Condition: working spare part, but may have cosmetic defect (broken plastic, conector missing etc), ask for more details SIMATIC S7-400, CPU 414-3 Central processing unit with: Work memory 2.8 MB, (1.4 MB code, 1.4 MB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP, 3rd interface plug-in IFM module