1. Imiyalelo Yezokuphepha Ebalulekile
Please read and save these instructions. This manual contains important safety, installation, and operating instructions for the remote meter.
Ulwazi Olujwayelekile Lokuphepha
- Inspect the MT52 thoroughly upon delivery. If any damage is observed, notify the shipping company or our company immediately. A photo of the damage may be helpful.
- Read all instructions and cautions in this manual before beginning installation.
- Keep the MT52 away from rain, direct exposure, severe dust, vibrations, corrosive gas, and intense electromagnetic interference.
- Prevent water from entering the remote meter.
- Azikho izingxenye ezisebenziseka kalula phakathi kwemitha eyirimothi. Ungawuhlakazi noma uzame ukuwulungisa.
2. Ulwazi Olujwayelekile
2.1 Izici
The MT52 remote meter, designed for use with controllers featuring RS485 communication, allows monitoring of the controller's real-time working status and programming of parameters.
- Kulula ukufaka nokusebenza.
- Real-time display of fault alarms.
- Local reading of real-time parameters.
- Powered directly by the controller.
- Equipped with an RJ45 communication port.
Image: Key features of the MT52 Remote Meter, including ease of use, real-time fault display, local parameter reading, direct power, and RJ45 port.
2.2 Imisebenzi Esemqoka
Functions such as real-time monitoring of system data, browsing and modifying related parameters, and restoring factory defaults are performed using the LCD and functional key operation.
2.3 Amamodeli Asebenzayo
The MT52 is compatible with various EPEVER solar charge controllers. When connecting the MT52 to different devices, the configurable battery types will vary. For detailed battery types and setting methods, refer to the 'Control Parameter' section (4.6) of this manual.
Image: Table detailing compatible EPEVER product series, supported battery types, interface types, and communication protocols.
Qaphela: The MT52 comes standard with an RS485 communication cable (CC-RS485-RS485-200U). If connecting to a controller with a non-standard RJ45 interface, an appropriate communication cable must be purchased in advance.
3. Isethaphu (Ukufaka)
3.1 Frame Mount Dimensions
The following diagram and table provide the dimensions for frame mounting.
Image: Technical drawing illustrating the frame mount dimensions of the MT52 Remote Meter.
| Umshini Wepharamitha | Ipharamitha |
|---|---|
| Ubukhulu bebonke | 114mm x 114mm x 48.2mm |
| Ubukhulu bokukhweza | 84mm x 84mm |
| Ubukhulu bembobo yesikulufa | Φ5 |
3.2 Mounting on the Wall
- Isinyathelo 1: Thola futhi ubhoboze izimbobo zesikulufu ngokusekelwe kubukhulu bokukhwezwa kozimele besisekelo, bese ufaka amabhawodi okunweba epulasitiki.
- Isinyathelo 2: Fix the frame with four ST4.2×3 self-tapping cross recessed pan head screws.
Image: Diagrams illustrating the front and back of the MT52 unit and its mounting frame, along with screws for installation.
- Isinyathelo 3: Use four M4×8 pan head screws to mount the MT52 panel on the frame.
- Isinyathelo 4: Faka izikulufo ezine ezihlotshaniswayo kuzimbobo zezikulufu.
3.3 Mounting on the Panel Surface
- Isinyathelo 1: Thola futhi ubhoboze izimbobo zesikulufu ngokusekelwe kusayizi wokufaka ongaphezulu.
- Isinyathelo 2: Use four M4×8 cross recessed pan head screws with M4 nuts to mount the MT52 panel onto the surface.
- Isinyathelo 3: Faka izikulufo ezine ezihlotshaniswayo eziyisikulufu ezimbotsheni zesikulufu.
Image: Diagram showing the MT52 mounted on a panel surface with screws and plugs.
Qaphela: Cabangela ngokugcwele indawo yokuxhuma/yokukhipha kanye nobude bekhebula lokuxhumana phakathi nokufakwa.
4. Product Features (Hardware Overview)
4.1 Ngaphambili View
The front panel of the MT52 features a display screen, indicators, and control buttons.
