Digital I/O Controllers

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Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Type Number of Outputs Analogue / Digital Output Type Mounting Style Size Number of Inputs Display Type Series
ControlByWeb I/O Controllers WebSwitch Plus remote power switch with 2 relay-controlled power outlets, 2 digital inputs, up to 16 temperature sensors, automatic reboot, logging, and browser-based control. (with temperature sensor; North American model).
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
8In Stock
300,99 €
Min.: 1
Mult.: 1
2 Output Digital Relay Panel Mount 2 Input WebSwitch
ControlByWeb I/O Controllers WebRelay-Quad remote relay controller with 4 web-controlled relays, browser-based logic builder, open API, Modbus TCP/IP and MQTT support. (Wi-Fi model). 7In Stock
1On Order
206,39 €
Min.: 1
Mult.: 1
4 Output Digital Relay DIN Rail Mount 4 Input 400 Series
ControlByWeb I/O Controllers WebSwitch Plus remote power switch with 2 relay-controlled power outlets, 2 digital inputs, up to 16 temperature sensors, automatic reboot, logging, and browser-based control. (with temperature sensor; international model).
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
283,79 €
Min.: 1
Mult.: 1
2 Output Digital Relay Panel Mount 2 Input WebSwitch
ControlByWeb I/O Controllers WebRelay-10 Plus industrial remote relay controller with 10 independent Form-C relays, 2 digital inputs, up to 16 temperature sensors, event scheduling, logging, and browser-based control. (standard Ethernet/DC-powered model).
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
6In Stock
490,19 €
Min.: 1
Mult.: 1
10 Output Digital Relay DIN Rail Mount 232 mm x 126 mm x 62 mm 2 Input WebRelay Series
Schneider Electric I/O Controllers Zelio SR3 26 I-O 24VDC transistor out
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
456,51 €
Min.: 1
Mult.: 1
Modular Smart Relay 26 Output Digital Relay DIN Rail Mount 26 Input Clock SR3
Omron Automation and Safety I/O Controllers 16 DC In, 16 NPN Out MIL Cntr
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
528,10 €
478,90 €
Min.: 1
Mult.: 1
Digital Mixed I/O Unit 16 Output Digital NPN Panel Mount 30 mm x 100 mm x 71 mm 16 Input None NX
Omron Automation and Safety I/O Controllers NX DC input M3 Screw term 30mm
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
7In Stock
371,59 €
336,16 €
Min.: 1
Mult.: 1
DC Input Unit Digital Panel Mount 104.5 mm x 95 mm x 30 mm 16 Input None
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. (PoE/Ethernet model). 1In Stock
10Expected 10/16/2026
283,79 €
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
Schneider Electric I/O Controllers Zelio SR3 10I-O 100- 240VAC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
4In Stock
287,28 €
Min.: 1
Mult.: 1
Compact Smart Relay 4 Output Digital Relay Panel Mount 6 Input LCD Backlight SR3
Omron Automation and Safety I/O Controllers 1CH Pulse Output NPN
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
1In Stock
692,00 €
555,69 €
Min.: 1
Mult.: 1
Pulse Output Unit 3 Output Digital NPN Open Collector Panel Mount 12 mm x 100 mm x 71 mm 2 Input None NX
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. (cellular/Wi-Fi model; with a 12-month, 10 MB/mo cellular data plan 4In Stock
417,94 €
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
