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
3.8.7 Frozen Counters included in Class 0 response:
○ Always Not Supported
○ Never
○ Only if the point is
assigned to a class
○ Based on point Index
(add column to table in
part 5)
3.8.8 Frozen Counter 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 are typically reported for Frozen Counters.
○ A: Only most recent
frozen value
Not Supported
○ B: All frozen values
○ Based on point Index
(add column to table in
part 5)
3.8.9 Counters Roll Over at:
○ 16 Bits (65,535)
● 32 Bits
(4,294,967,295)
○ Other Fixed Value
_________
○ Configurable; range
_________ to__________
○ Configurable,
selectable from
___,___,___
○ Configurable, other,
describe:
○ Based on point Index
(add column to table in
part 5)
3.8.10 Counters frozen by means of:
Table continues on next page
1MRK 511 419-UUS A Section 3
DNP3 protocol implementation
650 series 2.2 ANSI 59
Point list manual
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