Isithombe: Ngaphambili view of the MT52 Remote Meter, labeling the Failure Indicator, Communication Indicator, Display Screen, and Buttons.
4.2 Emuva View
The rear of the MT52 includes the RS485 communication and power interface.
Isithombe: Emuva view of the MT52 Remote Meter, showing the RS485 Communication and Power Interface (RJ45).
| Imojuli | Umsebenzi |
|---|---|
| Inkomba yokwehluleka | Flashes when a fault occurs. Refer to the controller's user manual for detailed fault information. |
| Inkomba yokuxhumana | Indicates the communication status between the MT52 and the connected controller. |
| Bonisa isikrini | Man-machine interface for monitoring and operation. |
4.3 Monitoring Screen
The display screen provides real-time monitoring of various system parameters. The screen can be viewed clearly when the angle between the user's horizontal sight and the display screen is within 90°. It cannot be viewed ngokucacile lapho i-engeli idlula u-90°.
Isithombe: Example of the MT52 monitoring screen displaying PV voltage, current, battery voltage, and load current.
Qaphela: Use the communication plug marked with "MT" to connect the MT52.
| Igama | Isibonisi se-LCD | Isiyalezo |
|---|---|---|
| Izimpawu zemini nobusuku | 🌙 / ☀️ | Indicates Night or Day. The threshold voltage is 1V; when it goes higher than 1V, it is daytime. |
| Shaja isithonjana samanje | >>> | Dynamically running when there is a charge current. |
| Isithonjana sebhethri | 🔋 | Dynamically displays battery capacity. If the battery is over-discharged, an 'X' is displayed. |
| Izithonjana zesimo sebhethri | 😊 / 😐 / 😠 | Indicates Normal battery voltage, Battery under voltage, or Battery over-discharge. |
| Layisha isithonjana samanje | >>>>> | Dynamically running when there is a discharge current. |
| Layisha isithonjana sesimo | 💡 / 🔌 | Indicates Load On or Load Off. In Manual Mode, press 'OK' to switch load on/off. |
| I-PV ivolumu. futhi cur. amanani | 17.5V 15.2A | Displays the PV (Photovoltaic) voltage namanani amanje. |
| Battery vol. and cur. values | 13.8V 5.2A | Ibonisa umthamo webhethritage namanani amanje. |
| Load vol. and cur. values | 13.8V 10.0A | Displays the load voltage namanani amanje. |
5. Ukusebenza
5.1 Izinkinobho
The MT52 features six buttons: ESC, Left, Up, Down, Right, and OK. These buttons are used for navigation and parameter modification.
Image: Diagram showing the layout of the MT52 buttons (Esc, Left, Up, Down, Right, OK) and their general operational flow for menu navigation and parameter editing.
Ikhasi lokungena elizenzakalelayo imodi yokuphequlula. Cindezela inkinobho OK button and input the correct password to enter the modification mode. The Kwesokunxele futhi Kulungile buttons are used to move the cursor. The Up futhi Phansi buttons are used to modify parameter values when the cursor is located at the current place. The OK futhi Esc buttons are used to confirm and cancel the modification of control parameters, respectively.
5.2 Imenyu enkulu
Faka iMenu Eyinhloko ngokucindezela Esc. Sebenzisa i- Up futhi Phansi buttons to select menu items, and OK or Esc to enter or exit corresponding pages.
Image: Flowchart illustrating the main menu structure, including Monitoring, Device Info, Test Operation, Control Para, Load Set, Device Para, Device PSW, Factory Reset, Failure Info, and Meter Para.
5.3 Ukuqapha Kwesikhathi Sangempela
The real-time monitoring section consists of 13 pages displaying various system data. Navigate between rows using the Up or Phansi buttons, and along a row using the Kwesokunxele or Kulungile izinkinobho.
Image: Flowchart showing various real-time monitoring screens, including PV status, energy statistics, battery voltage, temperature, and load status.
