The Model 7706 plug-in module offers 20 channels of 2-pole or 10 channels of 4-pole multiplexer switching with automatic CJC, as well as two analog output channels, 16 digital outputs, and one event countertotalizer. The event countertotalizer can be used to monitor and control system components, such as fixtures, limit switches, passfail indicators, external voltage sources, loads, door closures, revolutions, etc while performing mixed signal measurements. The Model 7706 is ideal for RTD, thermistor, and thermocouple temperature applications.