SAJ R6 Series User manual

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R6 series
user manual
ROOFTOP SOLAR INVERTER
Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China.
kW
kWh
GUANGZHOU SANJING ELECTRIC CO.,LTD
V1.0

ROOFTOP SOLAR INVERTER USER MANUAL
kW
kWh

TABLE OF
contents
4. ELECTRICAL CONNECTION----------21
4.1 Safety Instruction -----22
4.2 Specications for Electrical Inteace-----22
4.3 AC Connection-----24
4.4 DC Side Connection-----25
4.5 Communication Connection-----28
5. DEBUGGING INSTRUCTIONS----------29
5.1 Introduction of HMI-----30
5.2.3 Remote Monitoring-----36
1.1 Scope of Application-----02
1.2 Safety-----02
1.2.1 Safety Instruction-----02
1.2.2 Explanations of Symbols-----03
1.2.3 Safety Instructions-----04
2. PRODUCT OVERVIEW ----------05
2.1 Specication for Product Model-----07
2.2 Appearance-----07
2.3 Datasheet-----09
3. INSTALLATION INSTRUCTION----------13
3.1 The Determination of the
Installation Position-----14
3.1.1 Mounting Position-----14
3.2 Mounting Procedure-----16
1. SAFETY PRECAUTIONS ----------01
6. FAULT CODE & Troubleshooting----------37
7. RECYCLING & DISPOSAL----------41
4.3.1 AC Side Electrical Connection-----24
5.2 Monitoring Operation-----31
5.2.1 APP Introduction-----31
5.2.2 Nearby Monitoring-----32

1.1 Scope of
Application
1.2 Safety
1.
SAFETY
precautions
· DANGER indicates a hazardous situation, which, if not avoided, will result in death or serious inju.
· WARNING indicates a hazardous situation, which, if not avoided, can result in death or serious inju or moderate inju.
· CAUTION indicates a hazardous condition, which, if not avoided, can result in minor or moderate inju.
· NOTICE indicates a situation that can result in potential damage, if not avoided.
This User Manual describes instructions and detailed procedures for installing, operating,
maintaining, and troubleshooting of the following SAJ on-grid inveers:
Please keep this manual all time available in case of emergency.
R6-15K-T2-32, R6-17K-T2-32, R6-20K-T2-32, R6-22K-T2-32, R6-25K-T2-32
R6-30K-T3-32, R6-33K-T3-32, R6-36K-T3-32
R6-40K-T4-32, R6-50K-T4-32
DANGER
WARNING
CAUTION
NOTICE
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
1.2.1 Safety
Instructions

1.2.2 Explanations of Symbols 1.2.3 Safety Instructions
Symbol
Dangerous electrical voltage
This device is directly connected to public grid, thus all work to the inveer shall only be
carried out by qualied personnel.
Danger to life due to high electrical voltage!
Notice, danger!
This is directly connected with electricity generators and public grid.
Danger of hot suace
An error has occurred
Please go to Chapter 9 “Troubleshooting” to remedy the error.
This device SHALL NOT be disposed of in residential waste
Please go to Chapter 8 “Recycling and Disposal” for proper treatments.
Without Transformer
This inveer does not use transformer for the isolation function.
CE Mark
CQC Mark
No unauthorized peorations or modications
Description
There might be residual currents in inveer because of large capacitors. Wait 5 minutes
before you remove the front lid.
The components inside the inveer will release a lot of heat during operation. Do not
touch metal plate housing during operating.
With CE mark & the inveer fullls the basic requirements of the Guideline Governing
Low-Voltage and Electro-magnetic Compatibility.
The inveer complies with the safety instructions from China's Quality Center.
Any unauthorized peorations or modications are strictly forbidden, if any defect or
damage (device/person) occurred, SAJ shall not take any responsibility for it.
DANGER
· There is possibility of dying due to electrical shock and high voltage.
· Do not touch the operating component of the inveer; it might result in burning or death.
· To prevent risk of electric shock during installation and maintenance, please make sure that all AC and DC terminals
are plugged out.
· Do not touch the suace of the inveer while the housing is wet, otherwise, it might cause electrical shock.
· Do not stay close to the inveer while there are severe weather conditions including storm, lighting, etc.
· Before opening the housing, the SAJ inveer must be disconnected from the grid and PV generator; you must wait for
at least ve minutes to let the energy storage capacitors completely discharged after disconnecting from power source.
· The installation, seice, recycling and disposal of the inveers must be peormed by qualied personnel only in
compliance with national and local standards and regulations.
· Any unauthorized actions including modication of product functionality of any form may cause lethal hazard to the
operator, third paies, the units or their propey. SAJ is not responsible for the loss and these warranty claims.
· The SAJ inveer must only be operated with PV generator. Do not connect any other source of energy to the SAJ inveer.
· Be sure that the PV generator and inveer are well grounded in order to protect propeies and persons.
WARNING
· The solar inveer will become hot during operation. Please do not touch the heat sink or peripheral suace during or
sholy after operation.
· Risk of damage due to improper modications.
CAUTION
· Public utility only.
· The solar inveer is designed to feed AC power directly to the public utility power grid; do not connect AC output of the
inveer to any private AC equipment.
NOTICE
Risk of e l e c tric shoc k ! O n l y
authorized personnel are allowed
to do disassembly, modication or
maintenance. Any resulting defect
or damage (device/person) is not
coverde by SAJ guaranty.
ATTENTION!
03 04
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL

