Basic equipment for ID3000 systems includes CPU main circuit processor, base plate with 2 analogical loop expandable to 8 with LIB3000 module, 4 output circuit, 2 input and 2 24VDC output for external equipment power supply, RS232 serie communication interface and expandable slot de interface optional for RS232 and RS485 serie. Frontal plate with LCD sceen, keypad and LEDs status system indicador. Provide a space to place, in the same chasis, 020-648 power supply or 024-543 converter module if its used as a source of power supply of 4,5 or 7A.