1. 서론
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. 주요 특징
- 고급 마이크로프로세서: Equipped with a 32-bit ARM microprocessor for efficient performance.
- 사용자 인터페이스: 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 통신 : An RS485 communication port allows data exchange via MODBUS protocol, enabling PC monitoring software integration.
- 아날로그 출력 : Provides a 4-20mA output for connecting to speed tachometers and torque indicators.
- 실시간 데이터 모니터링: 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. 설정 및 설치
3.1 물리적 설치
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.

그림 3.1: 사이드 프로file of the HEM8500, illustrating its compact design for panel integration.
3.2 배선 연결
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.
- 전원 공급 장치: Connect the main power supply to the designated terminals. Observe correct polarity.
- 캔버스: 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.
- 입력/출력: 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. 사용 설명서
4.1 전원 켜기/끄기
To power on the controller, press the 힘 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)
빨간색 비상 정지 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.

그림 4.1: 각도 view of the HEM8500, showing the prominent E-stop button and the manual throttle control.
4.3 Engine Start/Stop
- 시작: 를 누르세요 시작 button (green) to initiate the engine starting sequence.
- 중지: 를 누르세요 멈추다 button (red, next to power) to stop the engine under normal operating conditions.
4.4 Manual Throttle Control
The rotary knob labeled 조절판 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 다이어트 button provides access to diagnostic information and fault codes from the engine ECU.
5. 유지관리
Regular maintenance ensures the longevity and reliable operation of your HEM8500 controller.
- 청소: Periodically clean the display and housing with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- 연결 확인: Annually inspect all wiring connections for tightness and signs of corrosion. Ensure all cables are securely fastened.
- 소프트웨어 업데이트: Check the SMARTGEN-America web성능 향상이나 새로운 기능을 위한 펌웨어 업데이트가 있는지 확인하려면 해당 사이트를 방문하십시오.
6. 문제 해결
If you encounter issues with your HEM8500 controller, consider the following steps:
- 전원 없음: Verify the power supply connections and check for blown fuses in the power circuit.
- 디스플레이가 응답하지 않음: Ensure the unit is powered on. If the screen is blank, try cycling the power.
- 엔진이 시동되지 않음: Check the E-stop button is released. Verify all engine safety interlocks and fuel supply. Consult the diagnostic screen for error codes.
- CANBUS 통신 오류: Inspect CANBUS wiring for proper termination and continuity. Ensure the engine ECU is powered and functioning correctly.
- 센서 판독값 오류: 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 web사이트 또는 기술 지원팀에 문의하세요.
7. 기술 사양
| 사양 | 값 |
|---|---|
| 상표 | 스마트젠 |
| 모델 | HEM8500 |
| 표시하다 | 4.3인치 LCD |
| 프로세서 | 32-bit ARM Microprocessor |
| CANBUS Ports | 2 |
| 통신 인터페이스 | RS485(MODBUS 프로토콜) |
| 아날로그 출력 | 4~20mA |
| 재료 | 구리 |
| 품목 무게 | 0.9킬로그램(1.98파운드) |
8. 보증 및 지원
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 web대지.
연락처 정보: Please refer to your purchase invoice or the SMARTGEN-America website for the most current contact details for support.





