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E159708
C-11
C: Shark® 270 Meter DNP Mapping
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C.10.5: Object 12 - Relay Output Block
These points are mapped to the digital relays on any Digital Relay Option card
installed in the meter as Object 10. Object 12 contains the control point for the card,
i.e., the meter sends an action for this point. The points are implemented as latching
relays.
• The mapping is as follows:.
• Since the points are implemented as latching relays, they can be set to either On or
Off.
• Points 0 to 3 are controlled using 1. the Select function and 2. the Operate function.
This is because they first need to be Selected (Function 3) before they can latch On
or Off; then Operated (Function 4) to the corresponding Latch On or Latch Off.
• There is a timeout period between the Select function and the Operate function.
The Operate function must be completed before this time elapses. If it is not, the
Operate function is ignored. The timeout period is configurable through the DNP
Configurable Profile.
• Points 4 to 7 are controlled using the Direct Operate function (Function 5). The
operation of Latch On will trigger the action they represent, but there will not be
any physical actuation. The read back of points 4-7 will always be tripped.
Point
Description
Availability
0
Relay Out#1 in Option Card #1
When a Relay Option card is installed in slot
#1; and the relay is not used as an alarm out-
put or ElectroLogic
TM
assignment; and the
point is allowed in the DNP Configurable Pro-
file.
1
Relay Out# 2 in Option Card #1
2
Relay Out#1 in Option Card #2
When a Relay Option card is installed in slot
#2; and the relay is not used as an alarm out-
put or ElectroLogic
TM
assignment; and the point
is allowed in the DNP Configurable Profile.
3
Relay Out#2 in Option Card #2
4
Reset Energy Counters
When the point is allowed in the DNP Configu-
rable Profile.
5
Change Serial Com Protocol to
Modbus RTU
6
Reset Demand Min/Max
7
Manual Trigger Waveform
Capture