1. Konec produktuview
The Graigar Smartgen HGM7210 is an advanced genset controller designed for automatic control and monitoring of diesel generators. It integrates a 32-bit ARM CPU for high reliability and offers comprehensive functions for various generator systems, including 3-phase 4-wire, 3-phase 3-wire, 1-phase 2-wire, and 2-phase 3-wire (120/240V) power systems, operating at 50/60Hz. This controller provides precise measurement and display of generator and mains parameters, ensuring efficient and safe operation of your power system.

Obrázek 1: Přední strana view of the Smartgen HGM7210 Genset Controller, showing the LCD display and control buttons.
2. Klíčové vlastnosti
- Pokročilý procesor: Utilizes an X32 ARM CPU for high integration and enhanced reliability.
- Všestranná kompatibilita systému: Supports 3-phase 4-wire, 3-phase 3-wire, 1-phase 2-wire, and 2-phase 3-wire (120/240V) power systems, 50/60Hz.
- Komplexní monitoring: Senses and displays 3-phase voltage, current, power, and frequency for both generator and mains.
- Komunikační porty: Equipped with RS485 for remote control, measuring, and communication via ModBus protocol. CANBUS port for communication with J1939 gensets (if applicable).
- Uživatelské rozhraní: 132x64 LCD with backlight, supporting Chinese, English, and other languages. Gentle press buttons for operation.
- Ochranné funkce:
- For Mains: Over/under voltage, over/under frequency, loss of phase, anti-phase.
- For Generator: Over/under voltage, over/under frequency, loss of phase, anti-phase, over/anti-power, over current.
- Odolný design: Acrylic material protects the LCD screen, offering wear and scratch resistance. Silica gel panel and push buttons ensure high-low temperature adaptability.
- Funkce SMS: Can send automatic SMS alerts to up to 5 telephone numbers during generator alarms (requires GSM port). Users can also control or check gensets via SMS.
- Modulární konstrukce: Anti-flaming ABS plastic shell, inserted type connection terminals, and built-in mounting for compact and easy installation.
- Vstupy senzorů: 3 fixed sensors (temperature, oil pressure, fuel level) and 2 configurable sensors (temperature or fuel level).
- Control and Protection: Precision measurement, engine control, automatic start/stop, ATS (Auto Transfer Switch) control, and complete failure protection.
- Konfigurace parametrů: All parameters are digitally modulated for reliability and stability, configurable via panel or PC (USB/RS485).
- Event Logging & RTC: Features event logs, real-time clock, and scheduled start/stop functions (daily/weekly/monthly).
- Maintenance Function: Timing maintenance function with configurable actions (warning or alarm stop).
3. Technické specifikace
| Parametr | Hodnota |
|---|---|
| Zobrazit | LCD (132*64) |
| Ovládací panel | Silikonová pryž |
| Jazyková podpora | Chinese, English, and others |
| Digitální vstupy | 7 |
| Reléové výstupy | 8 |
| Analogové vstupy | 5 |
| AC System Compatibility | 1P2W/2P3W/3P3W/3P4W |
| Frekvence alternátoru | 50/60 Hz |
| kW/Amp Detecting & Display | Ano |
| Rozhraní monitoru | RS485 |
| Programovatelné rozhraní | USB/RS485 |
| RTC & Event Log | Ano |
| Scheduled Start Genset | Ano |
| Funkce údržby | Ano |
| ULP (Under Load Protection) | Ano |
| Funkce SMS | Yes (with GSM port) |
| Napájení DC | DC (8–35) V |
| Rozměry pouzdra (mm) | 197*152*47 |
| Panel Cutout (mm) | 186*141 |
| Provozní teplota | (-25~+70)℃ |
| Hmotnost položky | 2.2 libry |
| Materiál | Plast |
| Barva | Černý |

Figure 2: The HGM7210 controller shown within its retail packaging, including the instruction manual.
4. Instalace a nastavení
4.1 Vybalení a kontrola
Upon receiving your HGM7210 controller, carefully unpack all components. Inspect the unit for any signs of damage that may have occurred during transit. Ensure all accessories, such as mounting hardware and connectors, are present.

Obrázek 3: Zadní view of the HGM7210 controller, displaying the detailed wiring diagram and connection terminals.
4.2 Montáž regulátoru
- Prepare a panel cutout with dimensions 186mm x 141mm.
- Insert the HGM7210 controller into the cutout from the front.
- Secure the controller using the provided mounting clips or screws from the rear of the panel. Ensure a snug fit to prevent vibration.
4.3 Zapojení kabeláže
Refer to the detailed wiring diagram on the back of the controller and in the full manual for precise connections. Ensure all wiring is performed by qualified personnel and adheres to local electrical codes. Key connections include:
- DC napájení: Connect to a DC (8-35V) source. Observe polarity.
- Generator Voltage/Current Inputs: Connect to the generator's voltage and current transformers.
- Síť Voltage Vstupy: Connect to the utility mains voltage.
- Engine Sensors: Connect temperature, oil pressure, and fuel level sensors.
- Reléové výstupy: Connect to engine start/stop, fuel solenoid, and other control devices.
- Komunikační porty: Connect RS485 for remote monitoring or USB for PC configuration.

