KBR multicomp F144-3PH
V2.00
68
19837_EDEBD
A0227-1816-1_EN
Address Words Description
Value
Format
0xD28C 2
Light load limit [A] incl. current transformer
0.01 –
9999.99
float
0xD28E 2
Average current limit [A] L1
1 – 9999
float
0xD290 2
Average current limit [A] L2
1 – 9999
float
0xD292 2
Average current limit [A] L3
1 – 9999
float
0xD294 2
Average current limit [A] N (not in use)
1 – 9999
float
0xD296 2
Overvoltage limit [%] (0% = off // 50% =
1.5*Uprim)
0-50%
unsigned
long
0xD298 2
Voltage harmonics limit [%]
(100% = programmed primary current)
unsigned
long
0xD29A 2
Current harmonics limit [%]
(100% = programmed primary current)
unsigned
long
0xD29C 2
Target CosPhi 2
-1.0 to
+1.0
float
Table 1
Example Modbus RTU
Request:
01 04 D0 01 00 02 xx xx
in which
01
Device address
04
Command
D0 01
Read from register 0xD002 "measuring voltage primary transformer"
(in accordance with the Modbus definition, the required address must be
set to -1 in the request telex)
00 02
Read 2 registers, i.e. read 1 data point
xx xx
CRC code
Response:
01 04 04 xx xx xx xx yy yy
in which
01
Device address
04
Command
04
4 data bytes
xx xx xx xx
Measuring voltage primary transformer
400V
yy yy
CRC code
Data point description for the Modbus protocol
