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。
RELIANCE ELECTRO-CRAFT IQ 2000 PDM-75 9101-2164
RELIANCE ELECTRIC DISTRIBUTED POWER MODULE 803612 RC
RELIANCE 100 HP MAXPAK III DC DRIVE MODULE M/N 100P8171
RELIANCE ELECTRIC SERVO MOTOR 1326AB-B520E-21, 155324
RELIANCE ELECTRIC SERVO MOTOR 1326AB-B515E-21-L
RELIANCE ELECTRIC SERVO MOTOR 1326AB-B520E-21
Reliance Electric AC Servo VZ3000 UVZC3202
Reliance Electric: GV3000/SE Sensorless Enhance AC Drv
Reliance Electric 0-51893-7 FCCC Module
Reliance Electric 40 HP Variable speed drive 2GU41040
RELIANCE/ELECTRO-CRAFT 9101-0314/DM-150X SERVO DRIVE
RELIANCE UBZ3475/UVZ3475 VZ3000 BUS UNIT AC SERVO*XLNT*
