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NetSure 710 Series Installation Manual (IM581127000)
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Rev. U
82
Optional SM-DU+ and Shunt Interface Board
The optional SM-DU+ and Shunt Interface Board provides connections for up to twenty-five (25) shunt inputs.
Inputs are factory connected to any distribution positions/devices containing shunts. Refer to
Procedure
Current Inputs: Connect up to twenty-five (25) shunt inputs to the Shunt Interface Board. Observe proper
polarity. Note that some inputs may be factory connected, depending on distribution devices installed. Refer to
the ACU+ Instructions (UM1M820BNA) or NCU Instructions (UM1M830BNA) for programming information for
the unused inputs.
NOTE!
The shunt needs to be installed in the hot (+24V) bus. Connect the plus side of the shunt to the
positive shunt input on the SM-DU+. Connect the negative side of the shunt to the negative shunt input
on the SM-DU+.
