输入输出设备：它用以接收信号或输出信号，便于与PLC进行人机对话。输入的有条码读入器，输入模拟量等。输出的有打印机、编程器、监控器虽也可对PLC输入信息，从PLC输出信息，但输入输出设备实现人机对话更方便，可在现场条件下实现，并便于使用。随着技术进步，这种设备将更加丰富。
SIEMENS CONTROLLER CARD 6SN1121-0BA11-0AA1
SIEMENS CONTROLLER CARD 6RB2000-0NE00
SIEMENS CONTROLLER CARD 6FX1125-0CB01
MENTOR DC DRIVE MODULE M45R-141CD
SIEMENS SINUMERIK 820 SERVO INTERFACE CARD 6FX1121-4BA01
SIEMENS SERVO MOTOR 1FK7100-5AF71-1SH2
KUKA SERVO MOTOR 1FK6100-8AF91-1ZZ9-Z S09
ABB CONTROL BOARD DSQC 331
BAUMULLER SERVO MOTOR DSG 56-M
FANUC PC BOARD A16B
EMS DRIVE G5U-47P5
SIEMENS SERVOMOTOR 1FT6084-8AF71-1AA2
BTOS MICROBOX MBPC
INDRAMAT BRAKING RESISTOR DZB01.1-W720 N
ALLEN BRADELY FIXED-DEPTH FLANGE-MOUNTED DISCONNECT SWITCH 1494F-N30
CONTROL TECHNIQUES DRIVE MD (PART NO: )
ALLEN BRADLEY COMMUNICATION MODULE
ALLEN BRADLEY SLC 500 PROCESSOR UNIT 1747-L30A SER A
SIEMENS SINAMICS CONTROL SUPPLY MODULE 6SL3100-1DE22-0AA1
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GH5
ABB MAGNET SERVO MOTOR T6C4BR1209
GENERAL ELECTRIC AC INDUCTION MOTOR
SIEMENS MOTOR 1FK7060-5AF71-1EHO
NSK SERVO DRIVE
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GA0
DIRECT LOGIC CONTROLLER CARD F2-02DA-2
BL SUPER SERVO AMPLIFIER 68BA050VXT3C
BALDOR AC SERVO DRIVE SD23H2A16-E
MITSUBISHI AC SERVO MOTOR HA-A150B
MITAUBISHI CARD BN634A6167G52
BALDOR SERVO MOTOR BSM80N-275AA
ALLEN BRADLEY AC SERVO MOTOR TLY-A2540P-HJ64AA
YASKAWA SERVOPACK CACR-PR03AC4ER REPAIR SERVICE ONLY!! FREE EVALUATION!!!
FANUC AC SERVO MOTOR A06B-0235-B605
SIEMENS MICROMASTER 4 PROFIBUS MODULE 6SE6400-1PB00-0AA0
SANYO NUTRUNNER DRIVER STMN-DR-040B(U)
ALLEN BRADLEY DRIVE 1336F-A025-AA-EN REPAIR SERVICE