22 Rockwell Automation Publication 5069-UM007A-EN-P - February 2019
Chapter 2 Compact 5000 EtherNet/IP Adapter Power Requirements
SA Power - Additional Notes
Remember the following:
• We recommend that you use a separate power supply for the SA power
connection from the power supply that is used with the MOD power
connection.
• The actual current in a Compact 5000 I/O system SA power bus current
draw changes based on the operating conditions at a given time.
For example, the SA power bus current draw on some modules is
different if all channels power field devices or half of the channels power
field devices.
• Not all Compact 5000 I/O modules use SA power.
For example, the 5069-ARM, 5069-OB16, 5069-OB16F, 5069-OW4I,
and 5069-OX4I modules do not use SA power.
• Some Compact 5000 I/O modules use field-side power but do not draw
it from a SA power bus. The modules receive field-side power from an
external power supply that is connected to the module RTB.
For example, the 5069-OB16 and 5069-OB16F modules use Local
Actuator (LA) terminals, that is, LA+ and LA- terminals for all
module channels.
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