Rockwell-automation 20-COMM-R Remote I/O Adapter Manual do Utilizador descarregar pdf (Página 47)

Using Discrete and Block Transfer I/O 4-11

20-COMM-R Remote I/O Adapter User Manual

Publication 20COMM-UM004D-EN-P

Example Ladder Logic

Program Information

The example ladder logic programs in the sections of this chapter are

intended for and operate PowerFlex 70 or PowerFlex 700 drives with the

20-COMM-R adapter in a 1/4 rack configuration.

Functions of the Example Programs

The example programs enable you to do the following:

• Receive Logic Status information from the drive.

• Send a Logic Command to control the drive (for example, start, stop).

• Send a Reference to the drive and receive Feedback from the drive by

Block Transfer I/O.

• Send/receive Datalink data to/from the drive by Block Transfer I/O.

• Access the drive using Block Transfer Messaging (see Chapter 5

, Using

Block Transfer Messaging).

Adapter Settings for the Example Programs

All adapter hardware switches have been disabled and the following

parameters have been set:

• Parameter 3 - [RIO Addr Cfg] = 1

• Parameter 12 - [DPI I/O Config] = xxx0 0011

(Logic Command/Reference and Datalink A are enabled)

• Parameter 25 - [Start RIO Group] = Group 0

• Parameter 27 - [Rack Size] = 1/4 rack

Scanner Settings for the Example Programs

Data files, when used, are pointed out in the examples.

Logic Command/Status Words

These examples use the Logic Command word and Logic Status word for

PowerFlex 70/700 drives. See Appendix

D to view details. The definition of

the bits in these words can vary if you are using a different DPI drive. See

the documentation for your drive.

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 127 128

Sem comentários

Rockwell-automation 20-COMM-R Remote I/O Adapter Manual do Utilizador Página 47