CP1L Programming software Software to program the CP1L and CP1E range of Omron PLCs Note that software licences are not included with the software itself (705-5846 ), the lite and full licences are available as stock numbers 705-5855 & 668-5477 respectively Omron CP1L CPU's, Expansion Modules and Accessories Omron's CP1L series offers the compactness of a micro-PLC with the capability of a modular PLC. The range is not only compact, it is scaleable too, and has a faster processing speed than other controllers.