Siemens
6ES7307-1BA00-0AA0
Siemens 6ES7307-1BA00-0AA0 SIMATIC S7-300 PS307 Power Supply 24VDC 2A 120/230VAC
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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
Siemens
6ES7153-1AA03-0XB0
Siemens 6ES7153-1AA03-0XB0 Simatic ET200 IM 153-1 DP Slave Interface Module PLC
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Reliance Electric
57C404B
Reliance Electric 57C404B 57404-2F AutoMax Network Communications Module PLC
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Siemens
6ES7322-1BH01-0AA0
Siemens 6ES7322-1BH01-0AA0 Simatic S7-300 SM322 16 DO 24VDC 0.5A Output Module
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Reliance Electric
45C40
Reliance Electric AutoMate 45C40 Dual 115VAC/DC Input Module 802811-R Control
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Allen-Bradley
1756-IR6I
Allen-Bradley 1756-IR6I ControlLogix Analog Isolated RTD Input Module 6 Channel
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Allen-Bradley
1756-CNB/D
Allen-Bradley 1756-CNB/D ControlLogix ControlNet Communication Bridge Module
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HP
NC522SFP
HP NC522SFP 468349-001 Dual Port 10GbE SFP+ PCIe x8 Server Network Adapter Card
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IDEC
PS5R-D24
Idec PS5R-D24 DIN Rail Power Supply 24VDC 2.1A 50W 100-240VAC Industrial PLC
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Fanuc
A03B-0807-C104
Fanuc A03B-0807-C104 AID16D Input Module 16PT 24VDC I/O Model A Industrial PLC
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Allen-Bradley
1746-ITB16
Allen-Bradley 1746-ITB16 Ser C SLC 500 Input Module Industrial Automation PLC
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Allen-Bradley
1746-OBP16
Allen-Bradley 1746-OBP16 SLC 500 DC Output Module 16-Point Series C 24VDC PLC
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Yaskawa
GL120
Yaskawa Memocon GL120 JRMSI-120XBP01200 MB12 12-Slot PLC Rack Mount Base Unit
Out of stock
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Yaskawa
GL120
Yaskawa Memocon GL120 JAMSC-120DDO35410 Output Module 32-Point 24VDC Sink PLC
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Allen-Bradley
1785-L11B/E
Allen-Bradley 1785-L11B/E PLC-5/11 Processor Module Series E Rev E01 2.3A 5VDC
Out of stock
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Allen-Bradley
1746-OBP16
Allen-Bradley 1746-OBP16 Ser C SLC 500 16-Point 24VDC Sourcing Output Module PLC
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Allen-Bradley
1769-IT6
Allen-Bradley 1769-IT6 Ser A Compact I/O 6-Ch Thermocouple mV Input Module PLC
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Allen-Bradley
1746-IO8
Allen-Bradley 1746-IO8 SLC 500 Combination I/O Module Series A 4 In 4 Relay Out
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Allen-Bradley
1747-L514
Allen-Bradley 1747-L514 SLC 500 SLC 5/01 Processor Unit CPU Ser B FRN 6 Module
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Siemens
6ES7468-1BB50-0AA0
Siemens 6ES7468-1BB50-0AA0 Simatic S7-400 IM 460 461 K-Bus Cable 1.5m PLC Link
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Reliance Electric
45C40
Reliance Electric 45C40 AutoMate Dual Input Module 115V AC/DC PLC Automation
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Sencon
801-TS
Sencon CIM 801-TS CIM800 Communications Interface Module RS-422 RS-232 Serial
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Allen-Bradley
1746-OB16
Allen-Bradley 1746-OB16 SLC 500 Output Module Ser D 16-Point 10-50VDC Source PLC
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Reliance Electric
57C331
Reliance Electric 57C331 AutoMax 16 Slot Rack Chassis 120VAC 8/7A PLC Control
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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.