Specifications

13
1768-SG001A-EN-P -- March 2006
CompactLogix Selection Guide
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You can DIN-rail or panel mount the controller and I/O modules. The number of local I/O
modules supported depends on the controller.
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1768-L43 16 local modules 3 separate banks
Each 1769 I/O module has a distance rating. In 1769 systems, the distance rating is the
number of modules between the specific module and the 1769 power supply. In a 1768
system, the distance rating is the number of modules between the specific I/O module
and the 1768 controller.
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The 1768 power supply supports as many as eight 1769 modules. If you have more 1769
modules, install them in one or two additional I/O banks. If you divide 1769 modules into
multiple banks:
y each bank can only contain 1769 I/O modules.
y each bank needs its own, standard 1769 power supply, such as 1769-PA4.
y use expansion cables to connect the banks.
y the last I/O bank requires an end cap.
How you orient I/O banks determines which expansion cables you need to connect the
I/O banks.
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Second bank
right to left 1769-CRLx
right to right 1769-CRRx
Third bank
right to left 1769-CRLx
right to right 1769CRRx
left to left 1769-CLLx
Where x = 1 for 1 ft (305 mm) or 3 for 3.28 ft (1 m).