虽然这里不是传动板块，但是为了大家下载方便，补上MM4的文件链接：
MICROMASTER 420/440 Frame size A

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSA/FSA_1790a004_dxf.zip

MICROMASTER 420/440 Frame size B

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSB/FSB_1790a005_dxf.zip

MICROMASTER 420/430/440 Frame size C

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSC/FSC_1790a006_dxf.zip

MICROMASTER 430/440 Frame size D

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSD/FSD_620012941100_dxf.zip

MICROMASTER 430/440 Frame size E

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSE/FSE_620012951100_dxf.zip

MICROMASTER 430/440 Frame size F with filter

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSF_FIL/FSF_FIL_620011962200_dxf.zip

MICROMASTER 430/440 Frame size F without filter

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSF_NFIL/FSF_NFIL_620011962100_dxf.zip

MICROMASTER 430/440 Frame size FX

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSFX/FSFX_a5e00157267_dxf.zip

MICROMASTER 430/440 Frame size GX

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/FSGX/FSGX_a5e00157273_dxf.zip

Operator panel door mounting kit

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/options/1790a005a_a7-dxf.zip

Pulse encoder evaluation module

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/options/1790a210a-dxf.zip

PROFIBUS module, DeviceNet module, CANopen module

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/options/1790a220a-dxf.zip

Basic Operator Panel (BOP), Advanced Operator Panel (AOP)

http://www2.automation.siemens.com/sd/umrichter/ftp/MM4/options/1792a200a-dxf.zip