Allen-Bradley
1746-P2
Allen-Bradley 1746-P2 SER C SLC 500 Chassis Power Supply 85-265VAC 50/60HZ 5A
Out of stock
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PLCs & Automation
2,686 listings · 2,257 in stock
2,686 PLCs & Automation listings in 6 categories, from makers like Allen-Bradley, Siemens, Mitsubishi. Surplus, used and new-surplus, every item photographed. Free shipping to all 50 US states and zero lead time on everything in stock.
Categories in PLCs & Automation
Reliance Electric
45C166A
Reliance Electric 45C166A AutoMate Dual NC Contact 3A Output Module Industrial
Out of stock
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Siemens
3RG9002-0DA00
Siemens 3RG9002-0DA00 AS-Interface Module 4E/4A 4 In 4 Out 24VDC PNP Automation
Out of stock
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Toshiba
TC32DON-1
Toshiba Machine TC32DON-1 Provisor TC200 32 Pt DC Output Module 12/24/48VDC 1A
Out of stock
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Siemens
S5 6ES5942-7UB11
Siemens Simatic S5 6ES5942-7UB11 CPU 942 S5-115U Central Processor PLC Module
Out of stock
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Reliance Electric
0-57407-4J
Reliance Electric 0-57407-4J 57407-4J DCS 5000 Processor Module D-2712 Control
Out of stock
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Allen-Bradley
1769-L35E
Allen-Bradley 1769-L35E Ser A CompactLogix 5335E EtherNet/IP Processor Unit PLC
Out of stock
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Allen-Bradley
1756-OA16I/A
Allen-Bradley 1756-OA16I/A ControlLogix Isolated 16 Point 120/240VAC Output PLC
Out of stock
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Allen-Bradley
1772-LSP
Allen-Bradley 1772-LSP Mini-PLC-2/05 Processor with Power Supply 966200-01 120V
Out of stock
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Siemens
3RG9002-0DA00
Siemens 3RG9002-0DA00 AS-Interface ASi Module 4E/4A 4 Input 4 Output PNP 24VDC
Out of stock
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Siemens
3RG9002-0DA00
Siemens 3RG9002-0DA00 AS-Interface Module 4E/4A 24VDC IP20 F90 Slave
Out of stock
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Allen-Bradley
1764-LRP
Allen-Bradley 1764-LRP Ser C MicroLogix 1500 Processor Unit Rev F FRN 11 PLC
Out of stock
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Emerson
KJ1501X1-BA2
Emerson DeltaV KJ1501X1-BA2 System Power Supply Module AC DC 12P0677X062 Rev N
Out of stock
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Gould
Gould Modicon 884 Programmable Logic Controller
Gould Modicon 884 Programmable Logic Controller Module PLC Processor Industrial
Out of stock
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Mitsubishi
AJ65SBT-64AD
Mitsubishi AJ65SBT-64AD CC-Link A/D Converter Unit 4CH Analog Input 24VDC PLC
Out of stock
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Mitsubishi
AJ65SBT-62DA
Mitsubishi MELSEC AJ65SBT-62DA CC-Link D/A Converter Unit 2CH Analog Output PLC
Out of stock
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Mitsubishi
AJ65SBTB1-32D1
Mitsubishi AJ65SBTB1-32D1 MELSEC CC-Link Input Unit 32 Point 24VDC 5mA 1.2W
Out of stock
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Siemens
6ES7315-2AH14-0AB0
Siemens 6ES7315-2AH14-0AB0 SIMATIC S7-300 CPU 315-2DP Processor Module PLC DC24V
Out of stock
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Allen-Bradley
1794-ASB
Allen-Bradley 1794-ASB Ser C FLEX I/O Remote RIO Adapter Module 24VDC PLC Part
Out of stock
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Mitsubishi
AJ65SBT-62DA
Mitsubishi AJ65SBT-62DA CC-Link MELSEC D/A Converter Unit 10V 20mA Analog PLC
Out of stock
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Mitsubishi
AJ65SBTB1-32D1
Mitsubishi AJ65SBTB1-32D1 MELSEC CC-Link Input Unit 32 Point 24VDC 5mA Remote
Out of stock
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Mitsubishi
Q61P
Mitsubishi Q61P MELSEC-Q Power Supply Unit 130VA 100-240VAC In 5VDC 6A Out PLC
Out of stock
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Mitsubishi
AJ65SBTB1-32T1
Mitsubishi AJ65SBTB1-32T1 MELSEC CC-Link Output Unit 32 Point 12/24VDC 0.5A PLC
Out of stock
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Mitsubishi
A6TBXY36
Mitsubishi A6TBXY36 Terminal Board 36-Point Sink Input Output PLC Block MELSEC
Out of stock
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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 PLCs & Automation
- 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
- 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.
- 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.
- TroubleshootingAllen-Bradley PLC Battery Low: Which Battery and Safe SwapThe battery for each controller family, what the BAT or BATT LED and the T10:C10 minor fault mean, how long you have, replacing it safely, and whether the program survives.