I/O Controllers

 I/O Controllers
I/O Controllers are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many input/output controller manufacturers including Banner Engineering, Industruino, KUNBUS, Omron, Phoenix Contact, Schneider Electric & more.
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Please view our large selection of input/output controllers below.
Results: 272
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Type Number of Outputs Analog / Digital Output Type Mounting Style Size Number of Inputs Display Type Series Features
KUNBUS I/O Controllers RevPi RO 48In Stock
91Expected 9/7/2026
Min.: 1
Mult.: 1

Relay Module No Output DIN Rail Mount 111 mm x 23 mm x 96 mm RevPi RO Relay Output Module
Banner Engineering I/O Controllers LC25 LED Controller; WLF12 Pro Controller; Voltage: 12-30 V dc; IP65, IP67, IP68; Input: Pro Editor Discrete I/O; Output: WLF12; Female-Male 4-pin M12 QD 50In Stock
Min.: 1
Mult.: 1

Discrete Controllers WLF12 Pro
ControlByWeb I/O Controllers X-401 industrial dual relay and input module with browser-based setup, embedded logic builder, Modbus/MQTT/SNMP/REST support, 2 SPDT relays, and 2 optically isolated digital inputs. (standard Ethernet/DC-powered model). 15In Stock
Min.: 1
Mult.: 1

2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
ControlByWeb I/O Controllers X-420 instrumentation-grade data acquisition module with 4 analog inputs, 2 configurable digital I/O, frequency input, up to 16 temperature sensors, and browser-based monitoring. (PoE/Ethernet model). 5In Stock
Min.: 1
Mult.: 1

Digital 400 Series
ControlByWeb I/O Controllers X-420 instrumentation-grade data acquisition module with 4 analog inputs, 2 configurable digital I/O, frequency input, up to 16 temperature sensors, and browser-based monitoring. (standard Ethernet/DC-powered model). 5In Stock
Min.: 1
Mult.: 1

Digital 400 Series
KUNBUS I/O Controllers RevPi DIO 201In Stock
Min.: 1
Mult.: 1

14 Output Digital, PWM DIN Rail Mount 111 mm x 23 mm x 96 mm 14 Input RevPi DIO
Omron Automation and Safety I/O Controllers Mix I/O 16 in 16 out DC FUJ 2In Stock
Min.: 1
Mult.: 1

ControlByWeb I/O Controllers X-410 edge programmable controller with browser-based logic, 4 relays, 4 digital inputs, up to 16 temperature sensors, data logging, and Modbus/MQTT/open API support. (standard Ethernet/DC-powered model). 5In Stock
22Expected 8/19/2026
Min.: 1
Mult.: 1

4 Output Analog Relay DIN Rail Mount 4 Input 400 Series
KUNBUS I/O Controllers RevPi DO 30In Stock
Min.: 1
Mult.: 1

16 Output Digital, PWM DIN Rail Mount 111 mm x 23 mm x 96 mm RevPi DO
Banner Engineering I/O Controllers DXMR90 Industrial Controller; Power: 12-30 V dc; Female M12 (D-Code Ethernet); IP65, IP67; Ethernet IP, Modbus TCP, Modbus RTU Client and Profinet 4In Stock
Min.: 1
Mult.: 1
DXMR90-X1
Schneider Electric I/O Controllers M171 OPT. DISPLAY 14IO MODBUS 100-240V 30In Stock
Min.: 1
Mult.: 1
TM171
KUNBUS I/O Controllers RevPi DI 23In Stock
Min.: 1
Mult.: 1

DIN Rail Mount 111 mm x 23 mm x 96 mm 16 Input RevPi DI
KUNBUS I/O Controllers RevPi MIO 33In Stock
77Expected 11/20/2026
Min.: 1
Mult.: 1

12 Output Analog, Digital DIN Rail Mount 111 mm x 23 mm x 96 mm 12 Input RevPi MIO
Omron Automation and Safety I/O Controllers INPUT DC24V 16PT 7MA Clamp 3In Stock
Min.: 1
Mult.: 1
Omron Automation and Safety I/O Controllers In CJ1 DC24V 64 PT 4.1ma 2In Stock
Min.: 1
Mult.: 1

Expansion I/O Unit DIN Rail Mount 90 mm x 65 mm x 31 mm 64 Input

Omron Automation and Safety I/O Controllers Mix I/O 16 in 16 out DC MIL 3In Stock
Min.: 1
Mult.: 1

Omron Automation and Safety I/O Controllers NX 16Pt, 24 VDC NPN Input 53In Stock
Min.: 1
Mult.: 1

NXID
Schneider Electric I/O Controllers Zelio SR3 10 I-O 24VDC, relay out 8In Stock
Min.: 1
Mult.: 1
Modular Smart Relay 10 Output Digital Relay DIN Rail Mount 10 Input Clock SR3
Schneider Electric I/O Controllers M171 OPT. FLUSH MOUNTING 22 IOS, MODBUS 24In Stock
Min.: 1
Mult.: 1
TM171
Omron Automation and Safety I/O Controllers SEN CTR SPDT NP N NO/TMR 9In Stock
Min.: 1
Mult.: 1
No
Relay S3D2
Brainboxes I/O Controllers Neuron Industrial Edge Controller 8 x I/O & Serial Port 1In Stock
3Expected 9/3/2026
Min.: 1
Mult.: 1

8 Output Digital Open Drain DIN Rail Mount 120 mm x 99 mm x 45 mm 8 Input BB
DFRobot I/O Controllers Edge101 Industrial ESP32 IoT Programmable Controller (RS485, CAN, Ethernet) 2In Stock
20On Order
Min.: 1
Mult.: 1

Omron Automation and Safety I/O Controllers NX 8Pt, 24 VDC NPN Input 6In Stock
Min.: 1
Mult.: 1

NXID
Omron Automation and Safety I/O Controllers NX 8Pt, 24 VDC PNP Input 3In Stock
4Expected 8/18/2026
Min.: 1
Mult.: 1

NXID
Seeed Studio I/O Controllers Dragino LT-22222-L LoRa I/O Controller - Support EU868MHz Frequency 6In Stock
Min.: 1
Mult.: 1