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。
NACHI AC SERVO MOTOR MSMA302D9V3
INDRAMAT SERVO DRIVE HDS04.2-W200N-HS24-01-FW
YASKAWA AC SERVO MOTOR SGMSV-15D3A61
ALLEN BRADLEY ULTRA3000 DRIVE 2098-DSD-030-SE PART NO: SER B
B & R SERVO MOTOR 8MSA3L.E1-30
OMRON AC SERVO DRIVER R88D-WT08H
SIEMENS LOGIC CONTROL 6ED1 052-1MD00-0BA3
TAMAGAWA SEIKI TBL-I SERIES SERVOMOTOR TS4515N3037E200
SIEMENS SIMATIC NET CP INDUSTRIAL ETHERNET 6GK7343
SIEMENS BRAKING UNIT SIMOVERT 6SE7028-0EA87-2DA0
SIEMENS OUTPUT CARD
FANUC BOARD A16BF
RELIANCE ELECTRIC FLEXPAK V*S DRIVE 2EC4075 P/N: 892.68.10 C
INDRAMAT SERVO MOTOR MHD090B-058-PP0-UN
MAGNETEK SERVO DRIVE A
YASKAWA MOTOMAN INTERFACE MODULE SGDR-AXA01A
DAYTON GEAR MOTOR 4Z522
ABS SUPER MOTOR 69BMO14CBRY1
SIEMENS SIMODRIVE 6SC6111-6DA00
SIEMENS OVERLOAD RELAY 3UA7020-1C
ALLEN BRADLEY DRIVE 1336-B025-EJF-S1
SIEMENS SERVO MOTOR 1FK7061-7AF71-1EG0
SIEMENS BRUSHLESS SERVO MOTOR 1FT6086-8AF71-4AB1
DANFOSS VLT AUTOMATION DRIVE 131B0424
FANUC AC SERVO MOTOR A06B-0506-B251
KOLLMORGEN BRUSHLESS P.M. SERVO MOTOR M-805-B-A1
FANUC POWER SUPPLY AH111
ALLEN BRADLEY AC DRIVE 1336E-C125-AN-EN
SIEMENS SERVO MOTOR 1FT6105-8AF71-4AA0
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-L1 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7083-5AF71-1SB3
SIEMENS SERVO MOTOR 1FK7103-5AF71-1SH5
OKUMA POWER SUPPLY DC-15A
ALLEN BRADLEY DC CONTROLLER 1387-B-B0A090-B32-SPD18266 SER B
SIEMENS SERVOMOTOR 1FT6041-4AF71-4DA0
SQUARE D ELECTRICAL INTERLOCK SWITCH KIT EK1020-1
MITSUBISHI SERVO MOTOR HC-SF102