6DD1682-0AK0，西门子，西门子通讯板，价格，现货销售，

6DD1607-0EA0，西门子，西门子通讯板，SIMATIC S7-400, COMMUNICATION EXPANSION MODULE EXM 448 FOR FM 458 USED AS DP MASTER WITH CONFIGURATION SW"COM PROFIBUS" (PLEASE NOT COMPATIPLE VERSIONS OF OPERATOR

6DD1607-0CA1，西门子，西门子通讯板，SIMATIC S7-400, EXM 438-1 I/O EXPANSION MODULE FOR FM 458 4 X ANALOG OUTPUTS 16 BIT EXM 438-1 NOT SPAREPART COMPATIBLE TO EXM438

6DD1607-0CA0，西门子，西门子通讯板，SIMATIC S7-400, EXM 438 I/O EXPANSION MODULE FOR FM 458

6DD1607-0AA1，西门子，西门子通讯板，SIMATIC S7-400, FM458-1 DP APPLICATION MODULE FOR SIMATIC S7-400

6DD1682-0AF0，西门子，西门子通讯板，SIMADYN D SUBRACK SR4 12PS,WITH POWER SUPPLY UNIT SP5