Allen-Bradley
1769-IQ16
Allen-Bradley 1769-IQ16 Ser A Compact I/O 16 Point 24VDC Input Module PLC Part
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PLC I/O Modules
710 listings · 584 in stock
710 PLC I/O modules listings from the brands you use, each one photographed. Free shipping to all 50 US states.
Allen-Bradley
1769-IQ16
Allen-Bradley 1769-IQ16 Ser A Compact I/O 16 Pt 24VDC Sink/Source Input Module
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Allen-Bradley
1734-OB8
Allen-Bradley 1734-OB8 Ser C POINT I/O 8 Point 24VDC Source Output Module PLC
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Allen-Bradley
1734-TOPS
Allen-Bradley 1734-TOPS Series A POINT I/O Spring Clamp Terminal Base Module
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Allen-Bradley
1734-TOPS
Allen-Bradley 1734-TOPS Ser A POINT I/O Terminal Base Spring Clamp Module Mount
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Reliance Electric
45C166A
Reliance Electric 45C166A AutoMate Dual NC Contact 3A Output Module Industrial
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Toshiba
TC32DON-1
Toshiba Machine TC32DON-1 Provisor TC200 32 Pt DC Output Module 12/24/48VDC 1A
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Allen-Bradley
1794-ASB
Allen-Bradley 1794-ASB Ser C FLEX I/O Remote RIO Adapter Module 24VDC PLC Part
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Allen-Bradley
1746-OX8
Allen-Bradley 1746-OX8 SLC 500 Isolated Relay Output Module 8 Point Series A
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Mitsubishi
QX41
Mitsubishi QX41 MELSEC-Q Input Unit Module 32 Point 24VDC 4mA PLC DC Positive
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Mitsubishi
A1SX40
Mitsubishi A1SX40 MELSEC Input Unit Module 16 Point 12/24VDC 3/7mA A1S PLC DC
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Allen-Bradley
1771-OFC
Allen-Bradley 1771-OFC Analog Output Module 12 Bit PLC-5 Industrial Automation
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Mitsubishi
AJ65SBT-62DA
Mitsubishi AJ65SBT-62DA CC-Link Digital Analog Output Module PLC Compact I/O
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Mitsubishi
A6TBXY36
Mitsubishi A6TBXY36 Sink Input/Output Terminal Board 36-Point PLC Industrial OEM
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Mitsubishi
QX41
Mitsubushi QX41 Input Unit 24VDC 4mA
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Allen-Bradley
1756-IB32/B
Allen Bradley 1756-IB32/B REV B02 24VDC 32 PT 10-31 2VDC 5.5mA
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Mitsubishi
QY41P
Mitsubishi QY41P 12/24VDC 0.1A
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Allen-Bradley
1756-OB32
Allen Bradley 1756-OB32 A Control Logix 32 PT 12/24V DC D/O Module
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Mitsubishi
QY42P
Mitsubishi QY42P PLC Output Module 12/24VDC 0.1A 2A Industrial Automation OEM
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Mitsubishi
QX42
Mitsubishi MELSEC-Q QX42 PLC Input Module 24VDC 4mA Industrial Automation OEM
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Allen-Bradley
1771-IBD
Allen Bradley 1771-IBD B Rev E03 16Pt Digital Input Module 10-30VDC PLC-5 OEM
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Foxboro
FBM207
Foxbro FBM207 P0914TD I/A Series 16 Input Channel
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Mitsubishi
QX539B
Mitsubishi QX539B BN634A524G5I QX539 CDP32 CDJ32
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Allen-Bradley
1794-IB16
Allen Bradley 1794-IB16 24VDC Input Module
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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 and we reply within 1 hour during business hours (Mon to Fri 9 to 4:30 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.
Troubleshooting guides
- TroubleshootingPLC I/O Module Fault or Not Responding: First ChecksModule status LEDs on ControlLogix, SLC 500, S7-300 and S7-1500 I/O, the Logix connection codes (16#0204, keying 16#0114/0116), power, slot, keying and field wiring checks.
- TroubleshootingPLC Won't Go to RUN? Allen-Bradley Mode and Fault ChecksKeyswitch and mode-switch positions, the faults that block RUN, firmware and project mismatches, missing or wrong I/O modules, forces, and the order to check them in.
- TroubleshootingControlLogix & CompactLogix Major Fault Codes ExplainedMajor fault types and codes (T01 power-up to T07 memory), where to read them in Studio 5000, minor vs major vs I/O faults, the first checks and clearing a fault safely.
- TroubleshootingSiemens S7-300/S7-400 SF & BF LEDs and Diagnostic BufferSF vs BF (and INTF, EXTF, BUSxF on the S7-400), steady vs flashing, reading the diagnostic buffer in STEP 7, and the first checks for modules, PROFIBUS, PROFINET and backup batteries.