Advantech's ADAM-3656-AE with I/O Modules 8-ch DO Module is a digital I/O module for its ADAM-3600 series and is designed to connect with 8-channel digital output (DO) devices. Featuring a wide temperature range of -25°C to 70°C, the module is capable of managing sinking and sourcing current load up to 200mA. It can be used to switch the output of a signal, allowing it to acquire inputs without any signal loss, and features a 12-bit A/D converter with 8 digital input channels. The module also offers connectors that support daisy-chain wiring, making it easy to setup and configure quickly. Key features include 8-channel digital output (DO), wide temperature range -30°C ~75°C, 12 bit A/D converter with 8 digital input, connectors for daisy-chain wiring, an integrated Modbus protocol, and built-in dual-watchdog function.