Fanuc
A03B-0801-C113
Fanuc A03B-0801-C113 OD64B Output Module CNC PLC I/O Unit Industrial Automation
Only 1 left
Free shippingShips next business day
$12.89
PLC I/O Modules
581 listings · 552 in stock
581 PLC I/O modules listings from the brands you use, each one photographed. Free shipping in the lower 48.
Fanuc
A03B-0807-C162
Fanuc A03B-0807-C162 AOD32A1 32 Point DC Output Module PLC I/O Unit CNC Machine
Only 2 left
Free shippingShips next business day
$64.89
Siemens
6ES7131-1BL01-0XB0
Siemens 6ES7131-1BL01-0XB0 Simatic S7 ET200L Digital Input Module 32DI 24VDC PLC
Only 1 left
Free shippingShips next business day
$196.89
Opto 22
G4OAC5A
Opto 22 G4OAC5A AC Output Module 240VAC 3A 5V Logic G4 Solid State I/O Relay PLC
Only 1 left
Free shippingShips next business day
$15.89
GE Fanuc
IC300HSC601B
GE Fanuc IC300HSC601B SmartStack High Speed Counter Module OCS 8 In 8 Out 24VDC
Only 3 left
Free shippingShips next business day
$98.89
Fanuc
A03B-0801-C123
Fanuc A03B-0801-C123 ID64C Input Module I/O Unit PLC CNC Automation Industrial
Only 1 left
Free shippingShips next business day
$35.89
Opto 22
G4IDC5D
OPTO 22 G4IDC5D Digital DC Input Module 2.5-28VDC 5 Volt Logic G4 Series I/O
Only 2 left
Free shippingShips next business day
$9.89
Hitachi
LWO100
Hitachi LWO100 LWO-100 Digital Output Module PLC DC 12-24V with Wiring Harness
Only 5 left
Free shippingShips next business day
$31.89
Reliance Electric
57402-C
Reliance Electric 57402-C 0-57402-C AC/DC Low Digital Output Module 115V PLC DCS
Only 1 left
Free shippingShips next business day
$409.89
Reliance Electric
0-57405-C
Reliance Electric 0-57405-C Drive Analog I/O Module Digital Control System PLC
Only 1 left
Free shippingShips next business day
$479.89
Reliance Electric
0-57400-A
Reliance Electric 0-57400-A 115V AC/DC Input Module Digital Control System PLC
Only 1 left
Free shippingShips next business day
$813.89
Reliance Electric
0-57401-C
Reliance Electric 0-57401-C 57401 Drive Digital I/O Module Industrial PLC Card
Only 1 left
Free shippingShips next business day
$62.89
Siemens
6ES7421-1BL01-0AA0
Siemens 6ES7421-1BL01-0AA0 Simatic S7-400 SM421 Digital Input Module 32x24VDC
Only 1 left
Free shippingShips next business day
$30.89
HBM
EM201K2
HBM Clip EM201K2 Output Stage Module 2 Channel Measuring Amplifier 15-30V DC
In stock
Free shippingShips next business day
$570.89
Siemens
6ES7322-1BH01-0AA0
Siemens 6ES7322-1BH01-0AA0 Simatic S7-300 SM322 16 DO 24VDC 0.5A Output Module
Only 2 left
Free shippingShips next business day
$9.89
Siemens
T001
Siemens ION BinaryInput T001 Binary Input Module 000BA3-02-0000070D Automation
Only 1 left
Free shippingShips next business day
$998.89
Siemens
6ES7322-1HF01-0AA0
Siemens 6ES7322-1HF01-0AA0 Simatic S7-300 SM322 8 Relay Digital Output Module
In stock
Free shippingShips next business day
$11.89
Allen-Bradley
1746-OB16
Allen-Bradley 1746-OB16 SLC 500 Output Module Ser C 16-Point DC Source 10-50V
In stock
Free shippingShips next business day
$35.89
Fanuc
AID32F2
Fanuc AID32F2 A03B-0807-C109 32 Point DC Digital Input Module I/O Unit CNC PLC
In stock
Free shippingShips next business day
$9.89
Fanuc
AOD32D2
Fanuc AOD32D2 A03B-0807-C167 32 Point DC Output Module I/O Unit 12/24V CNC PLC
Only 2 left
Free shippingShips next business day
$9.89
Schneider Electric
140ACO02000
Schneider Modicon 140ACO02000 Quantum Analog Output Module 4 Channel Current PLC
Only 1 left
Free shippingShips next business day
$59.89
AEG
AS-BDAP-210
AEG Modicon AS-BDAP-210 DAP 210 TSX Compact 8PT Output Module 24-230VAC PLC
Only 1 left
Free shippingShips next business day
$9.89
AEG
AS-BDEP-218
AEG Schneider AS-BDEP-218 TSX A120 Discrete Input Module 16PT 115VAC Modicon PLC
Only 3 left
Free shippingShips next business day
$9.89
Industrial part
TKS-DIP-94002B
Motor USA TKS-DIP-94002B DDC-2VSX Digital I/O Module PLC Controller Industrial
Only 5 left
Free shippingShips next business day
$53.89
Get a quote on PLC I/O Modules
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 – we reply within 1 hour during business hours (Mon–Fri 9–3:30 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.