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。
FANUC ENCODER DIVIDER CABLE AT182
ALLEN BRADLEY DRIVE 1336-B025-EJF-L3
SIEMENS SERVO MOTOR 1FK7042-5AK71-1AA5
SIEMENS SINUMERIK BOARD 6FX1125-7BA00
CONTROLLER CARD
SIEMENS MAGNET MOTOR 1FT5062-0AF01-2-Z
YASKAWA ELECTRIC PM SERVOMOTOR UGJMED-80MA20F
GETTYS PERMANENT MAGNET SERVO MOTOR M344-K70A-0601
INDRAMAT SERVO MOTOR MHD112B-024-PP0-LN
ALLEN BRADLEY DRIVE 1336VT-B050-EOS REPAIR SERVICE
SIEMENS SERVO MOTOR 1FT3070-5AZ21-9-Z-S13
MITSUBISHI SERVO DRIVE MDS-A-V2-2020
ELWOOD SERVO MOTOR 1326AS-B310H-21
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EG5
SIEMENS SIMATIC S5 6ES5942-7UA12
INDRAMAT SERVO MOTOR MAC112D-0-ED-4C/130-A2/WI520/S013
SIEMENS POWER SUPPLY E/R-MODUL EXT.80/104KW 6SN1146-1BB00-0EA1
SIEMENS DIGITAL OUTPUT MODULE 6ES5453-4UA12 ( BRAND NEW , OPEN BOX)
FANUC SERVO DRIVE A06B-6050-H104
CONTROL TECHNIQUES SERVO MOTOR MGE-455-CONS-0000
MITSUBISHI SERVOMOTOR HF-SP202BK
SIEMENS DIGITAL OUTPUT MODUL 6ES5454-7LA11
ABB SERVOMOTOR PS P-LSS-3985, ART NO: 3HAB
YASKAWA SERVOPACK DRIVE SGDB-15VD
STEGMANN ENCODER DG 60D 1000
SOLA SURGE SUPPRESSOR STV25K-10S
FANUC POWER SUPPLY MODULE A06B-6081-H101
INDRAMAT BRUSHLESS MOTOR,MAC112D-0-ED-4-C/130/A-2/MR121-/S013
RESOLVER 3-124-A137A
INDRAMAT SERVO DRIVE RAC3.A00-Z1-220
SIEMENS SERVO MOTOR 1FK7083-5AF71-1SG0
GOULD CONTROLLER CARD REV B
ABB DISPLAY MODULE CDP 311
SIMATIC S5 1P6ES5095-8MB02
SIEMENS SERVO MOTOR 1FK7032-5AK71-1SB0
SIEMENS SERVO MOTOR 1FK7080-5AF71-1TG0
SIEMENS SERVO MOTOR 1FK7063-5AH71-1SH3