3.8 COUNTERS/
FROZEN COUNTERS
Counter Group Number:
20
Frozen Counter Group
Number: 21
Counter Event Group
Number: 22
Frozen Counter Event
Group Number: 23
Capabilities
(leave tick-boxes blank if
this data type is not
supported)
Current Value
If configurable, list
methods
● A: Only most recent
(value at time of event)
○ B: Only most recent
(value at time of
response)
○ C: All events
○ Based on point Index
(add column to table in
part 5)
3.8.5 Static Frozen Counter Variation reported when variation 0 requested or in response to Class polls:
○ Variation 1 – 32-bit
with flag
Not Supported
○ Variation 2 – 16-bit
with flag
○ Variation 5 – 32-bit
with flag and time
○ Variation 6 – 16-bit
with flag and time
○ Variation 9 – 32-bit
without flag
○ Variation 10 – 16-bit
without flag
○ Based on point Index
(add column to table in
part 5)
3.8.6 Frozen Counter Event Variation reported when variation 0 requested or in response to Class polls:
Note: The support for frozen counter events can be determined remotely using protocol object Group 0
Variation 225
○ Variation 1 – 32-bit
with flag
Not Supported
○ Variation 2 – 16-bit
with flag
○ Variation 5 – 32-bit
with flag and time
○ Variation 6 – 16-bit
with flag and time
○ Based on point Index
(add column to table in
part 5)
Table continues on next page
Section 3 1MRK 511 419-UUS A
DNP3 protocol implementation
58 650 series 2.2 ANSI
Point list manual
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