Reliance Electric
0-57400-B
Reliance Electric 0-57400-B 115V AC/DC Input Module PLC DCS AutoMax Industrial
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
Sharp
ZW-100CF1
Sharp ZW-100CF1 CF Loader CompactFlash PLC Programming Controller Industrial OEM
Out of stock
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Fanuc
A05B-2452-C471
Fanuc A05B-2452-C471 Emergency Stop E-Stop Unit Robot Controller Module
Out of stock
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Mitsubishi
F2-60EP
Mitsubishi Melsec F2-60EP PLC Programmable Controller Industrial Automation Unit
Out of stock
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Telemecanique
TSX-AXT-200
Telemecanique TSX-AXT-200 TSXAXT200 Counter Module PLC Schneider Automation
Out of stock
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ABB
NDPI-04
ABB NDPI-04 57619741 LED Adapter Connection Board PLC ACS600 Series Module
Out of stock
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Siemens
6GK1105-2AA10
Siemens 6GK1105-2AA10 Simatic Net OSM ITP62 Industrial Ethernet Switch Module
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Siemens
6ES7 378-2BA00-0AC0
Siemens 6ES7 378-2BA00-0AC0 W/ 6GK1140-1AA00 PLC Module Bundle S7-300 Industrial
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Linksys
LNE100TX
Linksys LNE100TX EtherFast 10/100 PCI Ethernet Network Adapter Card Ver 5.1
Out of stock
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General Electric
PWB68A999145
GE Speedtronics PWB68A999145 Input Module Receptacle Card Terminal Board
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ABB
498A026G01
ABB Asea Brown Boveri 498A026G01 PLC Processor Controller Module Industrial
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Industrial part
A2002
Contraves A2002 FAA2002 CSR Industrial Automation Controller Module Drive OEM
Out of stock
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Moore
16193-1-4
Moore 16193-1-4 APACS+ IDM Input Discrete Module Marshalled Termination 115VAC
Out of stock
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Schleicher
31315633
Schleicher 31315633 Master CPU UCN 52 CAN CNC Controller Module PLC Industrial
Out of stock
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Industrial part
1781-IB5S
WRC 1781-IB5S PLC Digital Input Module 3-32 Vdc 50mA Lot of 10 Industrial OEM
Out of stock
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SST
SST S-S Technologies X-Link Protocol Converter I
SST S-S Technologies X-Link Protocol Converter Industrial Communication Card
Out of stock
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Schneider Electric
Schneider Telemecanique Advantys STB ACO 0220 An
Schneider Telemecanique Advantys STB ACO 0220 Analog Output Module 1 Per Order
Out of stock
Spectrum Controls
8000 RDI-332
Spectrum Controls 8000 RDI-332 Sy/Max Digital Input Module 32 Channel 120VAC/DC
Out of stock
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Allen-Bradley
1771-ISC
Allen Bradley 1771-ISC DC 5V Multiplexer Input Module PLC-5 Series A Industrial
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Square D
8030 HIM-151
Square D 8030 HIM-151 Series B Symax TTL 8 Function Input Module 5VDC Industrial
Out of stock
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Honeywell
053596-01
Honeywell Measurex 053596-01 Video Memory Vision Module PLC Board Industrial OEM
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Foxboro
3A2-I2D
Foxboro 3A2-I2D Style A Converter Board PLC Processor Control Module Industrial
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.