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。
Label-Aire Micro Control Card
Sick WS24-X2301 Lichtschranke EEx
KD621220 POWER TRANSISTOR
Moeller ZB150-70 Motorschutzrelais 50-70A Moeller 278463
Siemens 3KE4530-0BA Lasttrennschalter 1000A / 690V
POTTER & BRUMFIELD RELAY # KR-11AE-120 /KR-11AgE-120ac
Lenze E84AVSCE5512SX0 Frequenzumrichter 0,55KW Inverter Drives 8400
SF400U27 Toshiba diode module
M
Moeller NZMH9-250 Leistungsschalter + ZM 9-200
CM400E3Y6-24NFH
Hoffman F22L12 12" Section of Nema 12 Hinged Cover JIC Wireway
70HFR100 10 PC LOT Standard Diode, 70A, 1Kv, Do-203Ab
SKM200GB12E4
LG LND3110R IP Dome Kamera 1,3 Mega Pixel
5STP3322L0001, ABB SCR module
N510SH16
Siemens 6ES7 148-4EA00-0AA0 Pneumatic Interface Module
AML23GBC2CA04
403PJA140, SCR/GTO /Diode Module
QBH-654
JAN1N3913
HGP2029 Mercury Wetted Relay
115N010
No Box Sealmaster NSF-31 Medium Duty Flanged Bearing
Moeller H6 Handgriff grau für vorderseitige Schalterachse ohne Zubeh?r
MODULE SKKT71/12D SKKT7112D SKKT71-12D SEMIKRON MODULE 3 pc lot
N980CH20 5 PC LOT
MCD
AMP Crimpzange für Rundkontakte DIN 72585 0,2-1mm2
8980K1
Adept VMPS VMP Servo Module
CP1-12V 100 PC LOT
Siemens 3VU1600-1MP00 Leistungsschalter 22-32A
Nice GE Fanuc IC609SJR110A Controller with IC610CCM100A Data Communications Unit
SKIIP12AC126V1 Semikron
AM1-B79DU-W