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.

All Results (82)

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 Mfr.
Description Datasheet Availability Pricing (PLN) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Opto 22 I/O Modules G1 AC Digital Output, 24-280 VAC, 5 VDC logic, High Current
Datasheet
5In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 100 Ohm RTD Analog Input Isolated
Datasheet
5In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 24-280 VAC, 24 VDC Logic
Datasheet
55In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules DC Output, 5-60 VDC, 5 VDC Logic
Datasheet
110In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules Quad Pak 4-channel AC Output 12-280 VAC, 5 VDC Logic
Datasheet
54In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules DC Output, 5-200 VDC, 5 VDC Logic
Datasheet
48In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 4 to 20 mA Analog Input
Datasheet
6In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0 to +5 VDC Analog Input
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC or AC Digital Input, 10-32 VDC or 12-32 VAC, 15 VDC Logic
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC or AC Digital Input, 10-32 VDC or 12-32 VAC, 5 VDC Logic
Datasheet
44In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 DC or AC Digital Input, 4-16 VDC/VAC, 5 VDC Logic, High Speed
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules Quad Pak 4-channel AC/DC Input, 12-32 VAC/10-32 VDC, 5 VDC Logic
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 24-280 VAC, 15 VDC Logic
Datasheet
7In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 12-140 VAC, 24 VDC Logic
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Output, 24-280 VAC, 5 VDC Logic
Datasheet
3In Stock
25Expected 9/2/2026
Min.: 1
Mult.: 1

Opto 22 I/O Modules DC Output, 5-60 VDC, 24 VDC Logic
Datasheet
22In Stock
28Expected 8/26/2026
Min.: 1
Mult.: 1

Opto 22 I/O Modules Quad Pak 4-channel DC Output 5-60 VDC, 5 VDC Logic
Datasheet
5In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules Reed Relay Output, 5 VDC Logic
Datasheet
8In Stock
Min.: 1
Mult.: 1

Opto 22 Modules Accessories G1 4-channel Isolated Output-only Module Rack
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 4 to 20 mA Analog Input, Isolated
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0 to +10 VDC Analog Input
Datasheet
3In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 4-20 mA Analog Output
Datasheet
4In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 0-10 VDC Analog Output
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Input, 90-140 VAC, 24 VDC Logic
Datasheet
1In Stock
Min.: 1
Mult.: 1

Opto 22 I/O Modules G1 AC Digital Input, 90-140 VAC, 5 VDC Logic
Datasheet
33In Stock
Min.: 1
Mult.: 1