Rockwell Automation 5370 Color CVIM Communications Manual - Manual (Page 138)

6 Chapter
6–1
Using the Pyramid Integrator Backplane
This chapter:
•
Describes the Pyramid Integrator Backplane.
•
Describes backplane communication techniques.
•
Describes Color CVIM module setup requirements
•
Contains a sample PLC–5/250 program.
Note: Refer to Publication No. 5000–2.3 (Allen–Bradley Pyramid Integrator
Technical Overview) for a description of the basic hardware components and
valid configurations. Use the related publications chart in Chapter 1 to
reference other Pyramid Integrator manuals as required.
Through the backplane, you can access an area of memory called Shared
Memory. Shared memory consists of 1024 words (approximately half of
which are presently used). Shared memory contains:
•
Color CVIM module Discrete Bit Information (refer to Appendix B).
These bits include pass/fail/warning data for inspections and command
bits for Color CVIM module operation modes.
•
Results Data (refer to Appendix C).
•
In addition, you can access the Color CVIM module setup and
configuration data through the backplane. Refer to Appendix D.
There are four communications ports which you can simultaneously use to
access Color CVIM module data (Remote I/O, RS–232 (A&B), and
Backplane). Only one of the communications ports can be designated as the
host at any given time. Only the host can issue commands to control the
operation of the Color CVIM module, trigger inspections, upload/download
configurations, and change displays. You can read discrete bits and numerical
results information through any of the three communications ports, even
through non–host devices.
Note: See Chapter 2 for a description of multiple hosts.
Chapter Objectives
What Information can
be Accessed?
Host Designation