Rockwell Automation T3831 ICS Regent Communications Package for Winterpret - Manual (Page 8)

Communications Package for W INTERPRET (T3831)
8
Industrial Control Services
Figure 6. Structure of the GPL Output Data Buffers.
Each buffer is the size of the GPL data packet that this
Regent provides to the network. At the end of each
application program scan, the values of the variables
configured for GPL are copied into the primary output data
buffer. When the Regent receives its GPL poll command from
a particular leg of the network, the primary output data buffer
is copied to the output data buffer for that leg and the Regent
broadcasts its GPL data from this buffer to the particular leg
of the network.
GPL Fault Handling
During GPL operations, each Regent performs fault detection
and fault handling for the GPL communications, regardless of
whether it is a GPL Net Master or Net Slave. The input