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 SINAMICS ACTIVE LINE MODULE 6SL3130-7TE31-2AA3
TOSHIBA POWER MODULE (IGBT) MG50G6EL1
SIEMENS SERVO MOTOR 1FT6034-1AK71-1AG1
TELEMECANIQUE CONDUCTOR LC1D80
YASKAWA SERVOMOTOR SGMP-02A8YR11
ABB DRIVE DSQC346A, 3HABE
BK PRECISION 1474
FANUC AC SPINDLE MOTOR A06B-1008-B100
TELEMECANIQUE DRIVE *AS IT IS* ATV58HD16N4
ALLEN BRADLEY DRIVE 1336-B025-EOF-L1
SIMENS POSMO 75 W WITH GEARBOX 6SN2132-1CU11-1BA1
GETTYS PERMANENT MAGNET SERVO MOTOR
FANUC CONTROLLER BOARD A16BA
INDRAMAT BRUSHLESS SERVO MOTOR MAC115D-0-CS-4-C/130-A-0/WI520/S001
PORTER PEERLESS SERVO MOTOR
SIEMENS SERVO MOTOR 1FK7100-5AF71-1EA3
ALLEN BRADLEY PANEL VIEW 2711-T9A2
FANUC A05B-2301-C371 Teach Pendant Repair Price Only!!!
EMERSON SERVO MOTOR DXM-340W
SUMTAK OPTCODER LEI
SIEMENS SIMATIC S5 6ES5454-4UA12
SIEMENS CIRCUIT BOARD 65C170-0FC50
SIEMENS SERVO MOTOR 1FT6105-1AC71-2EH1
MITSUBISHI PC CONTROL BOARD ASSEMBLY MC323
SIMENS POSMO 75 W WITH GEARBOX 6SN2132-1BF11-1BA1
YASKAWA SERVO DRIVE SGDA-A3AS
ISOLTRA TRANSFORMER ,UJ
SCHNEIDER TSX COMPACT NEW OPEN BOX AS-BDAP-208
SIEMENS DIGITAL INPUT MODULE (SP) 6ES5431-7LA11
FANUC BOARD A16BB
ALLEN BRADLEY DRIVE 1336-B015-EAE-L1
FANUC CONTROLLER CARD A16BA
KOLLMORGEN SERVOSTAR DRIVE SERVOSTAR 614
SIEMENS SERVO MOTOR 1 FT5074-0AC01-0-Z
HEIDENHAIN ENCODER R0DB-1250
DEIMOTION DIGITAL DRIVE SYTRAMA F1C0NVCMT00V006
ALLEN BRADLEY ADAPTE 1771-ASC