Rockwell Automation AutoMax ControlNet Communication Interface Module - Manual (Page 23)

AutoMax ControlNet Module Page 23
Publication number DSMBCN-UM001B-EN-P February 2003
Programming the MBCN
This section is a guide for configuring and programming the MBCN.
Configure the scheduled connections using RSNetWorx. The
configuration you create contains all the I/O devices to be scanned, and
all the scheduled produced and consumed connections on the MBCN, the
network parameters and the schedule for all updates.
Overview
This section starts with some general information, then describes the
MBCN memory layout in detail, with information about the interface
between your application and the MBCN, and the organization of the
tables on the MBCN.
Memory Overview
The MBCN contains 64 Kbytes (32768 16-bit registers) of shared
memory that can be accessed through the AutoMax rack backplane by
application tasks running on an AutoMax processor. The following table
shows the general organization of the shared memory.
AutoMax Registers Description
0-63 Status and control
5 Module control register
64-7383 Unscheduled data
9216-9245 ID area
9247 Channel state
9248-9263 Active node list
9280-9292 Pending network parameters
9304-9316 Current network parameters
9336-9339 Error log
9344-9401 Diagnostic counters
9466 Serial port state
9468-9471 Revision information
9472 Module state
9473 NAM state
9474-9475 Host watchdog
9476 Keeper state
9477 Flash state