BGX701-014-R03, User Manual for PT3 Transducers
9.3.6.2 Standard registers (For instantaneous parameters)
All calculated values are represented as two consecutive Modbus registers. The value of a quantity is
represented as a single precision floating point number according to IEEE 754, in SI unit.
Register address
Size (in bytes) Parameter Format
U1 voltage (L-N) / U12 (L-L)
U2 voltage (L-N) / U23 (L-L)
U3 voltage (L-N) / U31 (L-L)
Reactive power on phase L1
Reactive power on phase L2
Reactive power on phase L3
Apparent power on phase L1
Apparent power on phase L2
Apparent power on phase L3
Active power factor phase L1
Active power factor phase L2
Active power factor phase L3
Load power factor phase L1
Load power factor phase L2
Load power factor phase L3
43069 to 43070 4 System voltage V = (V1+V2+V3)/3 32 bits FP
System current I = (I1 + I2 + I3)/3
43073 to 43074 4 Active power of the system P = P1
32 bits FP
43075 to 43076 4 Reactive power of the system Q =
32 bits FP
43077 to 43078 4 Apparent power of the system S =
32 bits FP
System power factor L1,L2,L3
System power factor load L1,L2,L3