Inputs / Outputs

Pinout

PIN	WIRE COLOR	SIGNAL	DESCRIPTION
1	RED	Power	Main Power Cable, 8 - 60V DC
2	BLACK	GND	Electrical ground
3	ORANGE	Out2	User output: open drain output. Max. 1.8 A, 30 V
4	PURPLE	Out1	User output: open drain output. Max. 1.8 A, 30 V
5	GREEN	Rx	Serial data receiver
6	BROWN	Tx	Serial data transmitter
7	BLUE	In1	Active ground input. Detects ON when V <= 2V, OFF when V >= 2.5V or when HZ Max 30V. Zin > 50 Kohm
8	YELLOW	Ignition	Ignition status detection. Detects ON when V >= 6.1V. OFF when V <= 4.6V. Max. 30V. Zin > 30 Kohm
9	WHITE	1-Wire	3.3V Output - 50mA Max

Peripherals

• 2x Open Drain outputs - High-Current Sink 700mA. Self-resettable. Short-to-Ground detection
• 1x Ground-activated input - for assistance button or sensor monitoring
• 1x Ignition dedicated input - for engine status detection
• 1x RS232 serial port (TX and Rx only) - for configuration and accessories
• 1x 1-Wire interface - for 1-Wire Products and DCT accessories
• Bluetooth - for wireless configuration and accessories

Digital Input (In1)

Parameter	Value
Signal Type	Active ground (low-side)
Detection ON	V <= 2V
Detection OFF	V >= 2.5V or floating
Max Voltage	30V
Input Impedance	Greater than 50 kOhm

Ignition Input

Parameter	Value
Signal Type	High-side detection
Detection ON	V >= 6.1V
Detection OFF	V <= 4.6V
Max Voltage	30V
Input Impedance	Greater than 30 kOhm

Digital Outputs (Out1 and Out2)

Parameter	Value
Type	Open Drain (open collector)
Max Current	1.8 A per output
Max Voltage	30V
Total Current Sink	700mA (self-resettable)
Protection	Short-to-Ground detection

Serial RS232 Port

Signal	Wire Color	Description
TX	BROWN	Serial data transmitter
RX	GREEN	Serial data receiver
GND	BLACK	Electrical ground

1-Wire Bus

Parameter	Value
Signal	WHITE
Voltage Output	3.3V
Max Current	50mA
Supports	iButtons (up to 600 authorized), DS18B20 temperature sensors (TO0 to TO9)

See Onewire Accessories for details.