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REMOTE METER
Model: MT50
INSTRUCTION MANUAL
For use with solar charge controllers PU series, LS series, VS series,
Tracer MPPT series and other compatible controllers

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Summary of Contents for Photonic Universe MT50

  • Page 1 REMOTE METER Model: MT50 INSTRUCTION MANUAL For use with solar charge controllers PU series, LS series, VS series, Tracer MPPT series and other compatible controllers...
  • Page 3 Remote Meter MT50 Please note that this remote meter (Model MT50) should only be used with solar charge controllers PUxxxxB(P), LSxxxxB(P) VSxxxxBN, Tracer TRxxxxBN(P) and other solar charge controller models released in the future if the user manual states that they are compatible with this MT50 remote meter.
  • Page 4: Table Of Contents

    Contents 1 Important Safety Instructions ..............1 2 General Information ................2 2.1 Features ..................2 2.2 Main functions ................3 2.3 Recommendations ..............3 3 Installation ..................... 4 4 Product Features ................... 8 5 Operation .................... 12 5.1 Buttons ..................12 5.2 Main menu ................
  • Page 5: Important Safety Instructions

    General safety information ■ Please inspect the MT50 thoroughly after it is delivered. If any damage is seen, please notify the shipping company or our company immediately. A photo of the damage may be helpful.
  • Page 6: General Information

    2 General Information 2.1 Features The new-generation remote display unit MT50 for PUxxxxB(P), LSxxxxB(P), VSxxxxBN and TracerxxxxBN(P) controllers is an associated display device which supports both the latest communication protocol and the voltage standard of solar charge controllers. The product has many useful functions: ■...
  • Page 7: Main Functions

    LCD display and functional keys operation. 2.3 Recommendations ■ Please note that MT50 can only be used with PUxxxxB(P), LSxxxxB(P), VSxxxxBN and TracerxxxxBN(P) controllers. Confirm that you have a compatible controller before purchase and use of the remote meter.
  • Page 8: Installation

    3 Installation Frame mount dimensions (...
  • Page 9 Mechanical Parameter parameter Overall dimension 114 x 114 x 32.7 mm Mounting 88.6 x 88.6 mm dimension Φ4.3 Terminal Wall installation steps: Step 1: Locate and drill screw holes based on the frame mounting dimensions of the base, and erect the plastic expansion bolts;...
  • Page 10 Step 3: Use four M4×8 pan head screws to mount MT50 surface onto the frame; Step 4: Mount the four associated screw plugs into the screw holes. Frame mounting...
  • Page 11 Step 2: Use four M4×8 cross recessed pan head screws with M4 nuts to mount MT50 Surface onto the panel (or suitable self-tapping screws); Step 3: Mount the four associated screw plugs into the screw holes. Surface mounting...
  • Page 12: Product Features

    4 Product Features...
  • Page 13 RS485 communication and power interface Rear View Failure indicator Failure indicator flashes in case of failure of the connected device. For failure information please check the solar charge controller manual.
  • Page 14 Alarm Fault audible alarm, could be activated or deactivated. Communication indicator Indicate communication status when MT50 is connected to the controller. Display screen User monitoring and operation interface. Buttons The meter buttons include four navigation buttons and two operational buttons. See specific instructions in the Operations section.
  • Page 15 Day and night icons - Night , - Day: The threshold voltage is 1V. Higher than 1V is daytime. Charge current icon The icon moves if there is charge current. Battery icon The estimated battery capacity is shown. Note: When the battery is over discharged, the icon displayed is “ ”.
  • Page 16: Operation

    5 Operation 5.1 Buttons The buttons are respectively (from left to right) “ESC”, “Left”, “Up”, “Down”, “Right” and “OK” . Use of these navigation buttons can be shown in the schematic operation diagram below: Schematic operation diagram...
  • Page 17: Main Menu

    The default entry page is the browse mode. Press the button and input the correct password to enter the modification mode. Use buttons to move the cursor, while buttons can be used to modify the parameter values when the cursor has selected the parameter; buttons can then be used to respectively confirm or cancel the modification of the parameter.
  • Page 18: Real-Time Monitoring

    5.3 Real-time monitoring There are 14 pages under real-time monitoring. Please note as below:...
  • Page 19 Operational tips: Move between rows by pressing buttons. Move along a row by pressing buttons...
  • Page 20: Device Information

