background image

        (Historical data including: the current day's min. battery voltage, the current day's max. battery 
voltage, the current day's max. charging current, the current day's max. discharging current, the current 
day's max. charging power, the current day's max. discharging power, the current day's charging amp-
hrs, the current day's discharging amp-hrs, the current day's total power generation and the current 
day's total power consumption) 

HISTORY

0000 AGO

BtLV

 :

BtHV

11

.

6V

11

.

5V

Historical data icon

Historical data of day xxxx (counting backwards)

The current day's min. battery voltage is 11.5V

The current day's max. battery voltage is 11.6V

Menu level

Page

Displayed item/ 
parameter

Description

<

History Data>

xxxx Days Ago

1

MinBatVol: 11.5V

MaxBatVol: 11.6V

MaxChgVol : 0A

MaxLodVol:

0A

2

MaxChgPow: 0W

MaxLodPow: 0W

C-D-Chg

0AH

C-D-Lod

0AH

3

E-D-Chg

0kWh

E-D-Lod

0kWh

1

Xxxx

select the historical data of day xxxx 

(counting backwards)

0000: the current day

0001: yesterday

0002: the day before yesterday

The selected day's min. battery voltage

The selected day's max. battery voltage

The selected day's max. charging current

The selected day's max. discharging current

The selected day's max. charging power

The selected day's max. discharging power

The selected day's total charging amp-hrs

The selected day's total discharging amp-hrs

The selected day's total power generation

The selected day's total power consumption

2st-level 
menu

3st-level 
menu

LOAD

OFF

<Mode>

Manual

Including total charging amp-hrs, total discharging amp-hrs, total power consumption, numbers of 
operating days, over-discharges and full-charges 

ANALYSI

TOTAL

DAYS:  9
LVDC :

5

Number of operating days: 9

Number of over-discharges:5

Statistics icon 

Load mode setting icon

Load state

Load mode

1). If the characters displayed on top of "<Mode>" are "ON", it indicates that the load is switched on, and 
"OFF" indicates the load is switched off.
2

. Tap "     " to enter into the load setting mode, and right below the "<Mode>", the mode characters or 

digits will begin to flash. Use "     ,      " to select any one from the load modes listed in the following table, 
and tap "      " again to complete the load mode setting.
3). Press and hold "     " in any menu but not the setting mode: if the current load mode is "manual mode", 
pressing and holding the key will switch on/ off the load; if the current load mode is not "manual mode", 
pressing and holding the key will cause the display to skip to the load mode setting interface and a 
reminder will pop up telling the user in this mode, pressing and holding the key will not switch on/ off the 
load.
4). Note: this parameter is ineffective for controllers without loads.

Load mode

Mode 

characters

Description

Sole light 
control mode

Light

+

On

Light control 
+ time 
control mode
1 to 14H

Light

+

01H

...

Light

+

14 H

Manual 
mode

Manual

Debugging 
mode

Debug

Normal on 
mode

Normal On

The solar panel voltage is lower than the light control on voltage, and after a 
preset time delay , the controller will switch on the load;
The solar panel voltage is higher than the light control off voltage, and after 
a preset time delay , the controller will switch off the load.

The solar panel voltage is lower than the light control on voltage, and after a 
time delay, the controller will switch on the load. From this point on, the load 
will work for a preset period of time (1 to 14 hours) before being switched off.

In this mode, whether it's day or night, users can press and hold the "OK" 
key to switch on or off the load; this mode is often used in some special 
occasions or during commissioning.

As long as the solar panel voltage is lower than the light control on voltage, 
the controller will immediately switch on the load;
As soon as the solar panel voltage gets higher than the light control off 
voltage, the controller will immediately switch off the load.
This mode is usually used during system installation and commissioning.

This mode is suitable for applications requiring 24-hour operation, and after 
being switched on, the load keeps outputting in this mode.

Description

Menu level

Page

Displayed item/ parameter

2

LVD

-

Count

0

FUL

-

Count

0

2nd-level 

menus

1

C

-

chg

0AH

C

-

lod

0AH

E

-

chg

0KWH

E

-

lod

0KWH

Rundays

10D

Total charging amp-hrs

Total discharging amp-hrs
Total power generation

Total power consumption
Total number of operating days
Total number of over-discharges
Total number of full-charges

3.3.8 Load Mode

3.3.9 Statistic Data

3.3.10 Historical Data of the Current Day

15

16

Содержание ML4860N15

Страница 1: ...er User Manual Model Battery voltage Max solar panel voltage Max input power Charging current Discharging current ML4860N15 12V 24V 36V 48V 150V 25 C 145V 25 C 800W 12V 1600W 24V 2400W 36V 3200W 48V 60A 20A Specification version number V1 02 If there is any change without notice Code 103757 ...

