Siemens
6ES7321-1BH02-0AA0
Siemens 6ES7321-1BH02-0AA0 SIMATIC S7-300 SM321 Digital Input Module 16DI 24VDC
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$21.89
PLCs & Automation
2,300 listings · 2,210 in stock
2,300 PLCs & Automation listings in 6 categories, from makers like Siemens, Allen-Bradley, Mitsubishi. Surplus, used and new-surplus, every item photographed. Free shipping in the lower 48 and zero lead time on everything in stock.
Categories in PLCs & Automation
Conta-clip
4R791215B
Conta-Clip 4R791215B 1318.9 Analog Signal Separator Module 0-10V In/Out Isolator
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$43.89
Industrial part
630X10100
Dolev PS 630X10100 HASP Adapter DB25 Parallel Port Security Key Dongle Module
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$14.89
Mitsubishi
A1SX42
Mitsubishi A1SX42 Input Unit DC 12/24V 2/5mA MELSEC PLC I/O Module Industrial
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$17.89
Fanuc
A03B-0801-C113
Fanuc A03B-0801-C113 OD64B Output Module CNC PLC I/O Unit Industrial Automation
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$12.89
Asea
ASEA ABB 2668 184-545/4 DSQC 209 Circuit Board R
ASEA ABB 2668 184-545/4 DSQC 209 Circuit Board Robot Controller Industrial PCB
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$2,570.89
Siemens
6ES7153-1AA03-0XB0
Siemens 6ES7153-1AA03-0XB0 Simatic ET200 IM 153-1 DP Slave Interface Module PLC
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$39.89
Fanuc
A03B-0807-C162
Fanuc A03B-0807-C162 AOD32A1 32 Point DC Output Module PLC I/O Unit CNC Machine
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$64.89
Siemens
6ES7193-4CD20-0AA0
Siemens 6ES7193-4CD20-0AA0 TM-P15S23-A0 Simatic ET200S Power Terminal Module PLC
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$12.89
Industrial part
SB72EX-100CR
Real Time Automation RTA 435NBA ASCII ControlLogix Ethernet Gateway SB72EX-100CR
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$398.89
Siemens
6ES7133-0BN11-0XB0
Siemens 6ES7133-0BN11-0XB0 Simatic ET200B Electronic Block Digital I/O 24VDC PLC
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$1,363.89
Siemens
6ES7131-1BL01-0XB0
Siemens 6ES7131-1BL01-0XB0 Simatic S7 ET200L Digital Input Module 32DI 24VDC PLC
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$196.89
Opto 22
G4OAC5A
Opto 22 G4OAC5A AC Output Module 240VAC 3A 5V Logic G4 Solid State I/O Relay PLC
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$15.89
Allen-Bradley
1756-DNB
Allen-Bradley 1756-DNB Series B DeviceNet Communication Module ControlLogix PLC
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$22.89
Allen-Bradley
1746-N2
Allen-Bradley 1746-N2 Series B SLC 500 Card Slot Filler Blank Cover PLC LOT OF 4
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$15.89 / lot of 4
GE Fanuc
IC300HSC601B
GE Fanuc IC300HSC601B SmartStack High Speed Counter Module OCS 8 In 8 Out 24VDC
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$98.89
Fanuc
YR19795
Fanuc Robotics YR19795 A05B-2550-J100 Peripheral Cable Connector EXC20DCMD Robot
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$14.89
Shindengen
EY05010US
Shindengen EY05010US Switching Power Supply 5VDC 10A 100-120VAC Industrial PLC
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$80.89
Fanuc
A03B-0801-C123
Fanuc A03B-0801-C123 ID64C Input Module I/O Unit PLC CNC Automation Industrial
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$35.89
Mitsubishi
FX-1GM
Mitsubishi MELSEC FX-1GM PLC Programmable Controller Positioning Unit Industrial
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$93.89
Industrial part
Enertronic DAC 1 DC Power Supply Module Industri
Enertronic DAC 1 DC Power Supply Module Industrial Electronic Energy Converter
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$133.89
Mitsubishi
FX2NC-64MT-D/UL
Mitsubishi FX2NC-64MT-D/UL Programmable Logic Controller PLC 24VDC Transistor
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$132.89
Opto 22
G4IDC5D
OPTO 22 G4IDC5D Digital DC Input Module 2.5-28VDC 5 Volt Logic G4 Series I/O
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$9.89
Hitachi
LWO100
Hitachi LWO100 LWO-100 Digital Output Module PLC DC 12-24V with Wiring Harness
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$31.89
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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.