    5.4 Device information The product model, parameters and SN code of the controllers are displayed below: buttons are respectively used to turn the Operational tips: browse page upward and downward. 5.5 Test operation Load switch test operation can be conducted on the connected solar c h a r g e controller to see if the load output is normal.
  • Page 21: Control Parameters

    5.6 Control parameters Browse and modification operations are conducted over the control parameters of the solar charge controller. See the range for parameter modification in the control parameters table, and the section of control parameters in the diagram below:...
  • Page 22 Control parameters table Parameters Default Range Battery type Sealed Sealed/Gel/Flooded/User Battery Ah 200Ah 1~9999Ah Temperature compensation -3mv/℃/2V 0~-9mv coefficient Rated voltage Auto Auto/12V/24V/36V/48V Battery voltage parameters (Parameters for 12V system at 25℃, please use x 2 for 24V, x 3 for 36V, and x 4 for 48V system)
  • Page 23 Battery charging setting Sealed Flooded User Over voltage disconnect voltage 16.0V 16.0V 16.0V 9~17V Charging limit voltage 15.0V 15.0V 15.0V 9~17V Over voltage reconnect voltage 15.0V 15.0V 15.0V 9~17V Equalize charging voltage 14.6V —— 14.8V 9~17V Boost charging voltage 14.4V 14.2V 14.6V 9~17V...
  • Page 24 Notes: 1. When the battery type is sealed, gel or flooded, the adjusting range of equalize duration is 0 to180 mins and boost duration is 10 to180 mins. 2. The following rules must be observed when modifying the parameter values for the user battery type (factory default value is the same as sealed type): a) Over Voltage Disconnect Voltage >...
  • Page 25: Load Setting

    5.7 Load setting The load setting page can be used to set the four load working modes of the connected solar charge controller (Manual, Light on/off, Light on+timer, Time control): √Manual Control Manual Control ◎Light On/off Default : ON ◎Light On+Timer ◎Time Control ◎Manual Control Light On/Off...
  • Page 26 Manual control Mode Notes Load is on all the time (if the battery has enough charge and no abnormal conditions occur) Load is Off all the time Light On/Off When the input voltage of the solar module is lower than Light On Light On voltage, it automatically turns on the load output (if voltage (Night...
  • Page 27 Time control Control the on/off time of load Working time 1 through the real-time clock Working time 1 is the mode. (T1) compulsory load working time Second working period (dual interval. Working time 2 is Working time 2 timer function of the load) optional.
  • Page 28: Device Parameters

    5.8 Device parameters The software version information and device data of the solar charge controller can be checked via the page of device parameters. Data like device ID, device LCD backlight time and device clock can be checked and modified. The pages of device parameter are shown below: Device Parameter Device Parameter Ver: V01.00+V02.10...
  • Page 29: Device Password

    5.9 Device password The password of the solar charge controller can be modified via the page of device password. The password is a 6-digit figure which is required before entering the modification mode of “Control parameter”, “Load setting”, “Device parameter”, “Device password”, “Factory reset” pages. The page of device password in the diagram is shown below: Device PSW OriPsw:xxxxxx...
  • Page 30: Failure Information

    5.11 Failure information The current failure information of the solar charge controller can be checked via the Failure information page (max. 15 failure messages could be displayed). When the failures of solar charge controller are resolved, the corresponding failure information will also be automatically removed. Failure Info 1.Over voltage 2.Over load...
  • Page 31: Meter Parameters

    5.12 Meter parameters The meter model, software and hardware version, and SN NO. can be checked via the Meter parameter page. Meter functions such as “Switch pages” timer, “Backlight” and “Audible alarm” can also be modified. Note: When the setup is completed, the auto switch page will require ten minutes to take effect.
  • Page 32: Technical Specifications

    6 Technical Specifications Electrical parameters Backlight and acoustic alarm ON <65mA Backlight ON <23mA Self-consumption Backlight OFF <15mA Mechanical parameters Main meter unit dimensions 98 × 98 mm Frame dimensions 114 × 114 mm Connector type RJ45 Meter cable length Standard 5m, Max 50m Simple package: 0.23 Kg Meter weight...
  • Page 33 Definitions of interface pins Pin No. Definition Power+5~12V input Power+5~12V input RS485-B RS485-B RS485-A RS485-A Data cable pin definitions...
  • Page 34 Remote meter dimensions (mm) Changes to this manual can be made without prior notice. Version number: v8.0...
  • Page 36 Photonic Universe Ltd E-mail: info@photonicuniverse.com Web: www.photonicuniverse.com Tel.: +44 (0) 203 150 11 11...

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