tools 3-2
Configuration Methods 3-3
Controller Mode 3-3
Parameter Mode 3-12
Using the Optional, External PowerFlex 4-Class HIM 3-13
Setting the I/O Configuration (Multi-Drive Mode Only) 3-14
Setting an Idle Action (Single and Multi-Drive Mode) 3-15
Setting Drive Node Addresses (Multi-Drive Mode Only) 3-16
Configuring the Modbus RTU Master Parameters 3-17
Resetting the Module 3-20
Viewing the Module Status Using Parameters 3-21
Flash Updating the Module 3-22
Determining I/O Image Size
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
TIP: When using Single mode, it is recommended to set the I/O size to
7 Input words and 7 Output words. This accommodates one drive per
channel, even if a channel is left unused for future use.