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。
ALLEN BRADLEY DRIVE 1336VT-B050-EAS-L1 REPAIR SERVICE
ALLEN BRADLEY AC SERVO MOTOR MPL-A320P-VJ42AA
IDEC 240W OUTPUT POWER SUPPLY PS5R-G24
SIEMENS SERVO MOTOR 1FK7063-5AH71-1AA3
SIEMENS CONTROLLER CARD 6DD1660-0AE0 CS21
FANUC CONTROLLER CARD A20BA20BF
SIEMENS SERVO MOTOR 1FK7060-5AF71-1TH2
ABB ROBOTICS SERVO MOTOR,PSP-PMB-4136
YASKAWA SERVO PACK CACR-SR05TZ6SF-E
SIEMENS MAGNET MOTOR 1FT5074-0AC01-2-Z
ABB TEACH PENDANT 3HAB
INDRAMAT AC SERVO POWER SUPPLY KDN15
ALLEN BRADLEY DC CONTROLLER 1387-B-B0A080-B39-AB-SPD18269 SER B
FANUC CONTROLLER CARD A16B
ABB SERVO DRIVE ACHP2
INDRAMAT MEMORY CARD FWB-PSM01*-GP*-09V36-MS
SIEMENS SITOP POWER10 (POWER SUPPLY) 6EP1434-1SH01
WARNER ELECTRIC ACTUATORS D24-05B5-04
INDRAMAT PERMANENT SERVO MOTOR MAC 090C-2-GD-4-C/110-A-1/WI520LV
OMRON CPU UNIT C200H-CPU01-E
YASKAWA DRIVE CIMR-H3V42P2 REPAIR SERVICE ONLY! ***FREE EVALUATION***
ALLEN BRADLEY OPTICAL INCREMENTAL ENCODER 845P-NXC7907-CN1
ALLEN BRADLEY OUTPUT MODULE 1771-OAD
ABB BOARD DSQC 256A
FANUC BOARD A20BB
FANUC BOARD A16BD
SIEMENS SERVO MOTOR 1FK7080-5AF71-1AB2
SIEMENS SERVO MOTOR 1FK7100-5AF71-1TA3
AMK SERVO MOTOR DVB0
ABB DRIVE ACSCREPAIR SERVICE ONLY!! **FREE EVALUATION**
GOULD CONTROLLER CARDREV B
BALDOR SERVOMOTOR EM7064T-C REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7060-5AH71-1AH5
SIEMENS PC BOARD 6FX1122-8BC04
YASKAWA MOTOMAN 6 AXIS SERVO CONTROLLER CACR-SV3AAA
GRETCH ELECTRONICS INC. BOARD PN 1223, I-094V-0
FANUC A06B-6092-H245#500