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E145701
D-5
D: DNP 3.0 Protocol Assignments
Electro
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D.4.1.1: Binary Output Status (Obj. 10, Var. 2)
Binary Output Status supports the following function:
Read (Function 1)
A READ request for Variation 0 is responded to with Variation 2.
Binary Output Status is used to communicate the following data measured by Shark®
100 meters:
Energy Reset State
Change to MODBUS RTU Protocol State
Energy Reset State (Point 0)
Shark® 100 meters accumulate power generated or consumed over time as Hour
Readings, which measure positive VA Hours and positive and negative W Hours and
VAR Hours. These readings can be reset using a Control Relay Output Block object
(Object 12). The Binary Output Status point reports whether the Energy Readings are
in the process of being reset, or are accumulating. Normally, readings are being
accumulated - the state of this point reads as '0'. If readings are in the process of
being reset, the state of this point reads as '1'.
Change to Modbus RTU Protocol State (Point 1)
Shark® 100 meters can of change from DNP Protocol to Modbus RTU Protocol. This
enables the user to update the Device Profile of the meter (this does not change the
meter’s Protocol setting). A meter reset brings communication back to DNP. A status
reading of "1" equals Open, or de-energized. A reading of "0" equals Closed, or
energized.