V2.00
KBR multicomp F144-3PH
73
19837_EDEBD
A0227-1816-1_EN
Data point description for the Modbus protocol
Example Modbus RTU
Request:
01 04 00 1F 00 32 40 19
in which
01
Device address
04
Command
00 1F
Read active power L1 from register 0x0020 (in accordance with the Mod-
bus definition, the required address must be set to -1 in the request telex)
00 32
Read 50 registers, i.e. read 25 data points
40 19
CRC code
Response:
01 04 64 xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx
xx xx xx
xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx
xx xx xx xx
xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx xx
yy yy
in which
01
Device address
04
Command
64
100 data bytes
xx xx xx xx
Active power L1
xx W
xx xx xx xx
Active power L2
xx W
xx xx xx xx
Active power L3
xx W
xx xx xx xx
Reactive power L1 – only fundamental component
xx var
xx xx xx xx
Reactive power L2 – only fundamental component
xx var
xx xx xx xx
Reactive power L3 – only fundamental component
xx var
xx xx xx xx
cos Phi L1
xx
xx xx xx xx
cos Phi L2
xx
xx xx xx xx
cos Phi L3
xx
xx xx xx xx
Power factor L1
xx
xx xx xx xx
Power factor L2
xx
xx xx xx xx
Power factor L3
xx
xx xx xx xx
Voltage distortion factor L1
xx %
xx xx xx xx
Voltage distortion factor L2
xx %
xx xx xx xx
Voltage distortion factor L3
xx %