1. پیژندنه
The SMARTGEN HEM8500 Engine CAN Monitoring Controller is an advanced instrument designed for intelligent engine management. It integrates microelectronic, electric measurement, digital-analog hybrid signal processing, CAN communication, and engine electronic control techniques. This controller is ideal for engineering vehicles requiring robust CAN communication and electric device control, offering high integration and powerful CAN gateway functions. It can serve as a comprehensive replacement for traditional Murphy displays.
2. کلیدي ځانګړتیاوې
- Advanced Microprocessor: Equipped with a 32-bit ARM microprocessor for efficient performance.
- د کارن انٹرفیس: Features a 4.3-inch LCD display with touch buttons. Supports both English and Chinese languages.
- Dual CANBUS Ports: Includes two CANBUS ports; one for connecting to the engine ECU and another for standby use.
- RS485 اړیکه: An RS485 communication port allows data exchange via MODBUS protocol, enabling PC monitoring software integration.
- انلاګ محصول: Provides a 4-20mA output for connecting to speed tachometers and torque indicators.
- د ریښتیني وخت معلوماتو څارنه: Through the CANBUS port, the controller can read real-time engine data such as speed, torque, water temperature, oil pressure, oil temperature, total fuel consumption, and instant fuel consumption.

Figure 2.1: Front panel of the HEM8500 controller, showing the LCD screen, power button, E-stop, throttle knob, and navigation buttons.
3. ترتیب او نصب کول
3.1 فزیکي نصب کول
The HEM8500 controller is designed for panel mounting. Ensure adequate space for ventilation and access to wiring terminals. Secure the unit using appropriate fasteners through the mounting holes provided on the bezel.

شکل ۳: د اړخ پروfile of the HEM8500, illustrating its compact design for panel integration.
3.2 د تارونو نښلول
All electrical connections are made via the terminals on the rear of the unit. Refer to the wiring diagram for precise connections. Ensure all power connections are made with the system de-energized to prevent damage.
- د بریښنا رسول: Connect the main power supply to the designated terminals. Observe correct polarity.
- کانبس: Connect the primary CANBUS port to the engine ECU. The second CANBUS port can be used for additional CAN devices or as a backup.
- RS485: Connect the RS485 port for communication with a PC or other MODBUS-compatible devices.
- داخلې/آخستل: Connect various sensors (e.g., fuel level, water temperature, oil pressure) to the analog inputs and control outputs as required by your application.

Figure 3.2: Rear panel of the HEM8500, detailing the various input/output terminals, CANBUS ports, and RS485 interface.

Figure 3.3: Comprehensive wiring diagram for a typical HEM8500 application, showing connections for power, CAN, RS485, and various engine sensors and controls.
4. عملیاتي لارښوونې
4.1 بریښنا کول / بندول
To power on the controller, press the ځواک button located on the bottom left of the front panel. To power off, press and hold the same button until the display shuts down.
4.2 Emergency Stop (E-stop)
سور ای بند button is for immediate engine shutdown in emergency situations. Pressing this button will halt engine operation. To reset, twist the button clockwise to release it.

شکل ۳: زاویه لرونکی view of the HEM8500, showing the prominent E-stop button and the manual throttle control.
4.3 Engine Start/Stop
- پیل: فشار ورکړئ پیل button (green) to initiate the engine starting sequence.
- درېدل: فشار ورکړئ ودریږئ button (red, next to power) to stop the engine under normal operating conditions.
4.4 Manual Throttle Control
The rotary knob labeled تروتل allows for manual adjustment of engine speed. Rotate clockwise to increase throttle and counter-clockwise to decrease. Ensure the controller is in manual mode for this function to be active.
4.5 Display Navigation and Diagnostics
Use the up/down arrow buttons to navigate through different display screens and menus. The دیاګ button provides access to diagnostic information and fault codes from the engine ECU.
5. ساتنه
Regular maintenance ensures the longevity and reliable operation of your HEM8500 controller.
- پاکول: Periodically clean the display and housing with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- د پیوستون چکونه: Annually inspect all wiring connections for tightness and signs of corrosion. Ensure all cables are securely fastened.
- د سافټویر تازه معلومات: Check the SMARTGEN-America website for any available firmware updates for improved performance or new features.
6. ستونزه حل کول
If you encounter issues with your HEM8500 controller, consider the following steps:
- ځواک نشته: Verify the power supply connections and check for blown fuses in the power circuit.
- ښودنه ځواب نه ورکوي: Ensure the unit is powered on. If the screen is blank, try cycling the power.
- انجن نه پیل کیږي: Check the E-stop button is released. Verify all engine safety interlocks and fuel supply. Consult the diagnostic screen for error codes.
- CANBUS Communication Errors: Inspect CANBUS wiring for proper termination and continuity. Ensure the engine ECU is powered and functioning correctly.
- Incorrect Sensor Readings: Check sensor wiring and calibration. Ensure the correct sensor type is configured in the controller settings (if applicable).
For persistent issues, refer to the detailed troubleshooting guide available on the SMARTGEN-America webسایټ یا د تخنیکي ملاتړ سره اړیکه ونیسئ.
7. تخنیکي مشخصات
| مشخصات | ارزښت |
|---|---|
| برانډ | SMARTGEN |
| ماډل | HEM8500 |
| ښودل | 4.3 انچه LCD |
| پروسیسر | 32-bit ARM Microprocessor |
| CANBUS Ports | 2 |
| د مخابراتو انٹرفیس | RS485 (MODBUS protocol) |
| انلاګ محصول | 4-20mA |
| مواد | مسو |
| د توکي وزن | 0.9 کیلوګرامه (1.98 پونډه) |
8. تضمین او ملاتړ
For warranty information, please refer to the documentation provided with your purchase or contact the seller, SmartGen-America, directly. Technical support and additional resources, including detailed manuals and software downloads, may be available on the official SMARTGEN-America webسایټ
د اړیکو معلومات: Please refer to your purchase invoice or the SMARTGEN-America website for the most current contact details for support.