ECX ELECTRONICS CORPORATION   |   12 Output Relay Control   |   4 Output Relay Control   |   57 Output Relay Control   |   Click here to download Demo.   |   Clock/Timer/Oxygen Indicator   |   Displays   |   General Control Modules   |   HVAC Control Module   |   Input Modules   |   Load Manager and Sequencer   |   Open Door Indicator   |   Output Modules   |   Programmable Controller   |   Programmable Logic Controller   |   Programmable Logic Controllers   |   Specific Control Modules   |   System Block Diagram