ControlByWeb I/O Controllers WebRelay single relay and input module with browser-based interface, open REST API, 1 relay, 1 digital input, data logging, and 400-Series firmware capabilities. (Wi-Fi model). 9In Stock
189,19 €
Min.: 1
Mult.: 1
1 Output Digital Relay DIN Rail Mount 1 Input 400 Series
ControlByWeb I/O Controllers WebRelay single relay and input module with browser-based interface, open REST API, 1 relay, 1 digital input, data logging, and 400-Series firmware capabilities. (cellular/Wi-Fi model; with a 12-month, 10 MB/mo cellular data plan included). 5In Stock
340,54 €
Min.: 1
Mult.: 1
1 Output Digital Relay DIN Rail Mount 1 Input 400 Series
ControlByWeb I/O Controllers WebRelay-Quad remote relay controller with 4 web-controlled relays, browser-based logic builder, open API, Modbus TCP/IP and MQTT support. (cellular/Wi-Fi model; with a 12-month, 10 MB/mo cellular data plan included). 5In Stock
357,74 €
Min.: 1
Mult.: 1
4 Output Digital Relay DIN Rail Mount 4 Input 400 Series
Brainboxes I/O Controllers Neuron Industrial Edge Controller 8 x I/O & Serial Port 4In Stock
535,03 €
Min.: 1
Mult.: 1
8 Output Digital Open Drain DIN Rail Mount 120 mm x 99 mm x 45 mm 8 Input BB
Schneider Electric I/O Controllers Zelio SR3 10 I-O 24VDC, relay out
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
6In Stock
277,44 €
Min.: 1
Mult.: 1
Modular Smart Relay 10 Output Digital Relay DIN Rail Mount 10 Input Clock SR3
Schneider Electric I/O Controllers ZELIO SR3 26 I-O 24VAC
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
3In Stock
468,30 €
Min.: 1
Mult.: 1
Modular Smart Relay 24 Output Digital Relay DIN Rail Mount 24 Input Clock SR3
DFRobot I/O Controllers EDGE101 Industrial ESP32 IoT Programmable Controller with 4G CAT1 (RS485, CAN, Ethernet)
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK. This product will require additional documentation to export from the United States.
10Expected 12/14/2026
60,37 €
Min.: 1
Mult.: 1
IoT Programmable Controller Digital Digital 136.7 mm x 76 mm x 31 mm
Schneider Electric I/O Controllers Zelio SR3 10 I-O 24VDC transistor out
Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK
1In Stock
262,74 €
Min.: 1
Mult.: 1
Modular Smart Relay 10 Output Digital Relay DIN Rail Mount 10 Input Clock SR3
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).
23Expected 10/14/2026
257,99 €
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
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. (Wi-Fi model). 9In Stock
2Expected 10/23/2026
275,19 €
Min.: 1
Mult.: 1
2 Output Digital Relay DIN Rail Mount 2 Input 400 Series
Crouzet I/O Controllers M3 NB12R 8 4 24VDC Non-Stocked Lead-Time 21 Weeks
205,05 €
Min.: 1
Mult.: 1
4 Output Digital Relay DIN Rail Mount 107.6 mm x 71.2 mm x 45.5 mm 8 None M3 Smart
Crouzet I/O Controllers M3 NB12R 8 4 12VDC Non-Stocked Lead-Time 21 Weeks
217,62 €
Min.: 1
Mult.: 1
4 Output Digital Relay DIN Rail Mount 107.6 mm x 71.2 mm x 45.5 mm 8 None M3 Smart
ADLINK Technology ECAT-TRG4
ADLINK Technology I/O Controllers ECAT-TRG4 4ch EtherCAT High Speed Triger Model Non-Stocked Lead-Time 6 Weeks
653,12 €
616,49 €
Min.: 1
Mult.: 1
4 Output Digital 165.3 mm x 74.9 mm x 52.7 mm 4 Input
ADLINK Technology ADI-SIOG-FPGA 12V-2MB
ADLINK Technology I/O Controllers ADi-SIOG-FPGA/12V-2MB- 12V PWR_IN-SA metal cover- Cyclone IV FPGA EP4CGX30CF23C8N- PIC18F46J11 Logging Processor- 8MB SRAM- 32x DIO Non-Stocked
380,64 €
341,14 €
331,89 €
Min.: 1
Mult.: 1
FPGA Controller 32 Output Digital Digital 190 mm x 170 mm 32 Input