BDC38 is a single-channel programmable counter with simplified programming. The device has a 4-digit display and can count up to 9999 input pulses. BDC38 may work as up or down counter and has a relay output for switching on and off electrical actuators. Relay output action at reaching the preset counter value is user programmable. BDC38 offers 4 counting modes and 2 output action modes. It features optical input isolation, and, optionally, an additional RESET input. The universal input allows connection of both mechanical contacts and electronic sensors. A software preliminary multiplying coefficient enables counting several units at each pulse. With its compact size, easy programming, and attractive price, the BDC38 counter is widely used in machine manufacturing and various other areas.