The 2556-A is a high-speed 16-channel isolated thermocouple input module designed to be compatible with the 2500 Series® I/O base. The 2556-A translates millivolt level signals from the thermocouple element into a scaled temperature value. Multiple thermocouple types are supported as well as millivolt inputs.  IMPORTANT NOTE: 2556-A REQUIRES 2559-FPC WIRING CONNECTOR, PURCHASED SEPARATELY.