LS Industrial Systems GIPAM - Page 84

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;AD7!===IgYfAUbiU`
(MSB) 0 0 0 1 0 1 1 1 (LSB)
BIT7,6,5 : Null
BIT 4 : CB ON Output
BIT 3 : CB OFF Output
BIT 2 : 0 = LOCAL , 1= REMOTE
BIT 1 : CB ON Input
BIT 0 : CB OFF Input
f) 6
th
. byte : 0F ⇒ Status of RESET
(MSB) 0 0 0 0 1 1 1 1 (LSB)
BIT7~4 : Null
BIT3 : REMOTE FAULT RESET
BIT2 : LOCAL FAULT RESET
BIT1 : REMOTE WH RESET
BIT0 : LOCAL WH RESET
g) 7
th
. byte : (1st BYTE + …. + 6
th
BYTE) % 0x100
Note) Status of bit ⇒ 0 : SET
10.2.2 Measuring Data
Command
CODE
2,3,4,5(byte) 6,7,8,9(byte) 10,11,12,13(byte) 14 Remarks
01H
R Phase
Current(Ir)
S Phase
Current(Is)
T Phase Current (It)
02H
Line Voltage
between R and S
Phase (Vrs)
Line Voltage
between S and
T Phase (Vst)
Line Voltage
between T and R
Phase (Vtr)
03H Power Watt
Volt-Ampere
Reactive
04H Frequency Wh Varh
05H
R Phase
Voltage(Vrn)
S Phase
Voltage(Vsn)
T Phase
Voltage(Vtn)
Check
Sum
3P4W
* Checksum = (1
st
BYTE + … + 13
th
BYTE ) % 0x100
Note) This data is transmitted from LSB to MSB one after another
Representation of FLOATING POINT
- The representation follows IEEE 754.
- It is available to read by High Level Programming Language such as C or FORTRAN, if
4 bytes of data is stored into FLOATING POINT Variable.
BIT31 BIT 30 ~ 23 BIT 22 ~ 0
SIGN EXPONENT FRACTION