The Omron CJ1W-MAD42 is an analog I/O module from the CJ series special I/O unit lineup, designed to deliver precise analog signal processing in industrial automation systems. It features 4 analog input channels with selectable ranges of -10 to 10 V, 0 to 10 V, 0 to 5 V, 1 to 5 V, or 4 to 20 mA, along with 2 analog output channels that support the same voltage and current ranges. The CJ1W-MAD42 is equipped with photocoupler isolation between the I/O and internal circuitry, ensuring stable performance and electrical protection in demanding environments. External wiring is facilitated by an 18-point detachable terminal block, simplifying installation and maintenance. This module may be applied in automation systems across North America, Europe, Asia, and worldwide, providing accurate analog control and reliable signal conversion for process and machine applications.