POINT I/O 24V DC Expansion Power Supply 7
Publication 1734-IN058C-EN-P - October 2015
About the Power Supply
The expansion power supply passes 24V DC field power to the I/O modules to the right
of it. The expansion power supply extends the backplane bus power for up to 17 I/O
modules to the right of the supply and creates a new field voltage partition segment for
driving field devices. The expansion power supply separates field power from I/O modules
to the left of the unit, effectively providing functional and logical partitioning for the
following.
• Separate field power between input and output modules.
• Separate field power to the analog and digital modules.
• Group modules to perform a specific task or function.
The dark-gray color of the expansion power supply allows for easy visual inspection and
identification. Refer to the figure to identify external power supply components.
Use multiple expansion power supplies with POINT I/O adapters to assemble a full
system. With any POINT I/O adapter, use an expansion power supply to add additional
modules in 4…17 module increments, for a total of 63 I/O modules.
Interlocking
side pieces
Module
label
DIN rail locking
screw (orange)
RTB removal
handle
Removable
Terminal
Block (RTB)
43970
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