5.4 Ulwazi Lwedivayisi
This page displays the controller's parameters, such as Rated Voltage (Rate.Vol), Charging Current (Char.Cur), and Discharging Current (Disc.Cur). Use the Up futhi Phansi buttons to browse pages.
5.5 Test Operation
A load switch test can be performed on the connected solar controller to verify load output functionality. This test does not affect actual load settings. The controller will exit test mode upon leaving the Test Operation page.
To perform a test: Enter the page, input the correct password, use Up futhi Phansi buttons to modify On/Off status, press OK ukuqinisekisa, futhi Esc ukukhansela.
5.6 Ipharamitha yokulawula
This section allows browsing and modification of the solar controller's control parameters. The scope of modification is detailed in the control parameters table.
Image: Flowchart illustrating the various control parameters that can be browsed and modified, such as battery type, temperature compensation, voltage limits, and charge/discharge settings.
5.6.1 Uhlobo Lwebhethri
Supported battery types include Sealed, Gel, Flooded, LiFePO4, Li(NiCoMn)O2, and User-defined. LiFePO4 15S/16S and Li(NiCoMn)O2 13S/14S options appear only when the controller supports 48V system voltage. When setting to "USE", the default voltagIphuzu elingu-e liyi-voltage before modification.
5.6.2 Ibhethri Voltage Amapharamitha
Parameters are measured at 12V/25°C. Double values for 24V systems and multiply by four for 48V systems.
| Battery Charging Setting | Kuvaliwe | Ijeli | Izikhukhula | Umsebenzisi |
|---|---|---|---|---|
| Ngaphezulu kwevolumutage nqamula voltage | 16.0V | 16.0V | 16.0V | 9 ~ 17V |
| Umkhawulo wokushaja umthamotage | 15.0V | 15.0V | 15.0V | 9 ~ 17V |
| Ngaphezulu kwevolumutage xhuma kabusha voltage | 15.0V | 15.0V | 15.0V | 9 ~ 17V |
| Linganisa umthamo wokushajatage | 14.6V | --- | 14.8V | 9 ~ 17V |
| Khulisa ukushaja voltage | 14.4V | 14.2V | 14.6V | 9 ~ 17V |
| Ukushaja okuntantayo voltage | 13.8V | 13.8V | 13.8V | 9 ~ 17V |
| Khulisa ukushaja kabusha kwe-Boost Voltage | 13.2V | 13.2V | 13.2V | 9 ~ 17V |
| I-vol ephansitage xhuma kabusha voltage | 12.6V | 12.6V | 12.6V | 9 ~ 17V |
| Ngaphansi kwevolumutage isixwayiso xhuma kabusha voltage | 12.2V | 12.2V | 12.2V | 9 ~ 17V |
| Ngaphansi kwevolumutagisixwayiso voltage | 12.0V | 12.0V | 12.0V | 9 ~ 17V |
| I-vol ephansitage nqamula voltage | 11.1V | 11.1V | 11.1V | 9 ~ 17V |
| Umkhawulo wokukhipha voltage | 10.6V | 10.6V | 10.6V | 9 ~ 17V |
| Linganisa ubude besikhathi | 120 imiz | --- | 120 imiz | 0 ~ 180 min |
| Khulisa ubude besikhathi | 120 imiz | 120 imiz | 120 imiz | 10 ~ 180 min |
When the battery type is "USE," the battery voltage parameters must follow specific logic rules as outlined in the full PDF manual.
5.7 Load Setting
The load setting page allows configuration of four load working modes for the connected solar controller: Manual, Light on/off, Light on + timer, and Time control.
Image: Flowcharts illustrating the configuration options for Manual, Light On/Off, Light On + Timer, and Time Control load settings.
Ukuze uthole imiyalelo enemininingwane mayelana nezilungiselelo zokulayisha, sicela ubheke imanuwali yesilawuli selanga efanele.