Figure 2.1
System oveiew
2.
PRODUCT
oveiew
R6 series
R6 Series Solar Inverter
PV Array
On-grid Load
AC Distribution Box Grid
Wi-Fi/ 4G/ Ethernet
05 06
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
R6-XK-TX-32 products are grid-tied three phase inveers without transformers, and the
inveers are impoant components of grid-tied solar power systems.
The R6 inveer conves the DC generated by solar panels into AC which is in accordance
with the requirements of public grid and send the AC into the grid, Figure 2.1 shows the
structural diagram of the typical application system.
APP
WebeSolar Poal

2.2 Appearance
2.1 Specication
for Product Model
Figure 2.2
Dimensions of
R6-15K/17K/20K/22K/25K-T2-32
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
① R6 represents for product name.
② XK represents rated power XkW of inveer, for example 4K means 4kW.
③ T means three phase; X represents the inveer has the function of X MPP trackers.
④ 32 means that max. DC input current of per MPP tracker is 32A
R6 – XK – TX – 32
① ② ③ ④
kW
kWh
558.0 mm
410.5 mm
234.5mm
Figure 2.3
Dimensions of
R6-30K/33K/36K-T3-32
Figure 2.4
Dimensions of
R6-40K/50K-T4-32
kW
kWh
659.4 mm
473.0 mm
240.0 mm
kW
kWh
659.4 mm
473.0 mm
240.0 mm

