10
Rockwell Automation Publication 5069-IN019C-EN-P - October 2018
CompactLogix 5480 Controller
The following diagram shows an external 24V DC power supply that is
connected to the MOD power RTB when you are
not using UPS
control signals
.
Install the SA Power RTB
Install the SA power RTB even if you do not use SA power.
1. Hook the bottom of the SA power RTB on the controller.
2. Push the RTB against the controller until you hear a click.
3. Push the RTB handle against the RTB until you hear a click.
Connect SA DC Power
Before you connect an external DC power source to the SA power
RTB, make sure that the SA power source is properly sized.
For more information o n SA power, see
SA Power on page 7
1. Confirm that MOD power and SA power sources are
turned off.
2. Strip 12 mm (0.47 in.) of insulation from the wires that you
connect to the RTB.
3. Insert the wire from the DC (+) connection on the external
power supply into the first SA (+) terminal on the RTB.
4. Turn the screwdriver to close the terminal on the wire.
The screw torque is 0.4 N•m (3.5 lb•in).
5. Insert the wire from the DC (—) connection on the external
power supply into the first SA (—) terminal on the RTB.
6. Turn the screwdriver to close the terminal on the wire.
The screw torque is 0.4 N•m (3.5 lb•in).
24V DC
Power
Supply
+
–
SA Power RTB
IMPORTANT
SA power is only required if your application includes local
Compact 5000 I/O modules that are connected to devices that
use SA power.