Rockwell Automation 1747-BSN Backup Scanner Module - Manual (Page 9)

Backup Scanner Module 9
Publication 1747-5.38
Local Status Link (LSL)
The local status link is a 57.6K baud serial link used to exchange status between
up to eight 1747-BSN modules residing in the same chassis. The illustration
below shows the LSL and HSSL connections between primary and secondary
chassis with more than one 1747-BSN module.
Figure 4 LSL and HSSL Connections
DIP Switches
The locations of the six-position configuration DIP switch and the four-position
module address DIP switch are shown on page 10.
Processor
1747-BSN #1
1747-BSN #2
1747-BSN #3 1747-BSN #3
Processor
1747-BSN #1
1747-BSN #2
HSSL#1
LSL
LSL
HSSL#2
HSSL#3