ELM327 V1.4B J1939 RS232 24V 1Mbps

OBD2 scan tool for heavy vehicle

Feature:
    Switching Power 36V 2A
    Low standby current
    High efficiency
    Design for permanent installation.
    ROHS complied components used.

Protection:
    Over voltage protection 32V
    Over current protection 2A
    TVS (CAN BUS): NXP PESD1CAN 26V

MCU: ELM327 V1.4B (PIC18F2480)
    Baud default = 38400
IC (RS232):
    MAXIM MAX3232EUE+
    Baud max 1000Kbps (25 degree C)
IC (CAN):
    Microchip MCP2561-E/SN
    better than old MCP2551
IC (Power):
    MPS MP4420GJ
    Switching, high efficiency, low power consumption

Protocol:
    ISO 15765-4 (CAN H/L)
    SAE J1939
    ISO 9141-2 (KWP2000, Optional)
    ISO 14230-4 (KWP2000, Optional)
    SAE J1850 (Not included)
    SAE J1578 (Not supported)
    SAE J1708 (J1587/J1922 Not supported)
    SAE J2534 (Not supported)
Input: OBDII -B male 16pin gold
Output: RS232 D-sub 9pin
    Cable length: 180CM (GND, TX, RX)
PCB:
    Material: FR4 4 layer lead free
    Output pin: 5V/GND/TX/RX
    Pin header Pitch 2.54mm
    BLE 4.2 module design reserved
Indicator:
    Brightness is lowered for power saving.
    D6 Red (Power, On=active, off=sleep)
    D5 Green (ELM327 RS232 RX)
    D4 Orange (ELM327 RS232 TX)
    D3 Green (ELM327 OBD2 RX)
    D2 Orange (ELM327 OBD2 TX)
AT command:
    AT SP A (Set Protocol to J1939)
    AT SP 0 (Set Protocol to auto)
Input Voltage: DCV36 MAX
Input current:
Standby current:
Working temperature: -40°C to +85°C
Manufacture: Made in Taiwan
Warrenty: 1 year