Allen-Bradley
1791-0B16
Allen-Bradley 1791-0B16 Output Module 16 Point Digital I/O PLC Automation OEM
Only 1 left
Free shippingShips today by 3 PM CT
$59.98
PLC I/O Modules
583 listings · 554 in stock
583 PLC I/O modules listings from the brands you use, each one photographed. Free shipping in the lower 48.
Honeywell
XFL521B
Honeywell XFL521B 2.03 LON Analog Input Module 8 AI 12-Bit Industrial Automation
Only 1 left
Free shippingShips today by 3 PM CT
$99.00
Out of stock – we can often source these. Request a quote.
Allen-Bradley
1769-OF2
Allen-Bradley 1769-OF2 Ser B Compact I/O 2-Channel Analog Output Module PLC Part
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1769-OF2 is back
Siemens
S5 6ES5
Siemens Simatic S5 6ES5 451-8MA11 Digital Output Module 8 Point 24VDC 1A PLC
Out of stock
Sourcing on request
Notify me when Siemens S5 6ES5 is back
Reliance Electric
45C166A
Reliance Electric 45C166A AutoMate Dual NC Contact 3A Output Module Industrial
Out of stock
Sourcing on request
Notify me when Reliance Electric 45C166A is back
Toshiba
TC32DON-1
Toshiba Machine TC32DON-1 Provisor TC200 32 Pt DC Output Module 12/24/48VDC 1A
Out of stock
Sourcing on request
Notify me when Toshiba TC32DON-1 is back
Allen-Bradley
1794-ASB
Allen-Bradley 1794-ASB Ser C FLEX I/O Remote RIO Adapter Module 24VDC PLC Part
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1794-ASB is back
Animatics
SM17205D
Allen Bradley 1756-OB32 A Control Logix 32 PT 12/24V DC D/O Module
Out of stock
Sourcing on request
Notify me when Animatics SM17205D is back
Animatics
SM17205D
Mitsubishi QY42P PLC Output Module 12/24VDC 0.1A 2A Industrial Automation OEM
Out of stock
Sourcing on request
Notify me when Animatics SM17205D is back
Fanuc
OA16D
Fanuc LTD Output Module OA16D A03B-0801-C117
Out of stock
Sourcing on request
Notify me when Fanuc OA16D is back
Allen-Bradley
1756-IR6I
Allen-Bradley 1756-IR6I ControlLogix Analog Isolated RTD Input Module 6 Channel
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1756-IR6I is back
Allen-Bradley
1746-OBP16
Allen-Bradley 1746-OBP16 SLC 500 DC Output Module 16-Point Series C 24VDC PLC
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1746-OBP16 is back
Allen-Bradley
1746-OBP16
Allen-Bradley 1746-OBP16 Ser C SLC 500 16-Point 24VDC Sourcing Output Module PLC
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1746-OBP16 is back
AEG
AS-BDAP-208
AEG Modicon DAP 208 AS-BDAP-208 Discrete Relay Output Module 8x24VDC 230VAC PLC
Out of stock
Sourcing on request
Notify me when AEG AS-BDAP-208 is back
Allen-Bradley
1771-OW
Allen-Bradley 1771-OW Selectable Contact Output Module 8-Point PLC-5 1771 Series
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1771-OW is back
Giddings & Lewis
PIC900
Giddings and Lewis PiC900 502-03549-00R3 24VDC 16PT Output Module PLC Used
Out of stock
Sourcing on request
Notify me when Giddings & Lewis PIC900 is back
Horner
HE800DAC001B
Horner HE800DAC001B HE800DAC001 Analog Output Module Industrial PLC OCS OEM
Out of stock
Sourcing on request
Notify me when Horner HE800DAC001B is back
Square D
8030-LIM-112
Square D Symax 8030-LIM-112 Input Module Industrial PLC Control Automation OEM
Out of stock
Sourcing on request
Notify me when Square D 8030-LIM-112 is back
Allen-Bradley
1771-IB
Allen Bradley 1771-IB PLC-5 DC Input Module 12-24VDC 8-Point Industrial Control
Out of stock
Sourcing on request
Notify me when Allen-Bradley 1771-IB is back
Phoenix Contact
2767972
Phoenix Contact 2767972 IBS 24 DO I Interbus-S Digital Output Module Ident 129
Out of stock
Sourcing on request
Notify me when Phoenix Contact 2767972 is back
Honeywell
621-2101R
Honeywell 621-2101R Isolated Digital Output Module 6-Point 115VAC PLC TDC 3000
Out of stock
Sourcing on request
Notify me when Honeywell 621-2101R is back
Modicon
B855
Modicon PLC Input Module 12 VDC B855 AS-B855-016 Each
Out of stock
Sourcing on request
Notify me when Modicon B855 is back
Honeywell
621-0015
Honeywell 621-0015 Isolated Analog Input Module 8-Point Industrial PLC TDC DCS
Out of stock
Sourcing on request
Notify me when Honeywell 621-0015 is back
Reliance Electric
0-57400-B
Reliance Electric 0-57400-B 115V AC/DC Input Module PLC DCS AutoMax Industrial
Out of stock
Sourcing on request
Notify me when Reliance Electric 0-57400-B is backGet a quote on PLC I/O Modules
Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities – we reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).
Guides for PLC I/O Modules
- Legacy PLCsSLC 500 End of Life: Keep Running or Migrate?Where the SLC 500 stands, which spares keep one running, and how a phased move to CompactLogix keeps downtime short.
- Parts identificationHow to Read an Allen-Bradley Catalog Number & SeriesBulletin numbers, module codes, suffixes, the series letter and firmware revision – and how each one affects whether a replacement will work.