描述
用户可以选用不同档次的CPU模块、品种繁多的I／O模块和特殊功能模块，对硬件配置的选择余地较大，维修时更换模块也很方便。有的模块式PLC(如西门子的S7-300系列PLC)没有机架，各模块安装在铝质导轨上，相邻的模块之间用模块下面的U形总线连接器连接。
ALLEN BRADLEY/GUARDMASTER 440L/R4H3400-N SENSOR **NNB**
ABB DSQC 249B/3HAA3563-AHA/1 SERVO AMPLIFIER ***XLNT***
KEYENCE CV-070 CAMERA CCD NO LENS MACHINE VISION *NIB*
MELLES GRIOT INVARITAR 59 LGJ 423 CAMERA LENS **XLNT**
ALLEN BRADLEY 2706-B41J31 DATALINER***NIB***
ALLEN BRADLEY F-4050-Q-H00AN SERVO MOTOR 2.5KW **NIB**
ELTRON QB440S/C QUALABAR 440 PRINTING SYSTEM ***XLNT***
ALLEN BRADLEY 1333-BAB/D+ 3HP AC DRIVE**NIB**
BASLER BE1-47NE3FE1PC3T3F PHASE SEQUENCE RELAY **NIB**
FANUC A16B-2400-0010 PC BOARD ***NNB***
ALLEN-BRADLEY 512-AJA-6P-24R STARTER W/ DISCONNECT*NIB*
HONEYWELL 30731811-001 OUTPUT MODULE **XLNT**
