Pylon Technologies LV-Hub Series User manual

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Communication HUB
LV-HUB Product Manual
Information Version: 2.1
Pylon Technologies Co., Ltd.
No. 73, Lane 887, ZuChongzhi Road, Zhangjiang Hi-Tech Park
Pudong, Shanghai 201203, China Zip Code: 201203
Tel: [phone]
Fax: [phone]
Email: [e-mail]
Website: http://www.pylontech.com.cn

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This manual introduces LV-Hub from Pylontech. LV-Hub is a communication hub for US2000/US3000
Lithium-Ion Phosphate Battery storage system. Please read this manual before you install the
battery and follow the instruction carefully during the installation process.
CONTENT
1. INTRODUCTION .................................................................................................................................. 3
2. LV-HUB-A ............................................................................................................................................ 3
2.1 PORTS: .............................................................................................................................................. 4
2.2 DEFINITION OF RJ45 PORT PIN ......................................................................................................... 5
2.3 LED INDICATORS INSTRUCTIONS...................................................................................................... 5
3. OPERATION ........................................................................................................................................ 6
3.1 PROTOCOL....................................................................................................................................... 6
3.2 CABLES CONNECTION..................................................................................................................... 6
3.2.1 CABLES CONNECTION FOR RS485 ............................................................................................... 6
3.2.2 CABLES CONNECTION FOR CAN (SINGLE HUB) .......................................................................... 7
3.2.3 CABLES CONNECTION FOR CAN (MULTI HUB) ............................................................................ 8
ANNEX 1: CABLES CONNECTION FOR RS485 ....................................................................................... 9
ANNEX 2: CABLES CONNECTION FOR CAN ....................................................................................... 10
ANNEX 3: CABLES CONNECTION FOR CAN (MULTI HUB)................................................................... 11

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1. Introduction
LV-Hub is the CAN/RS485 communication hub for multiple 48V battery groups in parallel
connection.
Fit Description: US2000 / US3000 / Phantom-SA / US1800.
2. LV-Hub-A
No.
Item
Parameter
1
Operating voltage range
48 Vdc
2
Communication
interface
CAN/RS485
3
System Consumption
2W
4
Size
442*150*44mm
5
Protection degree
IP20
6
Weight
3.0kg
7
Operation Life
15 years
8
Working temperature
-20~60℃
9
Storage temperature
-40~80℃
10
CAN (Max 25 groups)
Baud rate: 500K; terminal resistance: 0/120Ω
11
RS485 (Max 5 groups)
Baud rate:9600/115200

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2.1 Ports:
No.
Part
Silk-screen
Function
1
Dry signal
Function reserve
2
Reset Switch
Button
RESET
Press 2 seconds and then system will
restart.
3
Dip switch
1 - 6
Dip 6:
Up：CAN OUT terminal resistance 120Ω
Down：0Ω
4
RJ45
CAN OUT
CAN output port (only upper port is for
using)；
5
RJ45
RS232
Debug
6
RJ45
CAN IN
Connect to port 0(only for CAN
communication);
7
LED
STATUS
Please see 2.3.
8
LED
NUMBER/BIN 1-4
Shows linked in battery group quantity with
binary code. Please see 2.3.
9~16
RJ45
0; 1; 2; 3; 4; 5; 6; 7.
Only uses 0~5. Please see 3.2.
17
Switch
ON/OFF
Turns the LV-HUB ON/OFF.
18
48VDC input
48V DC
Power supply: take 48VDC power from
outside (from AC/DC adaptor).

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2.2 Definition of RJ45 Port Pin
No.
CAN OUT
RS485
RS232 Pin
1
---
---
---
2
GND
---
---
3
---
---
TX
4
CANH
---
---
5
CANL
---
---
6
---
GND
RX
7
---
RS485A
---
8
---
RS485B
GND
2.3 LED Indicators Instructions
Status
●
Only the HUB is turned ON, it lights once.
●
No battery connected or at least one group is off line.
When battery group is reduced it will alarm (in red), but
when battery group is added in it will no alarm.
1
2
3
4
Green flash; connected battery groups number
●
1 group
●
2 groups
●
●
3 groups
●
4 groups
●
●
5 groups
●
●
6 groups
●
●
●
7 groups

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3. Operation
3.1 Protocol
CAN: CAN-Bus-protocol-PYLON-low-voltage-V1.2-20180408 or above.
RS485: RS485-protocol-pylon-low-voltage-V3.1-20180408 or above.
3.2 Cables Connection
3.2.1 Cables Connection for RS485
⚫Each battery group can configure maximum 8pcs US2000B Plus or 8pcs US3000.
⚫LV-Hub-A configures maximum 5 group batteries.
⚫RS485 communication needn’t additional cable and power just a simple hub is enough.

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⚫When each battery group’s current is >120A, this battery group must configure 2 pair
external power cables like the diagram.
⚫The details of ADD Switch setting also can see the menu of battery.
3.2.2 Cables Connection for CAN (single HUB)
⚫Each battery group can configure maximum 8pcs US2000B Plus or 8pcs US3000.
⚫LV-Hub-A configures maximum 5 group batteries.
⚫When each battery group’s current is >120A, this battery group must configure 2 pair
external power cables like the diagram.
⚫The details of ADD Switch setting also can see the menu of battery.

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3.2.3 Cables Connection for CAN (multi HUB)

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Annex 1: Cables Connection for RS485

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Annex 2: Cables Connection for CAN

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Annex 3: Cables Connection for CAN (multi HUB)

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Pylon Technologies Co., Ltd.
No. 73, Lane 887, ZuChongzhi Road, Zhangjiang Hi-Tech Park
Pudong, Shanghai 201203, China
T [phone] | F+86-21-51317698
E [email protected]om.cn
W www.pylontech.com.cn