Related Manuals for Srne MD Series
Summary of Contents for Srne MD Series
- Page 1 User's Manual of DC/DC DC & MPPT Solar Charging Controller Instructions Version: V1.05 subject to change without prior notice Code：112065...
- Page 2 Table of Contents Dear users, 1. Product Introduction Thank you for choosing our product! 1.1 Product Overview 1.2 Product Features 1.3 Interface Description Safety Instructions 1.4 Introduction to MPPT Technology 1.5 Introduction to Charging Phase 1.5.1 Lead-acid battery charging 1. As this controller deals with voltages that exceed the top limit for human safety, 1.5.2 Lithium Battery Charging do not operate it before reading this manual carefully and completing safety 2.
- Page 3 1.3 Interface Description 1.1 Product Overview MD Series DC/DC&MPPT solar charging controller is based on multi-phase synchronous rectifier technology and advanced MPPT control algorithm, adopting all-digital intelligent design, which has fast response speed, high reliability and high industrialized standard. Polyphase synchronous rectifier technology can ensure high conversion efficiency under any charging power, and greatly improve the energy utilization of the system;...
- Page 4 However, the MPPT controller can overcome the problem by adjusting the solar panel's input voltage 1.5 Introduction to Charging Phase and current in real time, realizing a maximum input power. 1.5.1 Lead-acid battery charging Compared with conventional PWM controllers, the MPPT controller can make the most of the solar The Controller will adopt three-stage charging for the backup battery of lead-acid type,and panel's max.
- Page 5 2. Product Application Equalization Charge Warning: Explosion Risk! 2.1 Spec Chart Gas can be generated during equalization charging and the battery cartridge must be well ventilated without foreign matters. Value Parameter Model MD1230N05 MD1250N05 Notice: Equipment Breakdown! Backup Battery System Voltage Overcharging and too much gas evolution may damage the battery plate, which may cause Backup Battery Voltage Range 9~16V DC...
- Page 6 2.2 Battery Type Default Parameters 2.3.3 alternator(automobile) indicator Default parameter table of each battery type Indicator color Indication mode Description The alternator(automobile) will Sealed lead Open-type Lithium iron Custom battery Colloidal lead Battery type Normally ON charge the backup battery. acid battery lead-acid phosphate...
- Page 7 2.6 RS485 & CAN communication 2.10 Backup Battery Voltage Compensation Interface For the reason of configuration, the charging power is high and the diameter of wire from the 1)RS485 communication: batter y to the Controller is slightly smaller, causing the battery voltage collected by the Controller The default baud rate is 9600bps；Parity: None;...
- Page 8 3.3 Parameter Settings Menu Browsing ① Press [ENTER] for a long time for entry to the parameter setting interface; Press [SELECT] for entry to menu browsing, and check the real-time voltage, real-time current, photovoltaic power generation watt-hours, photovoltaic power generation ampere-hours, alternator (automobile) power ②...
- Page 9 Parameters Setting Instructions System Alarms Backup battery type selection, can be set to FLD, SLD, GEL, LI, USE, USELI. System Alarm Meaning Description Equalization charging voltage, USE battery type can be set, ranging from 9V to 17V No fault Boost charging voltage, USE and USELI battery types can be set, ranging from 9V to 17V Float charging voltage, USE battery type can be set, ranging from 9V to 17V Indicator Prompt Backup battery over-discharge...
- Page 10 Step 1: Select the installation position Virtual junctions and corroded wires may cause great heat, melt the insulation of wire, burn the surrounding material, and even cause fire. Therefore, it is necessary to ensure that all connectors Avoid installing the Controller in a place with direct sunlight, high temperature and easy to are tightened, and wires are preferably fixed with ties to avoid loose connectors caused by shaking water flooding, and ensure good ventilation around the Controller.
- Page 11 5. Product Size 5.1 MD1230N05 175.80 161.87 150.11 φ10.00 Product Size：221*175.8*73mm Installation Size： 161.9*164.8mm BATTERY Mounting Hole Position：φ10mm BATTERY Fig. 4-3 Wiring Sequence Warning: Danger of electric shock! We strongly recommend connecting fuses or circuit 5.2 MD1250N05 breakers at the photovoltaic array end, load end and battery end to prevent electric shock hazard in the process of wiring or misoperation, and ensure that the fuses or circuit breakers are disconnected before wiring.
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