MCT4 – 1/4 DIN – Control with up to 3 expansion cards with 1 being a FM Limit, NEMA 4X/IP65, Paperless recorder/data logger, Email/SMS on alarm, Math/Logic/Timers

PCM (Process Control Module) – 1 – Universal input, with up to 4 outputs of various types. These PCM modules can be installed in slots 1/2/3.

HLM (High Limit Module) -1 – Input types are either Thermocouple, Voltage or Current (configuration for each input type is configured via DIP switches on the card with up to 2 outputs of various types. The HLM module can only be installed in slot 2/3.