The OBD & INST Connector is a Male 25-pin Standard D Type Connector with nuts.
Pin No
Pin Function
Pin 1
Analog Input 3- do not apply voltage outside of the -10 to +10 V range
Pin 2
LIN 1
Pin 3
CAN / CAN FD Bus 3 Low signal
Pin 4
Analog Input 1 - do not apply voltages outside of the -10 to +10V range
Pin 5
Wake-Up pin to wake logger from sleep mode (for use, see Appendix 1)
Pin 6
CAN Bus 1 (Medium Speed Bus) Low Signal
Pin 7
CAN Bus 0 (High-Speed Bus) Low Signal
Pin 8
NC
Pin 9
4.5-36V Supply Voltage
Pin 10
+4.5V Instrumentation Supply Voltage, ensure that the current drawn is not more than 100mA
Pin 11
Digital Input or Output 2 - Do not apply voltages outside of the 0 to +12V range when used as an input. When used as an Output, ensure that the current drawn is not more than 100mA.
More information on the use of this pin can be found in Appendix 2 and 3
Pin 12
Digital Input or Output 0 - Do not apply voltages outside the 0 to +12V range when used as an input. When used as an Output, ensure that the current drawn is not more than 100mA.
More information on the use of this pin can be found in Appendix 2 and 3
Pin 13
CAN /CAN FD Bus 2 (Instrumentation Bus) Low Signal
Pin 14
Analog Input 2 - - do not apply voltages outside of the -10 to +10V range
Pin 15
LIN 0
Pin 16
CAN / CAN FD Bus 3 High signal
Pin 17
Analog Input 0 - - do not apply voltages outside of the -10 to +10V range
Pin 18
Analog Ground
Pin 19
CAN Bus 1 (Medium Speed Bus) High Signal
Pin 20
CAN Bus 0 (High-Speed Bus) High Signal
Pin 21
Ground - e.g. to be connected to pin 5 of the OBDII Connector
Pin 22
Power Ground - e.g. to be connected to pin 4 of the OBDII Connector
Pin 23
Digital Input or Output 3 (can also be used as a switched power supply +Vd). Do not apply voltages outside of the 0 to +12V range when used as an input.
Pin 24
Digital Input or Output 1 - Do not apply voltages outside of the 0 to +12V range when used as an input. When used as an Output, ensure that the current drawn is not more than 100mA.
More information on the use of this pin can be found in Appendix 2 and 3
Pin 25
CAN / CAN FD Bus 2 (Instrumentation Bus) High Signal