Rockwell Automation Publication 5069-IN013D-EN-P - April 2018 13
CompactLogix 5380 Controllers
Remove or Replace the Controller
1. Turn off power to the MOD power and the SA power RTBs.
2. Disconnect wires from the RTBs.
For more information, see
Disconnect Wires from the RTBs
on page 11.
3. Pull the RTB handles to remove the MOD power RTB and SA
power RTB.
4. Remove the Ethernet cable from the controller.
5. Push down on the front of the DIN rail latches.
A click indicates that the DIN rail latches are open.
If the DIN rail latches fail to remain in the open position, hold
them down.
6. Pull the controller off the DIN rail.
7. Repeat the installation steps that are described beginning at
Install the Controller onto the DIN Rail on page 8.
8. Apply MOD power and, if necessary, SA power to the system.
WARNING: If you insert or remove the controller while power is
on, an electrical arc can occur. This could cause an explosion in
hazardous location installations. The controller does not support
"Removal and Insertion Under Power" (RIUP) capability. Do not
connect or disconnect the controller while power is applied. Be
sure that power is removed before proceeding.
ATTENTION: Do not remove or replace a controller while power is
applied. Interruption of the backplane can result in unintentional
operation or machine motion.
IMPORTANT When you remove MOD power from the controller, you shut down
power to all modules in the CompactLogix 5380 system. That is,
all system-side is removed. When you remove SA power from the
controller, all field-side power that is provided by the controller is
removed. If the system uses the SA power that is provided by the
5069-FPD field potential distributor, the system does not lose
field-side power to the right of the field potential distributor.
In this case, you must use a separate power source for the SA
power RTB on the field potential distributor.
We strongly recommend that you take the appropriate actions to
help prevent unintended consequences that can result from a
system power shutdown before you remove MOD power or SA
power from the adapter or field potential distributor.
Despite the removal of power from SA RTBs on the controller or
field potential distributor, the 5069-OB16 and 5069-OB16F
modules continue to receive field-side power. The modules
receive power from an external power source that is connected to
the LA (+) and LA (–) module terminals.
MOD Power
SA Power
MOD Power
SA Power
SA Power RTBMOD Power RTB
MOD Power
Open Position
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