G1 I/O Family

Opto 22 G1 I/O Family features digital and analog I/O modules that use a red-black-yellow-white color-coding scheme. The G1 product lineup includes not only I/O modules but also sensors, controllers, switches, and cables. The digital I/O modules with plug-in racks are ideal for microprocessor-based control. The optically isolated analog I/O modules with intelligent racks are designed for computer-based automation. The Opto 22 G1 products are guaranteed for life.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Opto 22 I/O Modules Quad Pak 4-channel AC/DC Input 90-140 VAC/VDC, 5 VDC Logic
Datasheet
7In Stock
Min.: 1
Mult.: 1

Opto 22 Temperature Sensors - Industrial Temperature Probe For ICTD Analog Input Modules
Datasheet
4In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC or AC Digital Input, 10-32 VDC or 12-32 VAC, 24 VDC Logic
Datasheet
41In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC Digital Input, 2.5-28 VDC, 5 VDC Logic
Datasheet
16In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC or AC Digital Input, 35-60 VDC/VAC, 5 VDC Logic
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 12-140 VAC, 15 VDC Logic
Datasheet
17In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output 24-280 VAC, 24 VDC Logic, High Current
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 12-140 VAC, 5 VDC Logic
Datasheet
18In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules DC Output, 5-60 VDC, 15 VDC Logic
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules Flat Pak output module, 5-60 VDC
Datasheet
6In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 16-channel I/O Module Rack
Datasheet
4In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 16-channel Rack with Header Connector
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories Quad Pak 6-module Position Rack With Header Connector
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories Quad Pak 8-module Rack with Header Connector for G4EB2 or B4 Brain
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 4-channel I/O Module Rack with 2 Barrier Strips
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 4-channel Rack with Header Connector
Datasheet
5In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 8-channel I/O Module Rack
Datasheet
5In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 8-channel Rack with Header Connector
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 100 Ohm RTD Analog Input Isolated
Datasheet
5Expected 6/23/2026
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 24-280 VAC, 15 VDC Logic
Datasheet
6On Order
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 4-channel Isolated Output-only Module Rack
Datasheet
2On Order
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0 to 5 Amp Analog Input, Isolated
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 Type J Thermocouple Input, Isolated
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0 to +5 VDC Analog Input, High Speed
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0 to +5 VDC Analog Input, Isolated
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1