2.3 Datasheet
R6-15K-T2-32 R6-17K-T2-32 R6-22K-T2-32 R6-25K-T2-32
1100
180-1000
600
200
32/32
2
2/2
3L+N+PE, 220/380, 230/400, 240/415; 180-280/312-485
50, 60/44-55, 54-65
< 3%
0.8 leading～0.8 lagging
3/3
98.8%
98.5%
Integrated
Integrated
Integrated
Integrated
Integrated
Integrated
Type III
Type III
22500 25500 33000 37500
15000
16500
21.7
25.0
Model
Input (DC)
Max. PV Array Power [Wp]@STC
Max. Input Voltage [V]
MPP Voltage Range [V]
Nominal Input Voltage [V]
Start-up Voltage [V]
Max. Input Current [A]
Number of MPP Trackers
Number of Strings per MPP Tracker
Output (AC)
Rated AC Output Power [W]
Max. AC Output Power [VA] *1
Rated AC Output Current [A]@230Vac
Max. AC Output Current [A]
Nominal AC Voltage/ Range [V]
Nominal AC Grid Frequency/ Range [Hz]
Total Distortion Harmonic [THDi]
Power Factor
Feed-in Phases/AC Connection Phases
Efficiency
Max. Efficiency
Euro Efficiency
Protection
DCI Monitoring
GFCI Monitoring
Grid Monitoring
AC Grounding Detection
AC Short-Circuit Protection
DC Insulation Resistance Detection
DC Surge Protection
AC Surge Protection
R6-15K/17K/20K/22K/25K-T2-32
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
17000
18700
24.6
28.4
22000
24200
31.9
36.7
25000
27500
36.2
41.7
20000
22000
29
33.4
R6-20K-T2-32
30000
Model
Anti-islanding Protection
AFCI Protection
Interface
AC Connection
DC Connection
Display
Communication Port
Communication Mode
Load Monitoring
General Data
Topology
Nighttime Power Consumption [W]
Operating Temperature Range
Cooling Method
Ambient Humidity
Max. Operating Altitude [m]
Noise [dBA]
Ingress Protection
Mounting
Dimensions [H*W*D] [mm]
Weight [kg]
Warranty [Year]
Certifications IEC/EN62109-1/2, EN61000-6-1/2/3/4, IEC61683, IEC60068-2, IEC62116, IEC61727,
PEA/MEA, VDE0126-1-1/A1, CEI 0-21, VDE-AR-N 4105, AS/NZS4777.2, CQC NB/T 32004,
G98/G99, NBR 16149, NBR 16150, C10/11, RD1669, UNE206006, UNE206007, EN50438
R6-15K-T2-32 R6-17K-T2-32 R6-22K-T2-32 R6-25K-T2-32R6-20K-T2-32
AFD
Optional
Terminal Block
MC4
LED+APP (Bluetooth）
RS232+RS485 (RJ45)+DRM(RJ45)
Wi-Fi/Ethernet//4G
24/7 (Optional)
Transformerless
<0.6
-40℃～+60℃
intelligent fan Cooling
0%～100% non-condensing
4000m (>3000m power derating)
<50
IP65
Rear Panel
558*410.5*234.5
23.5
5 (Standard)/10/15/20/25 (Optional)

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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
R6-30K-T3-32 R6-33K-T3-32 R6-40K-T4-32 R6-50K-T4-32
1100
180-1000
600
200
3L+N+PE, 220/380, 230/400, 240/415; 180-280/312-485
50, 60/44-55, 54-65
< 3%
0.8 leading～0.8 lagging
3/3
98.8%
98.5%
Integrated
Integrated
Integrated
Integrated
Integrated
Integrated
Type II
Type III
45000 49500 60000 75000
30000
33000
43.5
50
Model
Input (DC)
Max. PV Array Power [Wp]@STC
Max. Input Voltage [V]
MPP Voltage Range [V]
Nominal Input Voltage [V]
Start-up Voltage [V]
Max. Input Current [A]
Number of MPP Trackers
Number of Strings per MPP Tracker
Output (AC)
Rated AC Output Power [W]
Max. AC Output Power [VA] *1
Rated AC Output Current [A]@230Vac
Max. AC Output Current [A]
Nominal AC Voltage/ Range [V]
Nominal AC Grid Frequency/ Range [Hz]
Total Distortion Harmonic [THDi]
Power Factor
Feed-in Phases/AC Connection Phases
Efficiency
Max. Efficiency
Euro Efficiency
Protection
DCI Monitoring
GFCI Monitoring
Grid Monitoring
AC Grounding Detection
AC Short-Circuit Protection
DC Insulation Resistance Detection
DC Surge Protection
AC Surge Protection
R6-30K/33K/36K-T3-32, R6-40K/50K-T4-32
33000
36300
47.8
55
40000
44000
58
66.7
50000
50000
72.5
75.8
36000
39600
52.2
60
R6-36K-T3-32
54000
32/32/32
3
2/2/2
32/32/32/32
4
2/2/2/2
Model
Anti-islanding Protection
AFCI Protection
Interface
AC Connection
DC Connection
Display
Communication Port
Communication Mode
Load Monitoring
General Data
Topology
Nighttime Power Consumption [W]
Operating Temperature Range
Cooling Method
Ambient Humidity
Max. Operating Altitude [m]
Noise [dBA]
Ingress Protection
Mounting
Dimensions [H*W*D] [mm]
Weight [kg]
Warranty [Year]
Certifications IEC/EN62109-1/2, EN61000-6-1/2/3/4, IEC61683, IEC60068-2, IEC62116, IEC61727,
PEA/MEA, VDE0126-1-1/A1, CEI 0-21, VDE-AR-N 4105, AS/NZS4777.2, CQC NB/T 32004,
G98/G99, NBR 16149, NBR 16150, C10/11, RD1669, UNE206006, UNE206007, EN50438
AFD
Optional
Terminal Block
MC4
LED+APP (Bluetooth）
RS232+RS485 (RJ45)+DRM(RJ45)
Wi-Fi/Ethernet//4G
24/7 (Optional)
Transformerless
<0.6
-40℃～+60℃
intelligent fan Cooling
0%～100% non-condensing
4000m (>3000m power derating)
<50
IP65
Rear Panel
659.4*473*240
5 (Standard)/10/15/20/25 (Optional)
R6-30K-T3-32 R6-33K-T3-32 R6-40K-T4-32 R6-50K-T4-32R6-36K-T3-32
34.5 35.5 36

