socomec DIRIS A40 - TABLE E000 Hex: Primary configuration

MAN 06 033774 – technical_guide_ DIRIS_A40_A41_C.doc40/Z41 - B 19/27
Reading of total active power (address Hex. 70B) : P1 = + 425,6 kW
Master request :
Slave
Function
Address
Address
Number of words
Number of words
CRC16
High-order
Low-order
High-order
Low-order
07
03
07
0B
00
01
F4DA
DIRIS reply:
Slave
Function
Number of
Word 1
CRC16
bytes
07
03
02
0850
37B8
2128 kW/100
It is necessary to convert the value in the following way:
multiply by VT*CT ratio
2128*100/10*100/5= 425 600 kW/100 = 425,6 kW
Reading of total active power (address Hex. 70B): P1 = - 332,2 kW
Master request :
Slave
Function
Address
Address
Number of words
Number of words
CRC16
High-order
Low-order
High-order
Low-order
07
03
07
0B
00
01
F4DA
DIRIS reply:
Slave
Function
Number of
Word 1
CRC16
bytes
07
03
02
F983
33B5
63875 kW/100
If the answer corresponds to a negative value, the answer, in decimal value, will be higher
than 32767.
In that case, it is necessary to convert the value in the following way:
First step: convert the value Hexadecimal into binary
Hexadecimal :
F983
Binary :
1111 1001 1000 0011
Second step: reverse the binary
value
Binary :
1111 1001 1000 0011
opposite :
0000 0110 0111 1100