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。
LENZE/ AC TECHNOLOGY DRIVE L15400D REPAIR SERVICE
Mitsubishi Servo Motor HA83CS
ALLEN BRADLEY AC SERVOMOTOR 1326AS-B690E-21 , PART NO: SERIES A
BOSCH SERVO MOTOR SF-A2.0020.030-10.050
NEMATRON PANELVIEW GL-5PV8-PC1
ALLEN BRADLEY DRIVE 1336-B015-EJE-S1
ABB SERVOMOTOR PS P-LSS-3935, ART NO: 3HAB
BALDOR BSM80A-275AA SERVO MOTOR
FANUC SERVO DRIVE A06B-6050-H002
FANUC DC SERVO MOTOR 20M
CONTROL CIRCUIT TRANSFORMER X-21090
SIEMENS SIMODRIVE 6SN1123-1AA00-0HA0
CINCINNATIMILACRON ESD SERVICE PART A
NEW LISTING IXYS SEMICONDUCTER MODULE MUBW50-12A8
OMRON EXPENSION CABLE C200H-CN311
SIEMENS SERVOMOTOR 1FT5064-0AC71-1-Z
PILZ SAFETY RELAY PNOZ X2P 24VACDC 2n/o (ID NO: 777303 )
CUSTOM SERVO MOTORS MPM 664T2-1466
ALLEN BRADLEY SMC FLEX DRIVE 150-F85NCDD SER B
GETTYS THREE PHASE HALF WAVE CONTROLLER
BER DRIVE 7CP
CONDOR POWER SUPPLY HAA15-0.8-A, HAA15-0.8-A+
EMERSON SERVOMOTOR NTE-212-CONS-0000
ACOPOS MODULE BAC120.60-1
ALLEN BRADLEY CONDUCTOR 100-F
ALLEN BRADLEY POWERFLEX 40 DRIVE 22D-D4P0N104 SER. A
SIEMENS MODULE RACK 6FC5111-0CA73-0AA1
AEG MODICON POWER SUPPLY P810 AS-P
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SG2
SIEMENS SIMATIC S5 6ES5420-4UA12
STOBER GEARBOX P521SGZ0040ME
SIEMENS SERVO MOTOR 1 FT5074-0AF01-2-Z
SIEMENS SIMODRIVE 160A 6SN1124-1AA00-0EA1
INDRAMAT SERVO DRIVE RAC2.A00-Z1
PANELVIEW,FPM-154T
SIEMENS SERVO MOTOR 1FT6062-1AF71-2EH1
SIEMENS VARIABLE SPEED AC MOTOR DRIVES VSD57CD33SS66 M