南京能瑞的集中器程序，运行在振中掌机tp900.对集中器进行读写操作。-Nanjing Rui centralized program can run in the handheld vibration tp900. Perform read and write operations on the concentrator.

RS232转rs485串口与变频器控制上位机软件，能够选择当前串口，实现变频器的读、写，运行、停机等操作-RS232 to rs485 serial port with the frequency converter control PC software, be able to select the serial port, the realization of frequency converter to read, write, run, stop operation, etc