5.7.1 Ukulawula ngesandla
| Imodi | Izingeniso |
|---|---|
| ON | The load is on if the battery capacity is sufficient and no abnormal conditions occur. |
| VALIWE | The load is off at all times. |
5.7.2 Khanyisa/Cisha
| Ukusetha | Izimo |
|---|---|
| Ukukhanya Kuvuliwe voltage (Umkhawulo wasebusuku) | Load output turns on when: 1. PV input voltage is lower than Light On voltage. 2. Battery capacity is sufficient. 3. No abnormal conditions occur. |
| Khanyisa Vala voltage (Umkhawulo wosuku) | Load output automatically turns off when PV input voltage is higher than Light Off voltage. |
5.7.3 Light On + Timer
| Ipharamitha | Incazelo |
|---|---|
| Ukubambezeleka isikhathi | Confirmation time for the light signal. If the light signal voltage matches the Light On/Off voltage during this period (0~99mins), the controller performs actions. |
| Isikhathi sokusebenza 1 (T1) | Load working period after light control turns on the load. |
| Isikhathi sokusebenza 2 (T2) | Load working period before light control turns off the load. If any working time is set to "0", it means to stop working. The real working time of T2 depends on night-time and the length of T1, T2. |
| Isikhathi sasebusuku | Total night-time by calculation (≥3h). |
Image: Diagram illustrating the working time periods for Light On + Timer mode, showing Light On/Off states relative to dusk, night time, and dawn.
5.7.4 Time Control
| Ipharamitha | Incazelo |
|---|---|
| Isikhathi sokusebenza 1 (T1) | Controls load on/off time via real-time clock mode. T1 is the compulsory load working time interval. |
| Isikhathi sokusebenza 2 (T2) | Realizes dual timer function for load control via real-time clock mode. T2 is optional. |
5.8 Device Parameter
The solar controller's software version, device ID, LCD backlight time, and device clock can be checked and modified here.
| Uhlobo | Amanothi |
|---|---|
| Ver | Indicates the Solar controller's software and hardware version numbers. |
| ID | Indicates the Solar controller's communication ID numbers. |
| Bklight | Indicates the Solar controller's LCD backlight time. |
| Inyanga-Yosuku-Unyaka H: M: S | Indicates the Solar controller's internal clock. |
Qaphela: A larger connection device ID value results in a longer communication identification interval (maximum interval < 6 minutes). For detailed instructions on device parameters, refer to the relevant solar controller manual.
5.9 Iphasiwedi Yedivayisi
The solar controller's password can be modified via the device password page. This 6-digit figure is required before entering modification modes for "Control parameter," "Load setting," "Device parameter," "Device password," and "Factory reset" pages.
Qaphela: The default password of the solar charge controller is "000000".
5.10 Ukusetha kabusha kwasefekthri
The solar charger controller's default parameters can be restored via the Factory reset page. This includes "Control parameter," "Load setting," "Charge mode," and "Device password" (which will be reset to "000000").
6. Troubleshooting (Failure Information)
The solar controller's failure information can be checked via the Failure Information page (up to 15 messages displayed). Once a failure is resolved, its corresponding information will be automatically cleared.
