ABB ret650 User Manual

12.2.9 Position evaluation POS_EVAL
12.2.9.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Position evaluation POS_EVAL - -
12.2.9.2 Functionality
Position evaluation (POS_EVAL) function converts the input position data signal
POSITION, consisting of value, time and signal status, to binary signals OPENPOS
or CLOSEPOS.
The output signals are used by other functions in the interlocking scheme.
12.2.9.3 Function block
POS_EVAL
POSITION OPENPOS
CLOSEPOS
IEC09000079_1_en.vsd
IEC09000079 V1 EN
Figure 147: POS_EVAL function block
12.2.9.4 Logic diagram
POS_EVAL
POSITION OPENPOS
CLOSEPOS
IEC08000469-1-en.vsd
Position including quality
Open/close position of
switch device
IEC08000469-1-EN V1 EN
Only the value, open/close, and status is used in this function. Time information is not
used.
Input position (Value)
Signal quality Output OPENPOS Output CLOSEPOS
0 (Breaker
intermediate)
Good 0 0
1 (Breaker open) Good 1 0
2 (Breaker closed) Good 0 1
3 (Breaker faulty) Good 0 0
Any Invalid 0 0
Any Oscillatory 0 0
1MRK 504 135-UEN A Section 12
Control
327
Technical manual

ABB ret650 Specifications

General

Brand	ABB
Model	ret650
Category	Protection Device
Language	English