
3.1 BINARY INPUTS
Static (Steady-State)
Group Number: 1 Event
Group Number: 2
Capabilities
(leave tick-boxes blank if
this data type is not
supported)
Current Value
If configurable, list
methods
3.1.1 Static Variation reported when variation 0 requested or in response to Class polls:
● Variation 1 – packed
format
One
PST or LHMI
(Obj1DefVar)
● Variation 2 – with flag
○ Based on point Index
(add column to table in
part 5)
3.1.2 Event Variation reported when variation 0 requested or in response to Class polls: Note: The
support for binary input events can be determined remotely using protocol object Group 0 Variation 237.
● Variation 1 – without
time
Three
PST or LHMI
(Obj2DefVar)
● Variation 2 – with
absolute time
● Variation 2 – with
relative time
○ Based on point Index
(add column to table in
part 5)
3.1.3 Event reporting mode: When responding with event data and more than one event has occurred for
a data point, an Outstation may include all events or only the most recent event. “All events” must be
checked to be compliant.
○ Only most recent
All events
● All events
3.1.4 Binary Inputs included in Class 0 response:
● Always
Always
○ Never
○ Only if the point is
assigned to a class
○ Based on point Index
(add column to table in
part 5)
3.1.5 Binary Inputs Event Buffer Organization: When event buffers are allocated per object group (see
part 1.7.6), indicate the number of events that can be buffered for Binary Inputs. If event buffers are not
allocated per object group then set “Fixed at 0”.
● Fixed at 1000
○ Configurable, range
_______ to _______
○ Configurable,
selectable from
____,____,____
○ Configurable, other,
describe:
1MRK 511 419-UUS A
Section 3
DNP3 protocol implementation
650 series 2.2 ANSI
51
Point list manual