There are 3 models in the range, CUSB-22R, CUSB-30R and the CUSB36R. These DIN-rail mount PLC's have a different mix of I/O, but all have mains relay outputs, opto-inputs, analogue inputs, PWM outputs, counter/timers, simple connections to a LCD and keypad and two RS232 ports. These can be easily reconverted for RS485 multi-drop use and the CUSB can be programmed for use as both MODBUS master or slave.
The CUSB PLCs use the FREE CublocStudio application for program development. With CuBlocStudio you can write your BASIC and/or Ladder programs, simulate and de-bug and download to the CUSB PLC. CuBlocStudio has Ladder logic monitor and Time Chart tools to help with debugging.
The CUSB PLC can handle a wide variety of small to big applications while using only a fraction of the space of a full-size controller at a fraction of the price.
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