SAJ eSolar RS485 User manual

PDC Bo
eSolar RS485 Kit
Installation Manual
www.saj-electric.com

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Content
1 INTRODUCTION.....................................................................- 2 -
1.1 PRODUCT INTRODUCTION.......................................................................- 2 -
1.2 SYSTEM DIAGRAM................................................................................. - 3 -
2 INSTALLATION INSTRUCTION........................................... - 4 -
2.1 PRE-INSTALLATION CHECK....................................................................- 4 -
2.2 INSTALLATION INSTRUCTIONS................................................................- 4 -
3 DEBUGGING & COMMISSIONING......................................- 9 -
3.1 CONNECT ESOLAR WIFI-LR/ESOLAR WIFI-485 WITH THE ROUTER...... - 9 -
3.2 EXPORT LIMITATION FUNCTION...........................................................- 13 -
4 CHECK INFORMATION.......................................................- 16 -
4.1 ESOLAR WIFI-RS485 INFORMATION CHECK....................................... - 16 -
4.2 ESOLAR METERS-RS 485 INFORMATION.............................................- 16 -
4.3 APP INFORMATION...............................................................................- 16 -
ANNEX IESOLAR RS485 KIT DATASHEET........................................... - 18 -

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1 Introduction
1.1 Product Introduction
Installation and configuration instructions about eSolar RS485 Kit will be
introduced in this installation Manual.
eSolar-RS485 Kit include eSolar WiFi-485 and eSolar MeterS-485.
SAJ Sununo Plus inverters could be matched with this set of device to realize
power limit control function.

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1.2 System Diagram
Figure 1-1 Diagram with eSolar RS485 Kit

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2 Installation Instruction
2.1 Pre-Installation Check
2.1.1 Package Checking
Though the products passed the factory severe test and checking before delivery
from the factory, damage may happen during delivery process. When the goods
arrived, before signing for acceptance, please check the package to see if there’s
any damage or deformed to the package box. If the packaging is
damaged/deformed, please don’t open the package but contact with the
distributors/SAJ as soon as possible.
2.1.2 Accessories Checking
Accessory items and quantity information can be found through the sticker on the
packing box. Please check and contact distributors/SAJ if there is any accessory
missing.
2.2 Installation Instructions
The installation manual is with installation instructions to eSolar RS485 Kit
2.2.1 Installation Steps
Installation instructions to eSolar RS485 Kit
Step 1: eSolar WiFi-485 Installation Instructions
①Material Preparement:Users shall prepare a cable (cable diameter suggested:
φ5.0mm~φ7.0mm) and bring all the accessories that prepared by SAJ;

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②Lead the cable through the sheath and connect the cable with eSolar WiFi-485;
③Screw up the sheath in clockwise direction.
Figure 2-1
Figure 2-2 RS485 Pin to eSolar WiFi-485
Pin Number
Description
7
RS485+
8
RS485-

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④Install Module
Remove the RS232 interface protective cover under the inverter → insert the
module into RS232 interface and screw up with M4 screws.
Figure 2-3
Step 2: eSolar MeterS-485 Installation Instructions
①Power Lines Connection
Connect Live wire to terminal “L” of the eSolar MeterS-485 and connect Neutral
wire to terminal “N” of the eSolar MeterS-485.
②CT Connection
Connect S1 (red wire) of CT to the CT+ terminal of the eSolar MeterS-485 and
connect the black wire to the CT- terminal of the eSolar MeterS-485.
③Connect to eSolar WiFi-485 Module
Connect the terminal of“RS485+”eSolarWiFi-485 to the A terminal of the Meter,
connect the terminal of “RS485-” to the B terminal of the Meter.

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Figure 2-4
④Fixing eSolar MeterS-485(DIN 35mm mounting)
There are buckles at the bottom of the meter. Buckle it on to proper grooves for
tighten.
⑤CT Installation
CT can be opened. Push the buckle by the side to open the CT. Penetrate the live
wire of the power grid through portal of terminal P1. Tighten up the CT buckle.
(Note: The arrow direction show in the CT should point to the load.)

