Rockwell Automation AutoMax R-Net Processor Module - Manual (Page 17)

4Ć1
4.0 PROGRAMMING
This section describes how the data is organized in the AutoMax
RĆNet Processor module and provides examples of how the module
is accessed by the application software. For more detailed
information on programming, refer to the AutoMax Programming
Reference binder (JĆ3659) and the DCS 5000 Programming
Reference binder (JĆ3611).
4.1 Register Organization
The dual port memory in the RĆNet module contains status and
control registers, the AutoMate image area, and a command buffer
area. Refer to figure 4.1 for the dual port memory register
assignment.
Register 0 Ć 63 Status and Control (64 16Ćbit Words)
Register 64 Ć 2623 AutoMate Image (2560 16Ćbit Words)
Register 2624 Ć 3583 Not Used (960 16Ćbit Words)
Register 3584 Ć 4095 Command Buffer (512 16Ćbit Words)
Figure 4.1Ć Dual Port Memory Register Assignment
4.1.1 Status and Control Registers
Registers 0 Ć 63 of the dual port memory are status and control
registers. All registers are Read/Write and can be accessed by an
application task or monitored using the I/O Monitor function of the
AutoMax Programming Executive. For more information regarding
the I/O Monitor function, refer to the AutoMax Programming
Executive Instruction Manual. Refer to figure 4.2 for register
assignment.
CAUTION
REGISTERS 0Ć3 AND 62Ć63 CONTROL THE OPERATION OF THE
GATEWAY_CMD_OK@ FUNCTION AND SHOULD NOT BE ALTERED. IT IS THE
PROGRAMMER'S RESPONSIBILITY TO ENSURE THAT THESE REGISTERS
ARE NOT WRITTEN TO BY AN APPLICATION TASK. FAILURE TO OBSERVE THIS
PRECAUTION COULD RESULT IN DAMAGE TO OR DESTRUCTION OF THE
EQUIPMENT.