16
PQSTOR I
I N S TR U C TI O N M A N UA L
Modbus connection. The tables in this section
highlight key Modbus commands used to install
and run the PQstorI.
—
NOTE: All parameters with an address
starting
in 3
are “Read Only”. Addresses starting in 4 point
to “Read & Write” parameters.
3.9.1 Measurements
Table 8 lists Modbus commands to check the
electrical network properties and system
settings described in Section 3.1.4.
—
Table 8: Modbus commands for PQstorI measurements
Name
Address
Unit
Type
Register
length
Range
Description
Min.
Max.
Ip rms L1
30621
A
Float
2
0
3000
The rms value of the inverter
current measured in phase L1
Ip rms L2
30623
A
Float
2
0
3000
The rms value of the inverter
current measured in phase L2
Ip rms L3
30625
A
Float
2
0
3000
The rms value of the inverter
current measured in phase L3
VrmsL1L2
30501
V
Float
2
0
3200
The rms voltage measured
between the phases L1 and L2
(L1 and Neutral when
connected in 4 wire mode)
VrmsL2L3
30503
V
Float
2
0
3200
The rms voltage measured
between the phases L2 and L3
(L2 and Neutral when
connected in 4 wire mode)
VrmsL3L1
30505
V
Float
2
0
3200
The rms voltage measured
between the phases L3 and L1
(L3 and Neutral when
connected in 4 wire mode)
Frequency
30519
Hz
Float
2
45
75
Frequency of the supply system
Temperature
Control
30703
°C/°F
Float
2
-50
300
Temperature of the
main controller board
Max Temp.
30705
°C/°F
Float
2
-50
300
Highest temperature observed
on control board amongst
all units connected in parallel
Temperature
IGBT
30707
°C/°F
Float
2
-50
300
Highest temperature observed
on all phases of the IGBT
Max T IGBT
30709
°C/°F
Float
2
-50
300
Highest temperature observed
on IGBT amongst all units
connected in parallel
3.8.4 Logout
Logout will terminate the connection between
the Wi-Fi user interface and your computer or
mobile device. The interface also logs out
automatically upon closing the browser.
3.9 Modbus commands
An external controller (e.g. an Energy
Management System) can be used to operate
the PQstorI remotely, provided that it can
communicate with the PQstorI over Modbus.
Section 4.8 provides guidance on cabling the
