Rockwell Automation 1395 Node Adapter Board - Manual (Page 10)

Chapter 2
Introduction and Product Description
2-2
Board Configuration The Node Adapter Board causes the Bulletin 1395 Drive to appear as a
remote I/O rack to the PLC Controller. Data transfer between the PLC
Controller and Drive (at the PLC level) is the same as if the PLC
Controller were transferring data to a remote I/O rack. The rack structure
consists of two specific types : full or half rack. A full rack is defined as an
8 group rack, while a half rack is defined as a 4 group rack. Each group,
whether in a full or half rack configuration contains 16 input and 16 output
bits, which are mapped directly into the PLC Controller I/O image table
(refer to Chapter 3 for a description of data transfer). Refer to Figure 2.1
and Figure 2.2 for further information on the full and half rack
configurations.
Figure 2.1
Full Rack Configuration
GROUP 0 GROUP 1 GROUP 2 GROUP 3 GROUP 4 GROUP 5 GROUP 6 GROUP 7
Reserved for
Block Transfer
Module
Groups 1 – 7 each appear to have a 16 bit
input and a 16 bit output module in place
Figure 2.2
Half Rack Configuration
GROUP 0 GROUP 1 GROUP 2 GROUP 3
GROUP 4 GROUP 5 GROUP 6 GROUP 7
Reserved for
Block Transfer
Module
Groups 1 – 3 each appear to have a 16 bit
input and a 16 bit output module in place
Reserved for
Block Transfer
Module
Groups 5 – 7 each appear to have a 16 bit
input and a 16 bit output module in place