D.22
SEL-700G Relay
Instruction Manual
Date Code 20170814
DNP3 Communications
DNP3 Documentation
The SEL-700G also supports Pattern Control Blocks (Object 12, Variations 2
and 3) to control multiple binary output points. Variation 2 defines the control
type (Trip/Close, Set/Clear, or Pulse) and the range of points to operate.
Variation 3 provides a pattern mask that indicates which points in that range
should be operated. Object 12, Variations 2 and 3 define the entire control
command: the DNP3 master must send both for a successful control. For
example, the DNP3 master sends an Object 12, Variation 2 message to request
a Trip of the range of indices 0–7. The DNP3 master then sends an Object 12,
Variation 3 message with a hexadecimal value of “BB” as the pattern mask
(converted to binary notation: 10111011). Read right to left in increasing bit
order, the Pattern Block Control command results in a TRIP of indexes 0, 1, 3
to 5, and 7.
Multiple binary output point control operations are not guaranteed to occur
during the same processing interval.
The default binary output data map is populated with the RB01–RB32 point
labels. The binary input (BI) maps are modified in a similar manner, but pairs
are not allowed.
Control Point
Operation
Use the Trip and Close, Latch On/Off and Pulse On operations with Object 12
control relay output block command messages to operate the points shown in
Table D.12. Pulse operations provide a pulse with duration of one protection
processing interval.
Analog Inputs
Analog Inputs (30) and Analog Change Events (32) are supported as defined
in Table D.9. The default variation for both static and event inputs is defined
by the DVARAI1 (DVARAIn for DNP3 LAN/WAN session n) setting. Only
the Read function code (1) is allowed with these objects.
Table D.12
SEL-700G Object 12 Control Operations
Label
Close/Pulse On
Trip/Pulse On
Null/Latch On
Null/Latch Off
Null/Pulse On
RB01–RB32
Pulse Remote Bit
RB01–RB32
Pulse Remote Bit
RB01–RB32
Set Remote Bit
RB01–RB32
Clear Remote Bit
RB01–RB32
Pulse Remote Bit
RB01–RB32
RBxx:RByy
Pulse RByy
RB01–RB32
Pulse RBxx
RB01–RB32
Not Supported
Not Supported
Not Supported
OCX
Open Circuit
Breaker X
(Pulse OCX)
Open Circuit
Breaker X
(Pulse OCX)
Open Circuit
Breaker X
(Pulse OCX)
No Action
Open Circuit
Breaker X
(Pulse OCX)
CCX
Close Circuit
Breaker X
(Pulse CCX)
Close Circuit
Breaker X
(Pulse CCX)
Close Circuit
Breaker X
(Pulse CCX)
No Action
Close Circuit
Breaker X
(Pulse CCX)
OCY
Open Circuit
Breaker Y
(Pulse OCY)
Open Circuit
Breaker Y
(Pulse OCY)
Open Circuit
Breaker Y
(Pulse OCY)
No Action
Open Circuit
Breaker Y
(Pulse OCY)
CCY
Close Circuit
Breaker Y
(Pulse CCY)
Close Circuit
Breaker Y
(Pulse CCY)
Close Circuit
Breaker Y
(Pulse CCY)
No Action
Close Circuit
Breaker Y
(Pulse CCY)
OCX:CCX
Close Circuit
Breaker X
(Pulse CCX)
Open Circuit
Breaker X
(Pulse OCX)
Not Supported
Not Supported
Not Supported
OCY:CCY
Close Circuit
Breaker Y
(Pulse CCY)
Open Circuit
Breaker Y
(Pulse OCY)
Not Supported
Not Supported
Not Supported
Summary of Contents for SEL-700G Series
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