Rockwell Automation 6008-SV2R VMEbus remote I/O Scanner - Manual (Page 15)

Chapter
Scanner Overview
1
1Ć7
scan list:
adapter 1
adapter 2
adapter 1
adapter 3
remote I/O system
adapter 1
adapter 2
adapter 3
➀ scan adapter 1
➄ if the VME master
processor sent a command,
execute the command and then
return to processing the scan list
if there is no command, continue
processing the scan list
VME system with scanner
(scanner using only 1 channel)
remote I/O channel A
remote I/O channel B
(6008ĆSV2R only)
command processing
scanning the
adapters in the
scan list
example scan list:
adapter 1
adapter 2
adapter 1
adapter 3
output data
➂ scan adapter 1
➃ scan adapter 3
➁ scan adapter 2
scanner
status and input data
adapter scan