Obrázek 4: Úhlové view of the HGM7210 controller, highlighting the various connection terminals on its sides.
4.4 Počáteční zapnutí a konfigurace
After all connections are secure, apply DC power to the controller. The LCD will illuminate. Use the navigation buttons to access the parameter settings menu. Configure essential parameters such as system type (1P2W, 3P4W, etc.), generator frequency, and sensor types according to your specific genset setup. Refer to the detailed programming guide for advanced settings.
5. Návod k obsluze
5.1 režimy ovládání
The HGM7210 controller supports several operating modes:
- Manuální režim: Allows direct control of the generator (start/stop) via the front panel buttons.
- Automatický režim: The controller automatically starts and stops the generator based on mains power status (e.g., mains failure, mains return) or scheduled events.
- Testovací mód: For testing the generator without connecting to the load.
5.2 Starting and Stopping the Generator
- Ruční spuštění: Stiskněte tlačítko Ruční start button (red circle with 'O') on the front panel. The controller will initiate the start sequence.
- Ruční zastavení: Stiskněte tlačítko Ruční zastavení button (green circle with 'I') to stop the generator.
- Automatický provoz: Vyberte Auto mode button. The controller will then manage the generator based on programmed logic.

Figure 5: Close-up of the HGM7210 front panel, showing the manual start, stop, and auto mode buttons.
5.3 Monitoring Parameters
The LCD displays various operational parameters. Use the navigation buttons (up/down arrows) to scroll through different screens, which may include:
- Generator Voltage, Current, Frequency, Power (kW, kVA, kVar)
- Síť Voltage, Frekvence
- Engine Parameters: RPM, Oil Pressure, Coolant Temperature, Fuel Level, Battery Voltage
- Operating Hours, Number of Starts
6. Údržba
Regular maintenance ensures the longevity and reliable operation of your HGM7210 controller and the genset it manages. The controller features a timing maintenance function to assist with scheduling.
6.1 Plánovaná údržba
- Čištění ovladače: Periodically clean the front panel with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Kontrola elektroinstalace: Annually inspect all wiring connections for tightness and signs of corrosion or damage.
- Parameter Review: Pravidelně znovuview configured parameters to ensure they align with current operational requirements.
6.2 Using the Maintenance Function
The HGM7210 allows you to set maintenance intervals. When the set time or operating hours are reached, the controller can trigger a warning or an alarm stop, reminding you to perform necessary genset maintenance (e.g., oil change, filter replacement). Refer to the programming manual for setting up maintenance schedules.
7. Řešení problémů
This section provides guidance on common issues. For complex problems, consult a qualified technician or contact customer support.
| Problém | Možná příčina | Řešení |
|---|---|---|
| Displej ovladače je prázdný. | No DC power supply, loose connection, or blown fuse. | Check DC power input (8-35V), verify wiring, and inspect fuses. |
| Generátor se v automatickém režimu nespustí. | Mains power is present, Auto mode not selected, or start inhibit active. | Ensure mains power is off, select Auto mode, check for active alarms or inhibits. |
| Generator starts but immediately stops. | Low oil pressure, high engine temperature, or other protection trip. | Check alarm messages on the display. Address the underlying engine fault. |
| Incorrect parameter readings (voltage, frekvence). | Incorrect CT/PT ratios configured, or sensor calibration issues. | Verify CT/PT settings in the controller. Calibrate sensors if necessary. |
8. Informace o záruce
This Graigar Smartgen HGM7210 Genset Controller is covered by a manufacturer's warranty against defects in materials and workmanship. The warranty period typically begins from the date of purchase. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the documentation provided with your product or contact Graigar customer support.
Note: The warranty does not cover damage caused by improper installation, misuse, unauthorized modifications, or natural disasters.
9. Zákaznická podpora
For technical assistance, troubleshooting, or inquiries regarding your Graigar Smartgen HGM7210 Genset Controller, please contact Graigar customer support:
- Výrobce: Graigar
- Webmísto: www.graigar.com (Poznámka: Toto je zástupný symbol URL, please replace with the actual support webmísto, pokud je k dispozici.)
- E-mail: support@graigar.com (Note: This is a placeholder email, please replace with the actual support email if available.)
- Telefon: Refer to your product packaging or the official Graigar webmísto pro regionální kontaktní čísla.
When contacting support, please have your product model (HGM7210) and purchase information readily available.