User's Manual

Product Specification and User Manual RFID GEN3 System
CONFIDENTIAL
Page 23 of 34
4.1.1 Pin A: GND
This pin is used as the RFID Post power return, to be connected to the vehicle’s main
ground.
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Table 5: GND Characteristics.
4.1.2 Pin B: CONTACT
This pin is used as an engine cut-off signal, pulled low to activate engine.
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Voltage, operating V 6 12 18
Low level when triggered V 0 --- 0.4
Table 6: CONTACT Characteristics.
4.1.3 Pin C: CAN LO
This pin is used for communication with an ECU or a diagnostic tool.
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Voltage, operating V 5
Dominant state V 0.5 --- 2.25
Recessive state V 2 2.5 3
Table 7: CAN LO Characteristics.