Acromag SM21-TR Printed Circuit Board Assembly is a replacement PCB identified as PC BOARD1018-331, revision 1103-116A, and is described with an EN designation and a Type J input configuration. This standalone SM21-TR board is designed for use within Acromag's 500 Series platform, serving as the thermocouple input component that mates with compatible I/O modules and backplanes. The SM21-TR designation and its accompanying part identifiers indicate its role as a temperature-sensing input board within Acromag’s ecosystem; ensure your system’s chassis, connectors, and Type J configuration are compatible before ordering.
