Rockwell Automation 1775-MX_S4A,D17756.3.1 User Manual PLC-3 BACKUP CONC(OR.DU1 - Manual (Page 33)

Installing a Backup System
Chapter 2
2-18
Connecting an I/O Channel for PeerĆtoĆPeer Communication
Any I/O channel can be used for peer-to-peer communication. Figure 2.15
shows the connections when using I/O channel 1.
Figure 2.15
Connecting an I/O Channel for PeerĆtoĆPeer Communication
To other
PLC-3 systems
Twinaxial Cable
(cat. no. 1770-CD)
Blue
Shield
Clear
Blue
Clear
Terminator
(cat. no. 1770-XT)
Channel No. 1 Shown
Channel No. 1 Shown
10393
Primary Processor Backup Processor
Shield
(Refer to page 2Ć23)