e200mSIMATIC ET 200M is the modular IO station for the control cabinet with hh density-channel applications for SIMATIC S7-300. The ET 200M system can be used for standard as well asJust got an Eastman AC420... I am like the Eastman factory, I know own 5 Eastman's. I have an 1. AR503 Ce 2. El Rey 3 3. E2OOM 4. AC 420 and an 5. E200p parl...