Rockwell Automation 1775-MX_S4A,D17756.3.1 User Manual PLC-3 BACKUP CONC(OR.DU1 - Manual (Page 20)

Installing a Backup System
Chapter 2
2-5
Figure 2.3
Connections for a PLCĆ3/10 Backup System Using Scanner Backup
To Earth
Ground
Blue
Shield
Clear
To other
I/O Chassis
in the Channel
1 7
10
6
5
8
9 2 2
3 3
4 4
5
5
5
6
1. PLC-3/10 Processor (Primary)
2. 1771 I/O Chassis (cat. no. 1771-A1B, -A2B, A3B, -A4B)
3. Power Supply (cat. no. 1771-P2)
4. I/O Power Cable, 1ft. (cat. no. 1771-CE)
5. Twinaxial Cable (cat. no. 1770-CD) 10,000 ft. Max. Each I/O Channel at 57.6K Baud
6. Terminator (cat. no. 1770-XT) Connect one at each end of the I/O Channel
7. PLC-3/10 Processor (backup)
8. Backup Cable (cat. no. 1775-CBA, -CBB)
9. Backup Communication Cable (cat.no. 1770-CD)
10. Ground Bus Plate
18756