5–2 RIO Block Transfer
Publication
17476.6 - July 1996
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RIO
Scanner
SLC
Processor
➀
I/O
Image
M Files
Chassis Backplane
RIO Link
= path of a Block Transfer (BT)
RIO Block Transfer Theory of Operation - Path of a Block Transfer
Refer to the diagrams on the following pages
for more details on BTR and BTW sequence of
operation.
Block Transfer Write (BTW) data travels from the SLC processor
across the chassis backplane via the scanner's M files. The scanner
then sends the data across the RIO link to the adapter or intelligent I/O
module.
Block Transfer Read (BTR) data travels from the adapter or intelligent
I/O module over the RIO link to the scanner. The chassis backplane
then transfers BTR data via the scanner's M files to the SLC
processor. The SLC control program processes the data once the
SLC receives it from the scanner.
➀
SLC 5/02 processor or above
Adapter or
Intelligent
I/O Module
M
Files
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