| Uhlobo Lokuhluleka | Isibonisi se-LCD | Iziyalezo |
|---|---|---|
| Ukushaja ukwehluleka | Layisha i-MOS-Short | I-MOSFET yomshayeli womthwalo ifushane. |
| Layisha Circuit | Isekhethi yomthwalo ifushane. | |
| Layisha i-O. cur. | Isekhethi yokulayisha ingaphezu kwamanje. | |
| Input related failures | Okokufaka u-O. cur. | The PV input current exceeds the rated current. |
| I-RPP emfushane | The MOSFET of the reverse polarity protection (RPP) is short-circuited. | |
| Ikhefu le-RPP | The MOSFET of the reverse polarity protection (RPP) breaks. | |
| Char. MOS-Short | I-MOSFET yomshayeli wokushaja inomjikelezo omfushane. | |
| No Input Power | The input power is not connected successfully. | |
| Input vol. High / Low | Umthamo wokufakatage is very high or very low. | |
| Ukuhluleka kwesilawuli | I-Ctrl O. Temp. | Isilawuli sinezinga lokushisa eleqile. |
| Ukuhluleka kokuxhumana | Comm. Isikhathi siphelile | Ukuxhumana kuphelelwe yisikhathi. |
| Ukuhluleka kwebhethri | Batt. O. Hi. Temp. / Batt. O. Lo. Temp. | The battery is over high or low temperature. |
| Batt. I. R. Eorr | The internal resistance of the battery is in error. | |
| Kukalwe ngeVol Err. | I-voltagu-e usephutheni. | |
| Batt. I-OVD | Ibhethri voltagu-e weqa i-over voltage nqamula (OVD) voltage value. | |
| Batt. UVW | Ibhethri voltagu-e uphansi kunevolumu engaphansitagisixwayiso (UVW) voltage value. | |
| Batt. LVD / Batt. Err | Ibhethri voltagu-e uphansi kunevolumu ephansitage nqamula (LVD) voltage value, or the battery type is in error. |
7. Imininingwane Yezobuchwepheshe
| Ipharamitha kagesi | |
|---|---|
| Ukuzidla | Ukukhanya kwangemuva KUVULIWE <23mA Ukukhanya kwangemuva KUVALIWE < 15mA |
| Umshini Wepharamitha | |
|---|---|
| Ubukhulu be-faceplate | 98mm × 98mm |
| Ubukhulu bozimele | 114mm × 114mm |
| Imbobo yokuxhumana | RJ45 |
| Ikhebuli yokuxhumana (m) | Okujwayelekile: 2m, Okude kakhulu: 50m |
| Isisindo sengqikithi | Iphakheji elula: 0.23 Kg Iphakheji ejwayelekile: 0.32kg |
| Ipharamitha Yezemvelo | |
|---|---|
| Izinga lokushisa kwemvelo | -20°C ~ +70°C |
7.1 RJ45 Pin Definition
The RJ45 interface pins are defined as follows:
| Iphini No. | Incazelo |
|---|---|
| 1 | +5~12V Power input |
| 2 | +5~12V Power input |
| 3 | I-RS485-B |
| 4 | I-RS485-B |
| 5 | I-RS485-A |
| 6 | I-RS485-A |
| 7 | GND |
| 8 | GND |
Image: Diagram illustrating the pinout of an RJ45 data cable connector.
8. Appendix Dimensions
Detailed dimensions of the MT52 Remote Meter are provided below (Unit: mm).
Image: Technical drawings showing various views and dimensions of the MT52 Remote Meter.
Noma yiziphi izinguquko ngaphandle kwesaziso kusengaphambili! Inombolo yenguqulo: V1.0
9. Amathiphu Womsebenzisi
- Ukuhambisana kwesilawuli: The MT52 is designed for specific EPEVER controller series (LS-B, GM-N, VS-BN, Tracer-BN, iTracer-AD/ND, Tracer-BP, Tracer-CPN, Tracer-AN, TRIRON, XTRA-N). Always verify your controller model against the 'Applicable Models' table in this manual to ensure compatibility.
- LiFePO4 Battery Configuration: When configuring LiFePO4 batteries, especially for 24V systems, ensure you select the correct battery type (e.g., LFP8S for 24V nominal) and carefully adjust voltage parameters according to the detailed tables provided in the 'Control Parameter' section (5.6). The manual specifies how voltage values scale for 24V and 48V systems.
10. Iwaranti kanye Nokusekela
Inqubo Yesondlo
Refer to this user manual or contact after-sales personnel to resolve faults before requiring maintenance. If factory maintenance is confirmed, send the product to our company via express delivery, prepay shipping costs, and provide the purchase invoice as proof of warranty.
Include the model number, usage environment data, and a detailed description of the fault with the returned product to facilitate quick warranty service. This information is crucial for addressing your repair needs.
If the device is damaged due to improper use by the customer or failure to follow this user manual, we will not be responsible. Maintenance costs will be incurred during the maintenance process in such cases.
For the most comprehensive and up-to-date information, please refer to the official PDF user manual: EPever MT52 Remote Meter User Manual (PDF)