3.
INSTALLATION
instruction
DANGER
NOTICE
· Dangerous to life due to potential re or electricity shock.
· Do not install the inveer near any inammable or explosive items.
· This inveer will be directly connected with HIGH VOLTAGE power generation device; the installation must be peor
med by qualied personnel only in compliance with national and local standards and regulations.
· This equipment meets the pollution degree II.
· Inappropriate or the harmonized installation environment may jeopardize the life span of the inveer.
· Installation directly exposed under intensive sunlight is not recommended.
· The installation site must be well ventilated.
3.1 The Determination
of the Installation
Position
The equipment employs natural convection cooling, and it can be installed indoor or outdoor.
(1) Do not expose the inveer to direct solar irradiation as this could cause power derating due
to overheating.
Figure 3.1
Mounting Method
Max 15
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
3.11 Mounting Position

(2) Mount veically or tilted backwards by max. 15°. Never install the inveer tilted forwards,
sideways, horizontally or upside down.
(3) Install the inveer at eye level for convenience when checking the LCD display and
possible maintenance activities.
(4) When mounting the inveer, please consider the solidness of wall for inveer, including
accessories. Please ensure the Rear Panel mount tightly.
To make sure the installation spot is suitably ventilated, if multiple SAJ on-grid solar inveers
are installed same area.
50CM
Figure 3.2
Minimum Clearance
50CM30CM
50CM50CM
3.2
Mounting
Procedure
(1) Mark the Positions of the Drill Holes of the Rear Panel
The mounting position should be marked as shown in Figure 3.3& Figure 3.4.
Figure 3.3
Dimensions of rear panel of
R6-15K/17K/20K/22K/25K-T2-32
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
kW
kWh
110 110 110
20
380
270
74
57
R3
20
4-Φ8
Unit: mm
Figure 3.4
Dimensions of rear panel of
R6-25K/30K/33K-T3-32, R6-36K/40K-T4-32
16
8
477
575.00
210 265

(3) Secure the Screws and the Rear Panel
The panels should be secured onto the mounting position by screws as shown in Figure 3.7.
Figure 3.7
Mount the rear panel
1817
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
(2) Drill Holes and Place the Expansion Tubes
Drill 4 holes in the wall (in conformity with position marked in Figure 3.5 & Figure 3.6), and
then place expansion tubes in the holes using a rubber mallet.
Figure 3.5
Drill holes’󶀅dimensions of
R6-15K/17K/20K/22K/25K-T2-32
4-Φ8
110 110 110
4-Φ8 110 110 110
185
Figure 3.6
Drill holes’󶀅dimensions of
R6-30K/33K/36K-T3-32, R6-40K/50K-T4-32
4-Φ8
477
210
Unit: mm

19
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
(4) Mount the Inveer
Carefully mount the inveer to the rear panel as shown in Figure 3.8 and 3.9, Make sure that
the rear pa of the equipment is closely mounted to the rear panel.
Figure 3.8
Mount inveer
Figure 3.9
Fasten the inveer and
hanging panel with screws
kW
kWh
20

