Provides a physical system on which students can gain experience in the programming of programmable logic controllers (PLCs). The process is a model of a two-tank system typical of a chemical process in which liquids are measured before being mixed. The task for the student is to control liquid level and flow. For use with the PLC Trainer (CE123).

ESSENTIAL BASE UNIT:  The CE111 is part of a modular system and needs the following base unit