The MCC132-16IO1B with SCR Modules BIPOLAR MODULE - THYRISTOR Y4 manufactured by IXYS is a 16-channel digital output and input board specifically designed for applications that require the use of a semiconductor switching device. It features an embedded switching device in each module, which contains eight input channels connected to the main logic path, and eight output channels connected to each of the outputs. The unit has dualSCR switch driver module which provides fast switching of the output channels in combination with variable load current. The board supports both standard and high voltage operations. It is fully compatible with Modbus ASCII protocol and offers a variety of protection features such as over-current, over-voltage, and current limiting, as well as thermal protection.