I'm a new group member. I'm current developing a product on an CTC PLC but I'd like to produce the product using a lower cost PLC. Basically I need ~10 DI's, 20 low current DO's, and ~20 AI's. I'm not asking for a specific model PLC to be identified I just need to be pointed to some mfgs that may offer this product at a lower cost. I have been cruising the net but my eyes are starting to cross . Thanks Dave