Allen-Bradley
1746-OA16
Allen Bradley 1746-OA16 C-8730-4252-4 Ser D
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$1,999.70
PLC I/O Modules
581 listings · 552 in stock
581 PLC I/O modules listings from the brands you use, each one photographed. Free shipping in the lower 48.
Allen-Bradley
1794-TB3
Allen-Bradley 1794-TB3 Ser.a 96145476 REV.A01 120VAC 10A 5VDC 640MA
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$10.00
Bailey
IMASM02
Bailey IMASM02 Infi 90 Analog Slave Module 15VDC 2.5VA
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$234.99
Industrial part
D4-16TR
PCL Direct D4-16TR Output Module
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$34.99
Allen-Bradley
1762-0B8
Allen-Bradley 1762-0B8 Ser.a Rev.b 24VDC
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$47.99
Moore Industries
Moore Industries MDS/PRG/PRG/10-30DC-MAO Equatio
Moore Industries MDS/PRG/PRG/10-30DC-MAO Equation Station Distributed I/O Module
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$178.89
Trane
X13650344-01
Trane X13650344-01 Chiller Relay Output Control Module UCP1 HVAC Controller Part
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$53.89
Trane
X13650344-03
Trane X13650344-03 Rev D Chiller Relay Output Module UCP1 MOD00028 HVAC Control
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$79.89
Industrial part
SP 50 Digital Input Board 16 Point PLC I/O Modul
SP 50 Digital Input Board 16 Point PLC I/O Module Card Setex Logimat Industrial
Only 2 left
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$498.89
Setex
SP051/0
Setex SP051/0 SP 51 BG300003 Digital Output Module OUT 16 Relay Card PLC 24VDC
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$171.89
TDK
24-2R1
TDK EAK 24-2R1 Switching Power Supply 24VDC 2.1A Output 100/115VAC Input Module
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$22.89
Setex
SP050/0
Setex SP050/0 SP 50 Digital Input Module BG 300 002 Logimat P160 PLC I/O Card
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$117.89
AutomationDirect
D2-16TD1-2
AutomationDirect D2-16TD1-2 DL205 16-Point DC Output Module 12-24VDC Sinking PLC
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$87.89
Allen-Bradley
1771-IFE/C
Allen-Bradley 1771-IFE/C Analog Input Module 12 Bit PLC-5 Ser C Rev H01 96188672
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$115.89
Allen-Bradley
1771-IXE
Allen-Bradley 1771-IXE Ser B Thermocouple Millivolt Input Module PLC-5 96082874
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$59.89
Allen-Bradley
1720-A1221
Allen-Bradley 1720-A1221 Ser D Solid State Logic 4 AC Input Cardlok Module Card
Only 1 left
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$198.89
Siemens
505-4632
Siemens TI 505-4632 Simatic 505 PLC 32 Point AC Output Module Industrial Control
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$19.89
Siemens
505-4332
Siemens TI 505-4332 Simatic 505 PLC 24VDC Input Module Automation Industrial
Only 1 left
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$17.89
Conta-clip
3R715482E
Conta-Clip 3R715482E Input Module Stork Contiweb 230V 50/60Hz DIN Rail Interface
Only 1 left
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$207.89
Omron
CQM1-OD215
Omron CQM1-OD215 Transistor Output Unit 24VDC 8 Point PLC I/O Module Automation
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$138.89
Siemens
6ES7133-1BL01-0XB0
Siemens 6ES7133-1BL01-0XB0 SIMATIC ET 200L Digital Input Output Module 24VDC PLC
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$112.89
Siemens
6ES7322-1HF20-0AA0
Siemens 6ES7322-1HF20-0AA0 SIMATIC S7-300 SM322 Relay Output Module 8DO 230V 5A
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$26.89
Siemens
6ES7321-1BH02-0AA0
Siemens 6ES7321-1BH02-0AA0 SIMATIC S7-300 SM321 Digital Input Module 16DI 24VDC
Only 2 left
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$21.89
Mitsubishi
A1SX42
Mitsubishi A1SX42 Input Unit DC 12/24V 2/5mA MELSEC PLC I/O Module Industrial
Only 1 left
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$17.89
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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.