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