Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 90)

Publication 1785-UM012D-EN-P - July 2005
6-18 Communicating with Remote I/O
B
Sets the done .DN bit (13).
Did the block-transfer
complete without errors?
yes
no
Sets the error .ER bit (12).
Was the block-transfer
a BTR?
yes
no
Copies data from the active
buffer to the block-transfer file
in the data table.
Is the block-transfer
continuous? (the .CO bit is set.)
Re-initializes the block-transfer.
yes
Frees up the active buffer
for the next request
no
go to
Start
go to
A
see page
see page
6-17
6-17