6DD1607-0AA0，西门子，西门子通讯板，SIMATIC S7-400, FM 458 APPLICATION MODULE FOR SIMATIC S7-400

6DD1681-0GK0，西门子，西门子6DD主板，SIMATIC TDC, CONVERTER SU13 50 TERMINALS (1:1 CONNECTION)

6DD1606-4AB0，西门子，西门子6DD主板，SIMADYN D I/O SUBMODULE IT42 FOR PM4/PM5/PM6 16 BI, 16 BO, 4 AI (A/D), 4 AI (V/F), 4 AO

6DD1681-0GA0，西门子，西门子6DD主板，SIMADYN D INTERFACE MODULE SE60 FOR BATTERY

6DD1681-0FG0，西门子，西门子6DD主板，SIMADYN D CONVERTER SU10 26-POLE 26 SCREW-PLUGIN-TERMINALS 26-POLE PLUG

6DD1606-3AC0，西门子，西门子6DD主板，SIMADYN D I/O SUBMODULE IT41 FOR PM4/PM5/PM6 16 BI, 16 BO, 4 AI, 4 AO, 4 ENCODER INPUTS