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6
1769-L31 CompactLogix™ Controller
System Planning
Consider the following when planning your CompactLogix system:
• The CompactLogix controller is always the left-most module in the system.
• The controller must be located within four modules of the system power
supply. Some I/O module's may be located up to 8 modules away from the
power supply. See the documentation for your 1769 I/O modules for details.
• The 1769-L31 controller supports as many as 16 I/O modules in a maximum
of 3 I/O banks with 2 expansion cables.
• Each I/O bank requires its own power supply.
• Only one controller can be used in a CompactLogix system.
• A 1769-ECR (right end cap) or 1769-ECL (left end cap) is required to
terminate the end of the communication bus.
Installation Steps
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Publication 1769-IN069A-EN-P - March 2004
Installation Step:
Connect the battery
Install the 1784-CF64 CompactFlash card (optional)
Assemble the system
Mount the system
Make serial connections
Install the appropriate EDS files
Load controller firmware
See Page:
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