Rockwell-automation 1769-SM2 Compact I/O DSI/Modbus Communication Modu Manual de usuario Pagina 103

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Chapter 7
CompactLogix Example Ladder
Programs
This chapter provides ladder examples for a CompactLogix controller
used with a 1769-SM2 module in Single mode and Multi-Drive mode.
The ladder example provided in this section is based on a 1769-SM2
module in slot 1 with one PowerFlex 4/40 drive connected to each
channel (Figure 7.1). The ladder example demonstrates the following
functionality for each channel:
Send a Logic Command to control the drive (for example, start, stop).
Send a Reference to the drive and receive Feedback from the drive.
Receive Logic Status information from the drive.
Write and read parameters.
Explicit messaging (parameter read/write) capability varies between the
RSLogix software packages and controllers:
Explicit messaging can be used with enhanced CompactLogix
processors, such as the -L31, -L32E, and -L35E.
CompactLogix -L20 and -L30 processors do NOT have explicit
messaging capability.
Topic Page
Single Mode
7-1
Multi-Drive Mode 7-10
Single Mode
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