4.
ELECTRICAL
NOTICE
4.1
Safety Instruction
connection
4.2
Specications for
Electrical Inteace
Figure 4.1
Electrical inteace of
R6-15K/17K/20K/22K/25K-T2-32
· Dangerous to life due to potential re or electricity shock.
· When power-on, the equipment should in conformity with national rules and regulations.
· The direct connection between the inveer and high voltage power systems must be operated by qualied
technicians in accordance with local and national power grid standards and regulations.
· The PV arrays will produce lethal high voltage when exposed to sunlight.
Electrical connection must only be operated on by professional technicians. Please keep in
mind that the inveer is a bi-power supply equipment. Before connection, necessa
protective equipment must be employed by technicians including insulating gloves, insulating
shoes and safety helmet.
DANGER
· Electrical connection should in conformity with proper stipulations, such as stipulations for cross-sectional area of
conductors, fuse and ground protection.
· The oveoltage catego on DC input po is 󶀅, on AC output po is 󶀅.
2221
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
ACD FE G B

23
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
Figure 4.2
Electrical inteace of
R6-30K/33K/36K-T3-32
Table 4.1
Specications for inteace
Code
A
B
C
D
E
F
G
Name
DC Switch
Decompression Valves
DC Input
RS232 Communication (GPRS/ Wi-Fi /4G)
Ground Connection
RS485 Communication+DRM
Terminal Block
A C B D E F G
Figure 4.3
Electrical inteace of
R6-40K/50K-T4-32
A C B D E F G
4.3
AC Connection
Type Cross-sectional area of cables（mm²）
10.0-16.0
16.0-35.0
16.0-35.0
Table 4.2
Recommended power grid connecting
cable specication
If the grid-connection distance is too far, please select AC cable with larger diameter as per
the actual condition.
Scope Recommended value
16.0
25.0
25.0
R6-15K/17K/20K/22K/25K-T2-32
R6-30K/33K/36K-T3-32
R6-40K/50K-T4-32
(1)Ground of the inveer. After penetrating the external hex head screw through OT
terminal of the grounding line, screw in the grounding po of enclosure of the inveer in
clockwise direction and make sure it’s screwed up tightly.
Figure 4.4
Inveer ground protection
4.3.1 AC Side
Electrical Connection
24

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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
(2) Screw o the screws at the AC output wire cover and take out the cover.
Penetrate the AC cable of which the insulation layers has been peeled o through the AC
waterproof locking screw hole of the cover. Lock L1 wire, L2 wire, L3 wire, N wire and PE
wire tightly as per the marked connection positions
on the inteace board.
Figure 4.5
Connect cable
(3) After xing the cover at the AC output wire terminal with screws, tighten up the AC
waterproof nut.
4.4
DC Side Connection
Cross-sectional area of cables（mm²）
Outside diameter of the cables（mm）
Recommended value
4.0
Scope
4.0~6.0
Table 4.3
Recommended specications of DC cables 4.2~5.3
Figure 4.7
Connecting Cables
DC connector is made up of one positive connector and one negative connector
Figure 4.6
Positive and negative connectors
NOTICE
· Please place the connector separately after unpacking in order to avoid confusion for connection of cables.
· Please connect the positive connector to the positive side of the solar panels, and connect the negative connector
to the negative side of the solar side. Be sure to connect them in right position.
Connecting Procedures:
(1) Use specied strip tool to strip the insulated enclosure of the positive and negative cables
with appropriate length (8-10mm).
positive connector
negative connector
8-10mm positive cable
8-10mm negative cable

