
POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
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11.1.1.- MODBUS/RTU MEMORY ADDRESS LIST OF THE QNA500
This address map can be modified so it is strongly recommended to download updated information
from CIRCUTOR’s webpage.
Instantaneous variables
VARIABLE SYMBOL
MAXIMUM MINIMUM UNITS
Vpp)
V1 00 - 01 100 - 103 300 - 303 V x 100
Vpp (only in case 3w mode
selection)
V12 3A - 3B 174 - 177 374 - 377 V x 100
Capacitive reactive power
Voltage selected (Vpn or
Vpp)
V2 10 - 11 120 - 123 320 - 323 V x 100
Vpp (only in case 3w mode
selection)
V23 3C - 3D 178 - 17B 378 - 37B V x 100
Capacitive reactive power
Vpp)
V3 20 – 21 140 – 143 340 – 343 V x 100
Vpp (only in case 3w mode
selection)
V31 3E - 3F 17C - 17F 37C - 37F V x 100
Capacitive reactive power
n
n
Three-phase phase voltage
Inductive three-phase power
Capacitive three-phase
power
kvarCIII 48 – 49 190 – 193 390 – 393 Var
Apparent three-phase power
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