To control the original and existed gate hardware, the four individual voltage-controlled IO hardware are linked.
If the InletGate_open which connected to the DO0 of the ADAM-4050 of Gate-PC Controller is set a signal with the voltage
12V, the inlet fence of the gate is opened. After 6 seconds counting down the inlet fence of the gate closes automatically.
The OutletGate_open which which connected to the DO4 of the ADAM-4050 of Gate-PC Controller controls the outlet fence of the gate and opens it when is set a signal with voltage 12V. In addition, the Expansion_1 and Expansion_2 of Embedded Gate Hardware are connected to the DO1 and DO5 of the ADAM-4050 of Gate-PC Controller individually. If the Expansion_1 Controller individually. If the Expansion_1counter which counts and presents the total number of current available parking space subtract 1. In opposition to Expansion_1, the
Expansion__2 is set a signal with voltage 12 V once to add 1 from
the current total number of available parking space. When a valid car approaches the inlet gate,the Modular Parking Management Platform sends commands to Gate-PC Controller which will set
the DO0 and DO1 a signal with voltage 12V.