Figure 4.8
Connect the Inveer
(2) Feed the positive and negative cables into corresponding lock screws and crimp them
tightly with a wire crimper. Make sure that the withdrawal force of the pressed cable is
larger than 400N.
(3) Plug in the pressed positive and negative cables into relevant insulated enclosure, a
“click” sound should be heard when the contact cable assembly is seated correctly.
(4) Fasten the lock screws on positive and negative connectors into corresponding
insulated enclosure and make them tight.
(5) Connect the positive and negative connectors into positive and negative DC input
terminals of the inveer, a “click” sound should be heard when the contact cable assembly
is seated correctly.
NOTICE
· Before inse the connector into DC input terminal of the inveer, please make sure that the DC switch of the
inveer is OFF.
· Please use the original terminal to install.
1. Connection Po
27
1
1
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
R6 inveer is standardly equipped with a RS485 inteace and a RS232 inteace.
Figure 4.9
RS485 pin
4.5
Communication
Connection 1 2 3 4 5 6 7 8
Table 4.4
RS485 pin po denition
Pin Number
1
2
3
4
5
6
7
8
Description
NC
GND_W
+7V_W
NC
NC
NC
RS485-A
RS485-B
Eect
Ground wire
Power supply
Transmission RS485 dierential signal
Figure 4.10
RS232 pin
1 2 3 4
Table 4.5
USB pin po denition
Pin Number
1
2
3
4
Description
+7V
RS-232 TX
RS-232 RX
GND
Eect
Power supply
Send data
Receive data
Ground wire
(1) USB inteace could be externally connected with eSolar AIO3 module, for operation in
details please refer to eSolar AIO3 module Quick Installation Guide in www.saj-electric.com
(2) USB inteace could be externally connected with eSolar 4G module, for operation in
details please refer to eSolar 4G module Quick Installation Guide in www.saj-electric.com
(3) USB inteace could be externally connected with eSolar WiFi module, for operation in
details please refer to eSolar WiFi module Quick Installation Guide in www.saj-electric.com
28

5.
DEBUGGING
instructions
Introduction of HMI
(Human-Machine Inteace)
Figure 5.1
Human-Machine Inteace
3029
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
5.1

Talbe 5.1
Inteace description
Status
Solid Green
Breathing Mode
Solid Red
Breathing Mode
OFF
Description
Display
3231
ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
The inveer is in normal on-grid state
The inveer is in the initialization or waiting state
An error occurs
Software is upgrading in the inveer
Power o
Current power (kW) / Error code
Total yield (kWh)
LED Panel 1
LED Panel 2
Ring Light
5.2
Monitoring
Operation
● R6 series products could be monitored through eSolar APP.
● This equipment is standardly equipped with a USB inteace which could transfer
AIO3/4G module (with built-in Bluetooth) and Wi-Fi module to monitor running state of the
equipment.
eSolar could achieve communication with the equipment via Bluetooth, Cellular network and
Wi-Fi and it is an APP for nearby and remote monitoring.
Download APP
Installers using iOS system could search for “eSolar O&M” in App Store and download this App.
Installers using Android system could search for “eSolar O&M” in Google play and download
this App.
For iOS / Android system, Installers could visit SAJ ocial website: www.saj-electric.cn and
scan the QR code to download “eSolar O&M” APP.
Account---Please use the installer account to login.
Note: For the end user, please download and install the “eSolar Air” APP and log in to the APP
or SAJ ocial website to register your account.
5.2.1
APP Introduction
After installing the eSolar AIO3/4G/WiFi module (with built-in Bluetooh) the mobile phone
could be directly connected with the inveer via Bluetooth.
5.2.2
Nearby Monitoring Bluetooth connection
Connection setting
Step 1
Log in eSolar O&M APP. Choose “User” inteace
→ choose “Remote control”.
Step 2 Step 3
Choose connection way as
“Bluetooth” → choose “next step”.
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ROOFTOP SOLAR INVERTER INSTRUCTION MANUAL
Step 5
Select the conguration
method of the module
network connection.
Step 6
Connect successfully → set count
and grid code for rst sta-up →
after inveer sta, users can view
inveer’s information.
Step 4
Search for equipment →
click the Bluetooth name
matched with the inveer.
Connection way, running state, basic information, running information, Power information
and events information of the communication of the inveer could be checked.
Equipment information
Step 1: Click “Basic info”
Inveer model, Module SN code, Module rmware
version, Communication board rmware version,
Main board rmware version, Slave board
rmware version could be checked.
Step 2: Click “Running info”
PV information (voltage and current at PV
terminal), Grid power information (voltage, current
and frequency at AC terminal), etc.