TPPB-02 3HNA023200-00101 Spare Parts

TPPB-02 3HNA023200-00101 Spare Parts

The internal circuit of the I/O port of TPPB-02 3HNA023200-00101 is significantly different from that of general computer systems (such as microcontroller systems), which determines that designing a matrix keyboard in PLC systems also has its own characteristics. Firstly, due to the presence of an RC filtering circuit in the input module, the filtering delay time can be set through programming software, which means that it already has a hardware jitter cancellation function, so software delay jitter cancellation is no longer required; Secondly, due to the use of the output port of TPPB-02 3HNA023200-00101, it can output a voltage of DC24V to the M terminal, so there is no need for an external power supply; Finally, since the input port of the PLC has an input resistance of about 6K, a voltage of DC24V can be directly applied. To extend the service life of the I/O port, the current limiting resistor is generally configured according to the technical specifications of the input module. After consulting, the typical value of the input current is 4mA, and R1=R2=R3=0.5K is generally taken.

TPPB-02 3HNA023200-00101 is widely used worldwide. After the urban sewage is concentrated by pipelines, the water flow first passes through a coarse grid to remove the coarse garbage. Then, the sewage is lifted by a lifting pump to increase the water head (high water head is required in the later process). Then, it passes through a fine grid and a swirling sand settling tank to further remove small garbage and mud. The sewage enters the main structure of the water treatment – the oxidation ditch. The sewage is regulated by an aeration machine in the “O” – shaped oxidation ditch, causing hypoxia and oxidation of the sewage Nitrification, denitrification, and other reactions complete the removal of BOD (biological oxygen consumption) and COD (chemical oxygen consumption), as well as the denitrification of wastewater, and prepare for the next step of water precipitation. The water treated by the oxidation ditch enters the final sedimentation tank, and Fe3+or Al3+is added to allow the (PO4) 3- in the water to precipitate. After sufficient precipitation, the clean water is finally disinfected by chlorine dioxide and discharged into the Yangtze River. The precipitated sludge is filtered and dried by a dewatering machine before being incinerated for treatment.