The Allen-Bradley 1785-L40E is a PLC5 controller from Allen-Bradley. It offers 48K words of user memory and supports up to 2048 I/O points, which can be configured as any mix of inputs and outputs, or alternatively as 2048 inputs and 2048 outputs in a complementary configuration.
The Allen Bradley 1785-L40L PLC-5/40L Standard Processor is a reliable control solution with a maximum of 2048 analog I/O points and 48 kilowords of memory. It operates with a backplane current of 3.3 Amperes at 5 volts, making it ideal for a variety of industrial automation applications.