C-
32
LPS-D Line Protection System
GE Power Management
C.3 POINT LISTS
APPENDIX C
C
C.3.7 DATA FORMATS – ANALOG INPUT AND OUTPUT POINTS
Data formats for Analog Input and Analog Output Points.
F1 – Signed 16-bit integer, 1 decimal place.
e.g. 123.4 is reported as 1234.
F2 – Signed 16-bit integer, 2 decimal places.
e.g. 12.34 is reported as 1234.
F3 – Signed 16-bit integer, 3 decimal places.
e.g. 1.234 is reported as 1234.
F4 - Signed 16-bit integer, no decimal places
F5 - Signed 8-bit integer, No decimal places. Encoded Fault Type.
There are 16 valid fault type codes as given below:
F6 – Unsigned 16-bit integer, No decimal places. Encoded Fault Trip Type. The lower and upper 16-bits
of the 32-bit value are assigned to two separate points. To read the trip type the two points need to
be read and concatenated to form a 32-bit word.
Each bit of Trip Type indicates a Trip flag that is picked up. The following table lists the mnemonic for
each of the bits of Trip Type.
F7 – Unsigned 8-bit integer, No decimal places. Encoded Trip Phase information.
Trip phases is a single byte value with the least significant four bits indicating which of the four phases
have a trip fault as shown below:
Table C–8: FAULT TYPE CODES
FAULT TYPE CODE
FAULT TYPE
0
Undetermined
1
AG
2
BG
3
CG
4
ABG
5
BCG
6
CAG
7
AB
8
BC
9
CA
10
3PH
11
A
12
B
13
C
14
G
15
TRG
Содержание LPS-D
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