C-18 W650 Wind Generator Protection System GEK-113032A
C.7 BINARY COUNTERS APPENDIX C
C
C.7BINARY COUNTERS
Currently there are no Binary Counters in the W650 relay. Nevertheless W650 accepts requests of DNP objects 20 (Binary
Counters), 21 (Frozen Counters) and 22 (Counter Change Events). Function codes “Immediate Freeze”, “Freeze and
Clear” etc. are accepted and W650 will respond with no objects and the IIN2-1 (Object Unknown) flag set. This behavior is
in conformance with DNP Level 2 Implementation (Document 28528: Level 2 DNP 3.00 Implementation).
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