PLC Input & Output Modules
Upgrade your PLC system with used input & output modules. Popular brands include, Opto 22, Allen-Bradley, Cognex, AEG, Modicon and more.
Showing 1–20 of 236 resultsSorted by latest
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Siemens 6ES7231-5QD30-0XB0 SIMATIC S7-1200 SM1231 AI 4 x TC Analog Input Module
$340.00 Add to cart -
Siemens 6ES7222-1HF30-0XB0 SIMATIC S7-1200 SM1222 RLY Digital Output Module
$315.00 Add to cart -
Siemens 6ES7223-1QH30-0XB0 IMATIC S7-1200 SM1223 16DI/16DO Digital I/O Module
$710.00 Add to cart -
Siemens 6ES7222-1HH30-0XB0 SIMATIC S7-1200 SM1222 16DO Relay Output Module
$240.00 Add to cart -
Allen-Bradley 5069-OB16 Compact 5000 DC Source Output Module Series B FW 3.012
$265.01 Add to cart -
Allen-Bradley 1756-IB16 ControlLogix Digital Input Module, 16pt, 12/24VDC, Ser A
$45.00 Add to cart -
Allen-Bradley 2080-LC10-12QBB Micro810 Smart Relay Controller Ser A FW 7.012
$95.00 Add to cart -
Allen-Bradley 1734-OE4C 4 Point Analog Output Module Ser C
$225.00 Add to cart -
Allen-Bradley 1734-IV8 8 Point Digital Input Module Ser C
$45.00 Add to cart -
Allen-Bradley 1734-OV8E 8 Point Digital Output Module Ser C
$55.00 Add to cart -
Phoenix Contact IB IL 24 DO 16-PAC/SN 2862961 Inline Digital Output Module 24V
$240.00 Add to cart -
Phoenix Contact IB IL 24 DI 16-PAC/SN 2862958 Inline 16CH Digital Input Module
$214.99 Add to cart -
Allen-Bradley 2080-LC10-12QWB Micro810 Smart Relay Controller 12I/O SerA FW7.012
$174.99 Add to cart -
Spectrum Controls A-B 1769sc-IF8u 8 Channel Universal Analog Input Module Ser A
$1,180.00 Add to cart -
Allen-Bradley 5069-IB16 Logix 5000 Compact DC Input Module, Ser A, FW 2.015
$215.00 Add to cart -
Allen-Bradley 1769-IF4 Analog Current/Voltage Input Module 4 Channel Ser B FW3.2
$290.00 Add to cart -
Allen-Bradley 1769-OF4 Analog Current/Voltage Output Module 4 CHNL Ser A FW 1.1
$415.00 Add to cart -
Allen-Bradley 1769-IF4 Analog Current/Voltage Input Module 4 Channel Ser B FW2.1
$264.98 Add to cart -
Allen-Bradley 1794-IB16 Digital Input Module 16 Point Ser A with 1794-TB3 Termin
$30.00 Add to cart -
IDEC FT1A-H12RA SmartAXIS CPU Module, 12 I/O, DC Power
$224.99 Add to cart