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Figure 2-5
⑥Power On
Power on the eSolar MeterS-485 and it will start operation. (If meter failed to
communicate with module, it will display “off line” in the meter screen ；if
succeeded, “on line” will be displayed.)
Note:
1.There are 11 terminals on the eSolar MeterS-485 in total while actually only 6
will be used, as shown in Figure 2-4.
2.eSolar MeterS-485 and CT are not waterproof or dust-proof, it is recommended
to install inside a distribution box.
L
N
PE
P1

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3 Debugging & Commissioning
3.1 Connect eSolar WiFi-LR/eSolar WiFi-485 with the router
3.1.1 APP Configuration
①Download eSolar APP and register account
Web to eSolar website https://fop.saj-electric.com to scan the QR code and
download “eSolar O&M” APP (or download it from Google Play or App Store by
searching “eSolar O&M”) and register an account.
②Log in APP→ Select item “My” → select item “Remote control” → select
item “WiFi” → select item “Next step” as shown in .
③Select item “Go to WLAN setting interface for setting”→switch to the mobile
phone WLAN setting interface→Select module WiFi (E.g.: DTU:XXXXX) and
then switch back to APP → select item “Next step”.
Figure 3-1 Figure 3-2

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④Configure the router : select a valid router from the router list (E.g.: SAJ) as
shown in Figure 3-3 → Fill in “password” of the router → turn on “DHCP”
(default: open) → “save” the settings as shown in Figure 3-4. → “Connected”
successfully.
Figure 3-3 Figure 3-4
⑤After connecting the WiFi module to the Internet, data of the inverter will be
uploaded to the server. Users can log into eSolar website or APP monitor to
monitor inverters remotely.
3.1.2 Web Page Configuration
①Connect WiFi module hot spot (eg.:DTU:XXXXX )

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Figure 3-5
②Web to http://10.10.176.1 (Account: admin, Password: admin ) to set over
webpage.
Note: Language can be set by clicking “LANGUAGE”in the top right corner.
Figure 3-6
Figure 3-6
③After login to the WiFi web server page, Click “WIZARD” → Click “1. Scan”
→select one valid Wifi (E.g. Wifi: SAJ_Phone) → Enter the password for the Wifi
(I.e #p101017@saj) and click “3.Next”→ Choose “DHCP” and click “Join”
→Connected. After connected, the WiFi module will reconfigure the wireless
network.

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Figure 3-7
Figure 3-8
Figure 3-9

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④The data of inverter will be uploaded to the server after WiFi connecting with
Network . Users can monitor the inverter remotely through eSolar website or APP.
3.2 Export Limitation Function
3.2.1 Inverter Configuration
Inverter LCD Display is as below:
Figure 3-10
Note:
①Export limitation function is off by default.
②Select “1” to turn on the Export limitation. Select “0” to turn off the
function.

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③Press “▲” / “▼”to change the value of “P-Limit”, after a certain value
settled, press “ENT”to move the cursor point to the last number, press
“ENT”again then the settings complete.
E.g.: When Sununo Plus 1K is used, if set the“P-Limit” valueinto 1000W,
the Max. power fed into the grid is 1000W.
3.2.2 APP Configuration
①Login APP and connect the module WiFi.
②Enter “Remote control” interface to select “Mode setting” → turn on the
“Export limitation” (it is off by default) as showed in Figure 3-12.
Figure 3-11 Figure 3-12 Figure 3-13

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Note：
1. Export limitation refers to the system’s adjustment and controls based on the
power fed into the grid;
Power adjustment refers to limit the inverter maximum output power.
Export limitation function and power adjustment function can’t be open at the
same time.
After the export limitation function is set, the inverter needs to be restarted so
the function become effect.
2. When the Export limitation function is open, Power adjustment to the inverter
can’t be set.
3. Please restart the inverter if choose to open the 0-export function.
4. If the inverter is set with power adjustment function first and then users want to
start the export limitation function, he need to set the power limitation value
back to the maximum output power of the inverter to cancel the power limit.
E.g. The maximum power limit for Sununo Plus 1K is 110%.
Figure 3-14 Figure 3-15

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4 Check Information
4.1 eSolar WiFi-RS485 Information Check
Indicator lamp
LED lamp state
Description
Red
Flicker once
When it’s just power-on
Flicker once
When interaction with APP data
Green
Flicker 0.5s/once
When Router is not configured
Flicker 1s/once
When data is normally uploaded on the server
Always on
When data hasn’t been uploaded on the server
4.2 eSolar MeterS-RS 485 Information
4.21 Display Screen
Information such as voltage, current, frequency, power and connection details with
WiFi module could be shown on the display screen directly.
4.22 Indicator Lamp
LED lamp state
Description
RUN
the system runs the indicator lamp
Flicker 1s/once
Normal operation when power-on
Flicker 0.3S/once
With data communication
PULSE
electric energy pulse indicator lamp
Flicker once
When 1/3200 KWH power tested
4.3 APP Information
Login APP → connect module WiFi → enter “remote control” interface to
select “device information”
You can view basic information, running information, power information, and
event information.

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Figure 4-1

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Annex I eSolar RS485 Kit Datasheet

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*The product updates continuously and no additional notification would be made if
there is any change in parameters.