描述
控制规模主要指控制开关量的入、出点数及控制模拟量的模入、模出，或两者兼而有之（闭路系统）的路数。但主要以开关量计。模拟量的路数可折算成开关量的点，大致一路相当于8～16点。依这个点数，PLC大致可分为微型机、小型机、中型机及大型机、超大型机。
TEL ACT 12 IRA Driver Assy CT2987-416031-W4 working
TEL ACT 8 IRA Driver Assy CT2987-406077-15 working
TEL ACT 12 Temp Control REX-B870-CS1B CT2986-430279-W1
TEL ACT 12 Panasonic Driver Assembly MSD261Y21 working
Tokyo Electron TEL ACT8 Spinner I/O PCB 2980-090661-13
TEL ACT 8 Oven I/O Board TKB2121 CT2986-440809-13
TEL ACT 8 / 12 Motor I/O Board TKB3100 AP9E-0318B-11
TEL ACT 8 / 12 Motor I/O Board TKB3100 AP9E-0318C-12
TEL ACT 8 / 12 WEE I/O BOARD TKB2241 CPC-G191B01A-11
TEL ACT 8 / 12 OVEN I/O BOARD TKB2121 CPC-G227B01A-11
TEL ACT 8 / 12 MOTOR I/O BOARD TKB2133 CPC-G221D01A-11
