Allen-Bradley FLEX I/O Parts
I/O • 86 parts available
FLEX I/O distributes I/O on the machine. Browse 1794 adapters and modules for maintenance and expansion.
Best-selling FLEX I/O parts
All best-selling parts →The FLEX I/O part numbers NJT Automation sells most often, ranked by lifetime units sold.
| Part Number | Description | Price | |
|---|---|---|---|
| 1794-TB32 | Allen Bradley 1794-TB32 /A Flex IO Terminal Base 32-Pt 1794TB32 - Sealed Surplus · New | $149.99 USD | |
| 1794-IE8 | Allen Bradley 1794-IE8 Flex I/O 8 Channel Analog Input Module 1794IE8 24VDC · Used | $249.99 USD | |
| 1794-IB16XOB16P | Allen Bradley 1794-IB16XOB16P Sink Input/Source Output 24VDC 1794IB16XOB16P · Used | $139.99 USD | |
| 1794-ASB | Allen Bradley 1794-ASB /E Power Supply I/O Adapter Module 1794ASB 24VDC 450mA · Used | $199.99 USD | |
| 1794-ACN15 | Distributed I/O Adapter Module ControlNetT Communication | — | |
| 1794-ACNR15 | Allen Bradley 1794-ACNR15 REDUNDANT MEDIA ADAPTER FOR CONTROLNET, replace 1794-ACNR | — | |
| 1794-AENT | Distributed I/O Adapter Module EtherNet/IP Communication | — | |
| 1794-AENTR | Flex I/o Redundant Adapter Ser A Ethernet And Communication Module | — | |
| 1794-APBDPV1 | Distributed I/O Adapter Module Profibus DP Communication | — | |
| 1794-BC04-M03-M | EtherNet/IP Communication Module | — | |
| 1794-FLA | Allen Bradley 1794-FLA Ser A FlexLogix I/O Adapter Rev C02 | — | |
| 1794-IA16 | 1794-IA16 FLEX I/O AC Input Module, 120V AC, 16 Inputs | — | |
| 1794-IB10X0B6 | Allen-Bradley 1794-IB10X0B6 I/O Module Ser. A Rev. A01 | — | |
| 1794-IB16 | Allen-Bradley 1794-IB16 Series A Flex 16 Point Digital Input Module | — | |
| 1794-IB32 | Allen Bradley 1794-IB32 /A Input Module Flex | — | |
| 1794-IE12 | 1794IE12 Flex I/O Analog Input Module, 12 Single-Ended Inputs | — | |
| 1794-IE4X0E2 | Allen Bradley 1794-IE4X0E2 | — | |
| 1794-IE4XOE2 | Flex I/O Analog Combination Module, 4 Inputs/2 Single-Ended Outputs, 12 Bit | — | |
| 1794-IE8H | 1794IE8H Flex I/O HART Analog Input Module, 8 Single-Ended Inputs | — | |
| 1794-IE8HK | Redundant Power Supply | — | |
| 1794-IE8HKX | Digital Input Module | — | |
| 1794-IE8HKXK | Digital Output Module | — | |
| 1794-IE8HKXKK | Servo Drive Module | — | |
| 1794-IE8XOE4 | Flex I/O Analog Combination Module, 8 Inputs / 4 Single-Ended Outputs, 16-Bit | — | |
| 1794-IR8 | Allen Bradley 1794-IR8 / 1794IR8 Ser A Flex 8 Point RTD Input Module | — | |
| 1794-IRT8XT | Distributed I/O Analog Module Thermocouple RTD Input Module | — | |
| 1794-IT8 | 1794-IT8 Flex I/O Analog Input Module Thermocouple/mV 8 Channel | — | |
| 1794-OA16 | 1794-OA16 Flex I/O Output Module, 85-132 VAC, 16 Outputs | — | |
| 1794-OB16 | Flex I/O Output Module, 24VDC, 16 Source Outputs | — | |
| 1794-OB16P | 1794-OB16P Flex I/O 16 Source Outputs Module, 24V DC, Protected | — | |
| 1794-OB16PX | Analog Input Module | — | |
| 1794-OB8P | Analog Input Module | — | |
| 1794-OE12 | Flex I/O Analog Output Module 24V DC, 12 Single-Ended Non-Isolated Outputs, 16-Bit | — | |
| 1794-OE8H | 1794OE8H Flex I/O HART Analog Output Module, 8 Outputs, 13-Bit | — | |
| 1794-OW8 | Flex I/O Output Module 8 Isolated N.O. Relay Contacts | — | |
| 1794-TB2 | Distributed I/O Terminal Bases 16 I/O; 18 common; 2 +V | — | |
| 1794-TB3 | 1794-TB3 Flex I/O Terminal Base unit, 3-Wire screw, Cage Clamp | — | |
| 1794-TB3G | Distributed I/O Terminal Bases 36 I/O; 2 common; 2 +V; 10 Chassis Ground | — | |
| 1794-TB3L | Analog Input Module | — | |
| 1794-TB3S | Distributed I/O Terminal Bases 16 I/O; 18 common; 18 +V | — | |
| 1794-TB3X | Analog Input Module | — | |
| 1794-TB3X0 | Digital Output Module | — | |
| 1794-TB3X0S | Digital Output Module | — | |
| 1794-TB3X0S0 | Terminal Base Module | — | |
| 1794-TB3X0S0K | Terminal Base Module | — | |
| 1794-TB3X0S0KK | Terminal Base Module | — | |
| 1794-TB3X0ST | Terminal Base Module | — | |
| 1794-TB3X0STK | Terminal Base Module | — | |
| 1794-TB3X0STKK | Terminal Base Module | — | |
| 1794-TB3XS | Terminal Base Module | — |
FLEX I/O buying & repair guidance
When ordering or requesting a quote, include the full catalog string from the unit's nameplate. Series and revision letters affect fit, firmware, and application compatibility.
Common FLEX I/O failures
- Adapter network faults on EtherNet/IP, ControlNet, or DeviceNet drops
- Terminal base damage and corroded flexbus connectors
- Module channel failures from field wiring shorts
- 24V power distribution faults across the rail
Series & revision differences
Network adapter type (EtherNet/IP, ControlNet, DeviceNet) must match the existing drop.
Repair or replace?
Swap failed modules; replace adapters when migrating network types.
Still have questions?
Find answers to shipping, warranties, repairs, and more.
Frequently Asked Questions
Do you stock Allen-Bradley FLEX I/O parts?
Yes. NJT Automation maintains surplus and refurbished FLEX I/O inventory in Milwaukee, with additional sourcing when a specific catalog number is not on the shelf. In-stock items above can ship the same business day when ordered by the cutoff.
Can you repair FLEX I/O I/O hardware?
In most cases, yes. We offer mail-in repair with testing and a 1-year warranty, with 2- and 3-year extended options available. Send photos and the catalog/series from the nameplate for a repair quote, often faster than waiting on obsolete new stock.
What if my exact series letter is not listed?
Request a quote with the full catalog string and series from the nameplate. We can confirm whether a nearby series is compatible or source the exact revision you need.
How fast can FLEX I/O parts ship?
In-stock Milwaukee inventory typically ships the same business day when ordered before the cutoff, with ground and expedited options. Local pickup can be arranged. Contact us to schedule.