Specifications

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10
2）Send heartbeat to the machine regularly when the connection is normal.
In case of disconnection failure or removal of the anti-dismantling wire, send the
removal alarm to the machinery, and send the removal alarm information to the
management platform as far as possible according to the requirements of table H.2
and H.10. The alarm information includes the removal status, removal time and
positioning longitude and latitude information. The alarm system shall be activated
when the machine receives the dismantling alarm or the anti-dismantling heartbeat
exceeds 5 minutes.
7 Performance requirement
7.1 Electrical adaptability
7.1.1 Start time
The time from power on operation to real-time data acquisition of vehicle
terminal shall not exceed 60s.
7.1.2 Operating voltage range
The working voltage range of the vehicle terminal meets the requirements of
Table 1. According to the test method of ISO 16750-2:2010 (4.2), all functions of the
vehicle terminal during and after the test are at grade A defined in ISO 16750-1.
DC power
supply system
Minimum
operating voltage
Maximum
operating voltage
12/24 8 32
Table 1 Working voltage range Unit: Volts