Страница 2: ...cause damage Tips means advice or instruction for the operator Table of Contents 1 Product Introduction 1 1 Product Overview 1 2 Product Features 1 3 Exterior and Interfaces 1 4 Introduction to Maximum Power Point Tracking Technology 1 5 Charging Stages Introduction 2 Product Installation 2 1 Installation Precautions 2 2 Wiring Specifications 2 3 Installation and Wiring 3 Product Operation and Dis...

Страница 3: ...istorical data storage function is available and data can be stored for up to a year The controller is equipped with an LCD screen with which users can not only check device operating data and statuses but also modify controller parameters The controller supports standard Modebus protocol fulfilling the communication needs of various occasions All communications are electrically isolated so users ...

Страница 4: ...f the charging stages MPPT can t be used alone but has to be used together with boost charging floating charging equalizing charging etc to complete charging the battery A complete charging process includes fast charging sustaining charging and floating charging The charging curve is as shown below a Fast charging At the fast charging stage as the battery voltage has not reached the set value of f...

Страница 5: ...nstalling the battery For open lead acid batteries wear a pair of goggles during installation and in case of contact with battery acid flush with water immediately In order to prevent the battery from being short circuited no metal objects shall be placed near the battery Acid gas may be generated during battery charging thus make sure the ambient environment is well ventilated Keep the battery aw...

Страница 6: ...ys be careful in operation First connect the battery then the solar panel and finally the load When wiring follow the order of first and then Power on After connecting all power wires solidly and reliably check again whether wiring is correct and if the positive and negative poles are reversely connected After confirming that no faults exist first close the fuse or breaker of the battery then see ...

Страница 7: ...e current day Device information Bluetooth connection state This menu is available only to the display units with the optional bluetooth function Refer to Usage of Navigation Keys for operations including entering into and exiting each of the above menus related parameters setting etc 3 3 LCD Display and Operations 3 3 1 Menu Block Diagram 9 10 Return to previous menu exit without saving Enter int...

Страница 8: ...des BAT LDV over discharge BAT OVD over voltage BAT UVW under voltage warning L SHTCRT load short circuit L OVRCRT load over current internal over temperature battery over temperature solar panel overpower solar panel over voltage solar panel working over voltage solar panel reverse connection Page 2nd level menus Menu level Definitions of main menu icons Icon or value State Description Remarks St...

Страница 9: ... BstChgVol 9 0 17 0V 3 Floating charging voltage FltChgVol 9 0 17 0V Boost charging recovery voltage BstChgRev Over discharge recovery voltage LowVolRev Under voltage warning level UndVolWrn 4 Over discharge voltage LowVolDsc Over discharge time delay LVD Delay 0 60s 1 Equalizing charging time Equ Time 0 300 MIN 1 Boost charging time Bst Time 0 300 MIN 1 5 Equalizing charging interval Equ Inv 0 30...

Страница 10: ... the load mode setting 3 Press and hold in any menu but not the setting mode if the current load mode is manual mode pressing and holding the key will switch on off the load if the current load mode is not manual mode pressing and holding the key will cause the display to skip to the load mode setting interface and a reminder will pop up telling the user in this mode pressing and holding the key w...

Страница 11: ...ction problem gets solved normal operation will resume Load overpower protection When the load power exceeds the rated value the load will cut off output after a time delay Load short circuit protection When the load is short circuited the controller can implement protection in a quick and timely manner and will try to switch on the load again after a time delay This protection can be carried out ...

Страница 12: ...2V default 35 C to 45 C IP32 3 6kg RS232 RS485 3000m 285 205 93mm 5 2 Battery Type Default Parameters When selecting User the battery type is to be self customized and in this case the default system voltage parameters are consistent with those of the sealed lead acid battery When modifying battery charging and discharging parameters the following rule must be followed Over voltage cut off voltage...

Страница 13: ...sion Efficiency 6 3 48V System Conversion Efficiency MPPT 24V conversion efficiency 24V battery 80 82 84 86 88 90 92 94 96 98 100 40 80 160 480 800 1200 1600 Output power W 40Vmp 60Vmp 80Vmp 90Vmp 110Vmp 110 Vmp 90 Vmp 80 Vmp 60 Vmp 40 Vmp MPPT 48V conversion efficiency 48V battery 85 87 89 91 93 95 97 99 160 320 640 1000 1250 1500 2000 2500 3000 Output power W 60Vmp 70Vmp 80Vmp 90Vmp 110Vmp 60 Vm...

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