Rockwell Automation 1769-PB4 Compact I/O Expansion Power Supplies - Manuel

Installation Instructions
Compact I/O Expansion Power Supplies
Catalog Numbers 1769-PA2, 1769-PB2, 1769-PA4,
1769-PB4
About the Power Supplies
Compact I/O power supplies provide 120/240V AC and 24V DC power to modules, which
can be placed to the left or the right side of the 1769 power supply. As many as eight I/O
modules can be placed on each side of the power supply.
Topic Page
Important User Information 2
Environment and Enclosure 3
North American Hazardous Location Approval 4
Install Safety Circuits 4
European Hazardous Location Approval 5
Before You Begin 6
Assemble the System 9
Mount an I/O Expansion Power Supply 11
Verify Your System Power 14
Power Considerations 15
Use a Master Control Relay 17
Schematic (Using IEC Symbols) 18
Schematic (Using ANSI/CSA Symbols) 19
Connect the Power Supplies 19
Connect Field Wires 21
Replace the Fuse 24
Temperature Derating 25
Power Dissipation 28
Specifications 30
Additional Resources 35