5A 35W Lcd Display Indicator Battery Capacity Voltage

Feature Description:

The current a voltage V power W capacity ah and discharge time can be displayed; Have a sound protection mechanism; Automatic statistics of discharge capacity and discharge time; Set maximum discharge Capacity (OAH) and maximum discharge time (OHP); ( Realization of unattended aging experiments ) Intelligent temperature-controlled fan, when the power is greater than 10W or the temperature is greater than 40 ℃ fan start automatically; The use of rotary potentiometer, can accurately adjust the current, accurate to 0.01A, the current can be locked to prevent misoperation; Data group function: You can choose whether to add up the capacity value and running time of the previous stage; Has a powerful serial communication function.

Feature Detail

First, improve the protection mechanism:

The power supply end has anti-reverse protection, reverse connection does not burn; The load end has anti-reverse protection, the reverse connection does not burn; OVP overvoltage Protection (default 25.2V, can modify it yourself, ar Overvoltage protection, LCD interface flashing display OVP ); OCP overflow Protection (default 4.10A/5.10A, can modify it yourself, ar overcurrent protection, LCD flashing display OCP ); OPP power Protection (default 25.5w/35.5w, can modify it yourself, ar power protection, LCD flashing display OPP ); OTP over-temperature protection (ar load temperature greaterthan 80℃, over-temperature protection, liquid crystal flicker display OTP ); P undervoltage Protection (default 1.5V, can be set itself, ar Undervoltage protection LCD flashing displayP , In applications such as battery discharge testing, the setting of suitableP can effectively prevent the battery from transitioning to discharge, so as not to damage the battery).

Second, the electronic load on the initial state of power:

The electronic load automatically saves the switching state before shutting down and acts as the initial state of the power-on;

Third, discharge capacity and discharge time statistics:

Discharge capacity Statistics: the load current is not zero start statistics, until the load current is zero, it is believed that the completion of a discharge proce, statistical end; Discharge time Statistics: from the current is not zero start statistics, to the load current is zero, think that the completion of a test proce, statistical end;

Four, set the maximum capacity (OAH) and set the maximum discharge time (OHP):

Set maximum Capacity ( OAH ): When the OAH function is started, when the load discharge capacity is higher than the maximum capacity set, the electronic load stops automatically and flashes to display " OAH ", and when the OAH alarm is lid, the capacity statistics are automatically emptied; Set the maximum discharge time ( OHP ): When the OHP function is started, when the load running time is greater than the maximum discharge time set, the electronic load stops automatically and flashes to display " OHP ", and when OHP alarm is lid, the time statistics are automatically emptied;

Note: In the absence of the OAP and OHP function, the electronic load will record the discharge capacity and discharge time, turn on the OAH and OHP function, to the set value ar the electronic load stopped working; When the OHP function is turned on, the running time of the electronic load is the countdown mode;

OAP and OHP functions, can be a good implementation of unattended power aging testing.

Five, Data group Features:

Divided into "DAT0", "DAT1"

DAT0: Flashing shows only the capacity value and running time of the previous stage, and does not add up to the stage;

DAT1: Flashing shows the capacity value and running time of the previous stage, and automatically adds up to the stage;

Interface Operation Instructions:

First, the operation interface operation instructions:

The electronic load is powered on and then enters the operating interface, which is used to turn the electronic load on or off by short preing the "ON/OFF" on, and to modify the current of the electronic load in real time by rotating the encoder potentiometer; Short pre the en potentiometer key to tole the downlink display content (current/power/capacity/time); In any display interface, the rotating en potentiometer will automatically switch to the current display interface; In the current display interface, the long pre "ON/OFF" on is used to turn the data lock function on or off, if the data lock function is turned on, the locking symbol " -- " will be displayed in front of the current, at this time can not adjust the load current in real time by rotating the en potentiometer to prevent misoperation; In the capacity/time interface, the long pre "on/off" on to empty the corresponding capacity/time data.

Second, the Setup interface operation instructions:

In the running interface, the long pre en potentiometer enters the setup interface; By rotating the encoder potentiometer, adjust the size of the , increase clockwise, and decrease counterclockwise; switch the that need to be modified by short preing the rotary encoder; In the maximum capacity (OAH)/Maximum discharge time (OHP) two parameter interface, short pre "ON/OFF" on to select the corresponding function of the turn on or off, if closed, the display "----"; In the maximum capacity (OAH) parameter interface, short pre "ON/OFF" on to select the capacity range (9.999Ah/99.99Ah/999.9Ah/9999Ah); Parameter settings complete, long pre encoder potentiometer, exit the Setup interface, set automatically saved;

Serial port Control (single- TTL level communication)

Baud Rate: 9600 bps

Data bits: 8

Stop bits: 1

Check bit: None

Flow control: None

Serial Port Commands

Note

start

Start upload

stop

Stop upload

on

Turn on Load features

off

Turn off Load features

x.xxA

Set load current

P:xx.x

Set down Undervoltage

OVP:xx.x

Set over preure

OCP:x.xx

Set over flow

OPP:xx.xx

Set over power

OAH:x.xxx

Set maximum capacity

OHP:xx:xx

Set maximum discharge time

read

Read product parameter settings

Data upload format:

No alarm status:

Load supply voltage, load current, capacity value, discharge time;

11.90V,0.11A,0.004Ah,00:02 à Load voltage 11.90V, load current 0.11A, capacity 0.004Ah, discharge time 00:02;

Note: If the maximum discharge time is turned on, 00:02 indicates a countdown;

Alarm Status:

Upload Alarm status code (OVP/OCP/OPP/LVP/OAH/OHP/OTP)

Read product parameter settings

OVP:25.2, OCP:5.10, OPP:35.5,P:1.50,OAH:0222,OHP:00:00,

Overvoltage, overcurrent, over power, undervoltage, maximum capacity, maximum discharge time

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