Rockwell Automation 1756-xxxx ControlLogix Chassis and Power Supplies Installation Instructions - Manual (Page 33)

Rockwell Automation Publication 1756-IN005C-EN-P - March 2014 33
Install Chassis and Redundant Power Supplies Chapter 2
Tools Required When installing your chassis and power supplies, the following items are
required:
• 3.18 mm (0.125 in.) slotted screwdriver
• 6.35 mm (0.25 in.) slotted or #2 Phillips-head screwdriver
• Torque screwdriver
• Needle-nose pliers
• Crimping tool
• Wire-stripping tool
• Drill
Parts Required Each redundant power supply requires four, #10 Phillips screws for installation.
Eight, #10 Phillips screws are required to install two redundant power supplies.
Use these tables to determine the parts required to install your chassis. These
parts are not included with the chassis and must be ordered separately.
For each mounting tab on the chassis, the following parts are required.
Tab Position With SEM Screws
(1)
(1) Phillips screw with attached star washer.
Without SEM Screws
Top • 1 Phillips screw
• 1 flat washer
• 1 split-lock washer N/A
Bottom 1 SEM screw • 1 Phillips screw
• 1 star washer
Table 6 - Mounting Tabs per Chassis
Chassis Number of
Mounting Tabs Total Parts Required Per Chassis
With SEM Screws Without SEM Screws
1756-A4, 1756-A7,
1756-A4LXT, 1756-A7LXT 2 top
2 bottom • 2 Phillips screws
• 2 flat washers
• 2 split-lock washers
• 2 SEM screws • 4 Phillips screws
• 2 flat washers
• 2 split-lock washers
• 2 star washers
1756-A10,
1756-A5XT, 1756-A7XT 3 top
3 bottom • 3 Phillips screws
• 3 flat washers
• 3 split-lock washers
• 3 SEM screws • 6 Phillips screws
• 3 flat washers
• 3 split-lock washers
• 3 star washers
1756-A13 4 top
4 bottom • 4 Phillips screws
• 4 flat washers
• 4 split-lock washers
• 4 SEM screws • 8 Phillips screws
• 4 flat washers
• 4 split-lock washers
• 4 star washers
1756-A17 5 top
5 bottom • 5 Phillips screws
• 5 flat washers
• 5 split-lock washers
• 5 SEM screws • 10 Phillips screws
• 5 flat washers
• 5 split-lock washers
• 5 star washers