User manual

Publication 1768-UM001C-EN-P - November 2007
12 1768 CompactLogix Overview
Example - Standalone CompactLogix Controller with I/O and DeviceNet
Communication
Complex CompactLogix System
1768 Backplane
– 1768 Controller Plus Two 1768 Modules
1769 Backplane
– 1769-SDN Scanner for the DeviceNet Network
– As many as eight 1769 I/O modules
Computers or Other
Controllers
Built-in
Serial Port
Other
Networks
SERCOS
Drives
Distributed
I/O
EtherNet/IP Network via
1768-ENBT Communication
Module or ControlNet network
via 1768-CNB or 1768-CNBR
Communication Modules
SERCOS Motion via 1768-M04SE
Adapter Module
DeviceNet Network via
1769-SDN Scanner Module
1769 Local I/O
1768-L43 - Maximum 3 I/O Banks
for a Total of 16 I/O Modules
1768-L45 - Maximum 3 I/O Banks
for a Total of 30 I/O Modules
1768 backplane contains the
1768-L43 and as many as two 1768
modules or the 1768-L45 controller
and as many as four 1768 modules.
IMPORTANT
You can attach up to eight of the local I/O modules to your 1768
controller.
Install the remaining modules in one or two additional I/O
banks attached to the 1768/1769 system.
See 1769 Module Placement on page 53 for more information.
The additional banks are powered by any standard 1769 power
supply and connect to the main rack by using standard
1769-CRLx extension cables.